Denver Health Radiologists

All Denver Health radiologists are board-certified by the American Board of Radiology and all have completed fellowships and other advanced training. We offer subspecialist reads that are informed by the latest medical research. Each radiologist completes extensive medical education annually. Our radiologists participate in educating the next generation of medical providers by teaching University of Colorado School of Medicine students, residents and fellows. 

Over the years, multiple Denver Health radiologists have been named “Top Docs” by 5280 Magazine, including Denver Health physicians specializing in Neuroradiology, Pediatric Radiology, Nuclear Medicine and Interventional Radiology. 

We follow industry best practices, including the use of standardized reports and reports with hyperlinks to key images. Our Picture Archiving and Communications System (PACS) is state-of-the-art, having recently been updated in 2019.

The ultimate goal of Denver Health radiologists is to provide imaging services reflecting the highest standards of clinical excellence delivered in a compassionate, caring and respectful environment.

 

Meet Our Team:


Director

David M. Naeger, M.D., 
Director of Radiology, Director of Radiology 
Professor and Vice Chair, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Cardiac and Thoracic Imaging, Nuclear Medicine

David Naeger MD

Dr. Naeger serves as the Director of Radiology at Denver Health, with oversight of the department’s clinical, research and educational programs. In his role as one of the institution’s Departmental Directors, he serves as part of the senior leadership team of the health system. Dr. Naeger also serves as a Professor and Vice Chair in the Department of Radiology at the University of Colorado School of Medicine
 
Dr. Naeger earned his medical degree at Duke University School of Medicine, where he graduated AΩA (Alpha Omega Alpha), the most widely recognized honor society in medicine. After medical school, he moved to the University of California-San Francisco (UCSF) to complete his residency in Diagnostic Radiology, during which he served as a chief resident and was awarded the prestigious Elmer Ng Award. While at UCSF, Dr. Naeger completed a research fellowship and remained after his residency to complete clinical fellowships in Cardiac & Pulmonary Imaging and in Nuclear Medicine. After his fellowships, he was appointed to the faculty at UCSF, ultimately serving in a Departmental Associate Chair role, with a focus on Education, and the co-director of the Henry I. Goldberg Center for Advanced Imaging Education.  In 2019, Dr. Naeger joined Denver Health as the Director of Radiology, and Professor and Vice Chair in the University of Colorado Department of Radiology
 
At Denver Health, Dr. Naeger oversees a team of 141 FTE, including radiologists, technologists, RNs, transporters, clerks, and administrative staff. Denver Health performs 280,000 imaging examinations per year at multiple in-patient and out-patient sites, including a recently opened state-of-the-art outpatient imaging center. Denver Health Radiology has undergone tremendous growth, overall and in targeted service lines, with an overall expansion of the complexity and variety of services offered. Denver Health radiology sponsors its own fellowship and is the largest affiliate rotation site for University of Colorado Radiology residents.  

Dr. Naeger has consistently been honored for his excellence as a leader, researcher, and educator in radiology. Dr. Naeger has served in numerous leadership roles at Denver Health, at the University of Colorado, and at the University of California, San Francisco. Dr. Naeger is a member of 11 medical/radiology societies, and holds 19 leadership roles including a Board of Directors membership and numerous committee chair roles; he also serves/served on executive committees and program planning committees. Dr. Naeger has served on grant review committees/study sections, including overseeing an educational granting program at the University of California, San Francisco. He currently is an associate/assistant/deputy editor for three journals, including top journals in the field, and is a reviewer for 9 additional journals. Dr. Naeger has served as a course director extensively throughout his career

Dr. Naeger has given over one hundred invited international, national, and regional talks, including speaking in Taiwan, Hungary, the Netherlands, and Canada. Many of Dr. Naeger’s talks were Grand Rounds given throughout the US.

Dr. Naeger holds a Fellowship of the Association of University Radiologist (FAUR) and is slated to join the Fellowship of the American College of Radiology (FACR) at the 2024 convocation.  Dr. Naeger has won the prestigious UCSF Academic Senate Distinction in Teaching Award, which is given to only two institution UCSF faculty members per year. Dr. Naeger has been awarded the Society of Thoracic Radiology Presidents’ Award, and has been inducted into the Academy of Medical Educators at both UCSF and the University of Colorado.

Dr. Naeger has authors 94 peer reviewed manuscripts, 13 book chapters, and 65 abstracts. Dr. Naeger’s research and interests focus on novel curricular programs that enhance the education of medical students, residents, fellows and practicing radiologists. He has also conducted research on clinical considerations in the daily interpretation of radiologic images, with an emphasis on the imaging and diagnosis of lung cancer, lung biopsies, chest imaging and PET/CT imaging.

In his leadership service at Denver Health, the University of Colorado, and at UCSF, Dr. Naeger has a notable record of promoting diversity and inclusion policies and programming. Specifically, via his Department’s Diversity and Inclusion Committee, he has helped to improve access to mentored clinical and research experiences for historically underrepresented groups in radiology. As Associate Chair for Education, he promoted Diversity and Inclusion programing in all programs, including awareness of biases, barriers to inclusion, and the importance of diversity in our workforce.

 

Body Imaging


Matthew Alfano

Matthew Alfano, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Pediatric Imaging

Dr. Alfano is a Diagnostic Radiologist with expertise in general radiology and sub-specialty expertise in Pediatric imaging. At Denver Health, Dr. Alfano regularly attends imaging rounds with the PICU and NICU and enjoys working with residents in case conferences.

Dr. Alfano Graduated Magna Cum Laude from the University of North Dakota with an undergraduate degree in Aeronautics. He earned his medical degree from St. George’s University, where he graduated Magna Cum Laude. He also served as an anatomy instructor, was on the Dean’s List, and was an active member of the Iota Epsilon Alpha honor society. Dr. Alfano’s residency was completed at Dartmouth-Hitchcock Medical Center after an internship at Maimonides Medical Center. Dr. Alfano completed Fellowship in Pediatric Radiology at Boston Children’s Hospital. During Dr. Alfano’s residency and fellowship, he participated in research, proctored in the gross anatomy lab, and made trips to work in global health in Tanzania. He was awarded multiple teaching awards throughout residency and fellowship.

Dr. Alfano holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine and particularly focuses on the education of residents/fellows in the area of Pediatric imaging.

Dr. Alfano is board-certified by the American Board of Radiology and sub-specialty board-certified in Pediatric Radiology.

Dr. Alfano belongs to multiple societies and has participated in global health programs. Dr. Alfano has been awarded “Top Doc” by 5280 Magazine, an honor bestowed on top physicians in Denver.

 

Victor Anaya-Baez, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging

Dr. Anaya-Baez is a Diagnostic Radiologist with expertise in the area of Abdominal Imaging. Areas of clinical focus include general diagnostic radiology, liver imaging, renal imaging, pancreas imaging, prostate MRI, rectal cancer MRI, general and vascular ultrasound, and trauma. At Denver Health, Dr. Anaya-Baez serves as the radiology department’s representative to our weekly Hematology-Oncology tumor boards.

Dr. Anaya-Baez’s diagnostic radiology residency was completed at the University of Louisville School of Medicine. He then completed an Abdominal Imaging Fellowship at the Mallinckrodt Institute of Radiology.

Dr. Anaya-Baez holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Anaya-Baez particularly focuses on the education of residents in the area of abdominal imaging, engaging future radiologists through case-based and didactic conferences.

He is board-certified by the American Board of Radiology.


Dr. Vanessa Campbell

Vanessa Campbell, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging

Dr. Campbell is a Diagnostic and Interventional Radiologist in Abdominal Imaging. Particular areas of clinical interests include advanced MRI of the prostate, genitourinary system, liver, biliary system, and pancreas. She focuses on image guided body procedures such as tumor ablation and biopsies. She also specializes in cancer staging and follow up imaging

Dr. Campbell earned her medical degree from Rocky Vista University College of Osteopathic Medicine with an honors certificate in Global Health. While at Rocky Vista she was awarded the TOUCH award for community service each year of medical school. She completed residency at Beaumont Hospital in Michigan during which she won several annual resident research awards and was a speaker at the Radiological Society of North America Annual meeting. Dr. Campbell then moved to Harvard Medical School Brigham and Women’s Hospital to complete a fellowship in Abdominal Imaging and Intervention.

Dr. Campbell holds the title of Assistant Professor at Denver Health's academic affiliate, the University of Colorado School of Medicine. Dr. Campbell particularly focuses on the education of residents/fellows in the area of abdominal imaging and image-guided procedures

Dr. Campbell is board-certified by the American Board of Radiology.

Dr. Campbell belongs to the Radiological Society of North America, Society of Abdominal Radiology, American Roentgen Ray Society, American Association for Women Radiologists, and RAD-AID International.

 

Dr. Elizabeth Dee

Elizabeth Dee, M.D.
Instructor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging

Dr. Dee graduated from the University of Virginia with her B.A. and M.D. Dr. Dee’s radiology residency and body imaging fellowship were completed at the University of Colorado where she was awarded with the Outstanding Resident Teaching Award, the Outstanding Fellow Teaching Award, and the RSNA Roentgen Ray Research Resident/Fellow Award.

Dr. Dee is a Clinical Instructor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. During the course of her career, she has been awarded Denver Health’s Clinician of the Year Award and as well as being designated a “Top Doc” by 5280 magazine, an honor bestowed on physicians in Denver.

Resident education in the area of body imaging and Denver Health’s hepatobiliary committee are two areas of particular interest.

She has been board-certified by the American Board of Radiology since 2003 and belongs to the Radiological Society of North America, the American Roentgen Ray Society, and the American College of Radiology.

 

Dr. James Kerchberger

James Kerchberger, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging

Dr. Kerchberger is a Diagnostic Radiologist with an expertise in the area of Body Imaging. Particular areas of clinical focus include hepatobiliary imaging, gastrointestinal imaging, genitourinary imaging, and emergency/ trauma imaging.

Dr. Kerchberger received his undergraduate degree in economics from Georgetown University where he graduated Summa Cum Laude, was inducted into the Phi Beta Kappa honor society, and received the B.J. Phoenix Award in economics. Dr. Kerchberger earned his medical degree from Emory University School of Medicine where he was a member of the Alpha Omega Alpha honor society. Dr. Kerchberger concurrently earned a Master of Public Health degree in Health Policy and Management from Emory’s Rollins School of Public Health where he was inducted into the Delta Omega honor society. Dr. Kerchberger’s residency was completed at the University of California San Francisco (UCSF) after an internship at Emory. Dr. Kerchberger also completed his Fellowship in Abdominal Imaging and Ultrasound at the UCSF. During Dr. Kerchberger’s residency, he received the Elmer Ng Outstanding Resident Award; during his fellowship, he served as chief fellow.

Dr. Kerchberger holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. He is board-eligible by the American Board of Radiology.

Dr. Kerchberger has been a co-author on multiple publications and has been a presenter at the Radiologic Society of North America (RSNA) Annual Meeting.

 

Dr. Nishant Mehta

Nishant K. Mehta, M.D
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging, Breast Imaging

Dr. Mehta is a Diagnostic Radiologist with an expertise in MRI. Particular areas of clinical focus include breast imaging and intervention and musculoskeletal MRI.

Dr. Mehta graduated summa cum laude from University of Southern California with a dual degree in Biomedical/Electrical Engineering. He received a USC Presidential Scholarship and was part of the Baccalaureate/MD program as an undergraduate student. Dr. Mehta attended the Keck School of Medicine at the University of Southern California where he was inducted into the Alpha Omega Alpha honor society. Dr. Mehta completed residency at Loma Linda University Medical Center in Loma Linda, California after an internship at St. Mary Medical Center in Long Beach, California. Dr. Mehta completed the prestigious Bradley MRI fellowship at UCSD Medical Center. During Dr. Mehta’s MRI fellowship, he had the opportunity to work with renown subspecialty field leaders.

Dr. Mehta holds the title of Clinical Instructor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Mehta particularly focuses on the education of residents/fellows in the area of breast imaging/intervention and musculoskeletal imaging.

Dr. Mehta is board-certified by the American Board of Radiology. He has been a member of the American Roentgen Ray Society and American College of Radiology. Dr. Mehta has been awarded “Top Doc” by 5280 magazine, an honor bestowed on top physicians in Denver. In his free time, he enjoys mantra meditation, reading, and cooking.

 

Dr. Randy Mound

Randy Mound, M.D.
Clinical Instructor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging

Dr. Mound is an Intermittent Radiologist at Denver Health. He received his undergraduate degree for Columbia College and his medical degree for New York Medical College. He did an internship and residency in Internal Medicine and a residency Radiology and fellowship in Body Imaging all at LAC/USC Medical Center in L.A. He is board certified in Internal Medicine and Radiology.

Dr Mound was a partner in private practice in LA for 25 years and then with a group covering multiple hospitals in Colorado for 8 years. He retired in 2014 and did Medicare Counseling until he started as an Intermittent Radiologist for Denver Health in June 2021 doing Body Imaging.

Dr. Mound holds the title of Clinical Instructor at Denver Health’s academic affiliate, the University of Colorado School of Medicine.

 

Dr. Joshua Sokol

Joshua Sokol, M.D.
Clinical Instructor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging, Diagnostic Imaging

Dr. Sokol completed medical school at Tufts University School of Medicine. Dr Sokol did his radiology training at Tripler Army Medical Center, serving a total of 11 years in the U.S. Army. Following his military career, Dr. Sokol moved to Colorado to enjoy the warm sunny days and mountain lifestyle. After working for Kaiser for 3 years he left to pursue a career in teleradiology and has done teleradiology all over the world for the last 13 years..

Dr. Sokol holds the title of Clinical Instructor at Denver Health’s academic affiliate, the University of Colorado School of Medicine.

 

Dr. Thanh Vu

Thanh Vu, M.D.
Head of Ultrasound
Clinical Instructor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Ultrasound, Body Imaging

Dr. Vu has been a member of the Department of Radiology at Denver Health since 2006. She received her undergraduate degree in religious studies and biology from University of Rochester in Rochester, N.Y. Dr. Vu’s medical degree was obtained from the University of Colorado School of Medicine. She completed a transitional internship at the University of Hawaii in Honolulu.

Her residency training and fellowship in body imaging both occurred at University of Colorado Health Sciences Center in Denver. She is board-certified by the American Board of Radiology. Dr. Vu holds the title of Clinical Instructor at Denver Health’s academic affiliate, the University of Colorado School of Medicine.

 

Dr. Graham Wallace

Graham Wallace, M.D.
Associate Professor of Clinical Practice, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging

Dr. Wallace is a diagnostic radiologist with an expertise in the area of cardiothoracic imaging. Particular areas of clinical focus include trauma, oncologic imaging, and interstitial lung disease.

Dr. Wallace graduated from Kansas State University and University of Kansas School of Medicine.

Dr. Wallace completed Family Medicine Residency at the Scott Air Force Base – St. Louis University combined program and Diagnostic Radiology Residency at University of North Carolina Hospitals. He completed a fellowship in Cardiac and Pulmonary Imaging at University of California San Francisco (UCSF).

Dr. Wallace has served in multiple roles as a career physician in the United States Air Force, retiring Spring 2022 after 24 years of service. He has served as a flight surgeon in F-15E and F-16C squadrons, as a family practice physician, Family Practice Clinic Medical Director, radiology residency faculty, Chief of Radiology and as Chief of Medical Staff. In addition to stateside assignments, Dr. Wallace has been stationed in South Korea, Italy and England as well as being deployed to Kuwait, South Korea and Afghanistan. He also served as volunteer faculty at UCSF for 5 years, where he received awards for his outstanding teaching.

Dr. Wallace holds the title of Associate Professor of Clinical Radiology at Denver Health’s academic affiliate, the University of Colorado School of Medicine.

He is certified by the American Board of Radiology.

Dr. Wallace is a member of the American College of Radiology where he serves on the Appropriateness Criteria Committee for Thoracic Imaging.

 

Neuroradiology / Musculoskeletal Imaging


Dr. John McMenamy

John McMenamy, M.D., Associate Director of Radiology
Associate Professor of Clinical Practice, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Trauma, Emergency, and Acute Care Radiology

Dr. McMenamy joined Denver Health in 202-as the Associate Director of Service for Radiology at Denver Health, supporting the department’s clinical, research, and educational programs. He is an Associate Professor in the Department of Radiology at the University of Colorado School of Medicine.

Dr. McMenamy earned his medical degree at The University of Texas Medical School at Houston where he was class president. After medical school, he completed his diagnostic radiology residency at The University of Texas Southwestern (UTSW) in Dallas, during which he served as a chief resident. While at UTSW, he completed a neuroradiology fellowship, and he holds a Certificate of Additional Qualification (CAQ) in Neuroradiology; the highest level of certification offered by the American Board of Radiology in the subspecialty of Neuroradiology.

After completing neuroradiology fellowship, Dr. McMenamy joined NYU School of Medicine faculty, rising to the rank of Associate Professor and serving as Division Chief of Emergency Radiology where he oversaw the growth of the Emergency Radiology group from a single section of 6 members into a division with four sections comprised of 24 full-time faculty emergency radiologists covering multiple Level I trauma and stroke centers. He also served as the Director of Quality & Safety and Associate Director of High Reliability.

Dr. McMenamy is an experienced healthcare leader, educator, and mentor with an established track record of initiating and executing impactful quality, safety, and operational programs through robust performance improvement methodologies. Dr. McMenamy has a demonstrated ability to work effectively with leaders and physicians to create, engage, and lead diverse teams of front-line staff in accelerating achievement of institutional objectives. His training in these areas includes an MBA, a fellowship in Clinical Quality, Board Certification by the American Board of Medical Quality (CMQ), the highest level of lean training offered by NYC Health + Hospitals, and he has achieved Certified Physician Executive (CPE) status by the American Association for Physician Leadership.

Dr. McMenamy's academic interests focus on developing and executing programs to enhance quality, safety, and improvement education. While at NYU, he developed and led the radiology quality improvement curriculum and redesigned the NYC Health + Hospital clinician lean training program. His educational efforts involve all levels of experience, including medical students, residents, fellows, practicing physicians, NPs, PAs, RNs, and leaders throughout all areas of medicine. Dr. McMenamy has authored numerous peer-reviewed publications, presented dozens of quality- and safety-improvement project poster presentations, and was the recent recipient of 2020 American Society of Emergency Radiology - Neiman Health Policy Institute (ASER - NHPI) grant to improve healthcare system response to Mass Casualty Incidents (MCIs).

 

Dr. Mithun Diwakar

Mithun Diwakar, M.D., PhD
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Neuroradiology

Mithun Diwakar, MD, PhD is a Diagnostic Radiologist with an expertise in the area of Neuroradiology. Particular areas of clinical focus include traumatic brain injury, epilepsy, and functional neuroimaging (MEG).

Dr. Diwakar earned his Bachelor's of Science with honors from the California Institute of Technology (Caltech) in 2006. At Caltech, Dr. Diwakar was awarded the Stuart Foundation Upper Class Merit Award, the Carnation Merit Scholarship, and the Arie J. Haagen-Smit Memorial Award. Dr. Diwakar earned his Doctorate of Philosophy with honors in Bioengineering from the University of California San Diego (UCSD) in 2011. He earned his Doctorate of Medicine from UCSD in 2015 as well, after completion of the Medical Scientist Training Program. At UCSD, Dr. Diwakar was awarded the Department of Radiology Senior Student Award, the Dietschman Scholarship, and the Regent's Scholarship. Dr. Diwakar's transitional year internship was completed at the Harbor-UCLA Medical Center in 2016. Dr. Diwakar's residency was completed at the University of California San Francisco (UCSF) in 2020. Dr. Diwakar subsequently completed a fellowship in Diagnostic Neuroradiology at UCSF in 2021. During Dr. Diwakar's residency and fellowship, he was awarded a T32 research fellowship for pursuing research in the field of functional neuroimaging. Dr. Diwakar served as the residency program's webmaster from 2017-2019

Dr. Diwakar holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Diwakar particularly focuses on the education of residents in the area of emergency Neuroradiology

He is board-certified by the American Board of Radiology. Dr. Diwakar belongs to the Radiologic Society of North America and the American Society of Neuroradiology.

Dr. Diwakar has been actively interested in research throughout his professional career, with 18 peer reviewed publications and 2 poster presentations at national/international conferences.

 

Dr. Joseph Houkal

Joseph Houkal, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Neuroradiology

Dr. Houkal has been a member of the Department of Radiology at Denver Health since 2018. He earned his undergraduate degree in neuroscience from Amherst College in Amherst, MA during which he received the Phi Beta Kappa award for best performance in mathematics. Dr. Houkal’s medical degree was received from University of Colorado School of Medicine and his internship in general medicine was completed at Exempla St. Joseph Hospital in Denver, CO. His fellowship training in neuroradiology occurred at University of California in San Diego, CA.

Dr. Houkal is board-certified by the American Board of Radiology, and he holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Houkal has been the coauthor of a number of scientific papers concerning both clinical and health policy research.

 

Dr. Michael Mestek

Michael Mestek, M.D.
Associate Professor  of Clinical Practice, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Neuroradiology

Dr. Michael Mestek earned his MD degree at the University of Colorado Medical School, which was followed by an internship at the University of New Mexico, a diagnostic radiology residency at the St. Joseph Hospital in Denver, and then a Neuroradiology fellowship at a Harvard-affiliated hospital.

Since training, Dr. Mestek has been serving thousands of radiology patients per year for over 40 years. While Dr. Mestek worked in a private practice briefly after his training, the majority of his career has been spent at Denver Health due to his keen interest in serving patients in need. When initially hired, Dr Mestek was the only fellowship-trained neuroradiologist at Denver Health, and a portion of his practice was neuroangiography. Dr Mestek has established expertise in all neuroradiology modalities, as well as in interventional radiology procedures and general diagnostic radiology examinations.

Over his career, Dr. Mestek served in a number of capacities including head of the Dept from 1989 to 1997. During his leadership, Denver Health established its first independent interventional radiology service. Dr. Mestek was awarded the prestigious Medical Staff Career Service Award.

Dr. Mestek holds the title of Associate Professor of Clinical Practice at Denver Health’s academic affiliate, the University of Colorado School of Medicine and has taught hundreds of residents over his career. Dr. Mestek continues to attend on an intermittent basis and remains a highly valued and productive member of the team!

 

Dr. David Symonds

David Symonds, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Neuroradiology

Dr. David Symonds is a Diagnostic Radiologist with expertise in the area of Neuroradiology. Particular areas of clinical focus include trauma, stroke, and demyelinating disease

Dr. Symonds graduated from the University of Washington, where he played in the marching band and was rush chairman for his fraternity. Dr. Symonds earned his medical degree from Cornell University. His residency was completed at the University of Colorado after an internship at Henry Ford Hospital. Dr. Symonds completed a fellowship in Neuroradiology at the University of Colorado.

Dr. Symonds holds the title of Clinical Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. He is board-certified by the American Board of Radiology in Diagnostic Radiology and Neuroradiology. Dr. Symonds belongs to the American Society of Neuroradiology.

He is an avid birdwatcher and sings in a local chorus.

.

Dr. Scott Tomsick

Scott D. Tomsick, M.D.
Senior Instructor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Musculoskeletal Imaging

Dr. Tomsick has been a musculoskeletal radiologist in the Department of Radiology at Denver Health since Dr. Tomsick has been a musculoskeletal radiologist in the Department of Radiology at Denver Health since 2010. Dr. Tomsick received his undergraduate degree in psychology from Duke University in Durham, NC, and his medical degree from University of Cincinnati College of Medicine in Cincinnati, OH. He completed his internship at Good Samaritan Hospital in Cincinnati, OH, and residency training at the University of Cincinnati, where he served as a chief resident. Dr. Tomsick’s fellowship in musculoskeletal imaging was undertaken at University of Colorado Health Sciences Center in Denver, CO during which he received the fellow teaching award

Dr. Tomsick currently holds the title of Senior Instructor, Department of Radiology, University of Colorado School of Medicine. He is board-certified by the American Board of Radiology. Dr. Tomsick has coauthored various publications with a particular focus on musculoskeletal and spine disease/injury. In 2020, he was honored as a “Top Doc” in Denver by 5280 magazine. In his spare time, Dr. Tomsick enjoys skiing, running, and playing music

 

Dr. Mikell Yuhasz
Mikell Yuhasz, M.D
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Neuroradiology
 
Dr. Yuhasz is a Diagnostic Radiologist with an expertise in the area of Neuroradiology with a particular interest and focus on head and neck imaging.

Dr. Yuhasz graduated summa cum laude with a Bachelor of Arts from Case Western University where she was elected as a member of Phi Beta Kappa. She subsequently earned her medical degree from Yale University where she was awarded the Joseph Collins Memorial Scholarship and the Campbell Prize for academic excellence. She performed an extra year of research while in medical school as part of obtaining a Masters of Health Sciences.

Dr. Yuhasz’s residency was completed at NYU School of Medicine after an internship at Yale-New Haven Hospital. Dr. Yuhasz completed Fellowship in Neuroradiology at Emory University. During residency, Dr. Yuhasz was awarded the RSNA Roentgen Resident/Fellow Research Award and was elected to the NYU House Staff Leadership Committee. She was additionally elected as an RSNA Introduction to Academic Radiology Scholar. As a fellow, Dr. Yuhasz was awarded the ASHNR Research in Training Award for best oral scientific presentation.

As a fourth-year resident, Dr. Yuhasz was awarded the ASNR Trainee Research Award Grant to pursue high-resolution MR imaging through the brainstem in sensorineural hearing-loss patients.

Dr. Yuhasz holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Yuhasz particularly focuses on the education of residents/fellows in the area of head and neck imaging.

Dr. Yuhasz belongs to RSNA, ASNR, and ASHNR societies and has participated at multiple national meetings, including as an invited guest speaker. She is board-certified by the American Board of Radiology.

Before Denver Health, Dr. Yuhasz practiced at NYU School of Medicine with a focus on emergency neuroradiology.

Dr. Yuhasz has been the author of numerous publications, book chapters, and oral presentations at RSNA, ASNR, and ASHNR national meetings throughout her training and education.

 

Breast Imaging


Randy Miles

Randy C. Miles, M.D.
Chief of Breast Imaging
Associate Director of Service for Radiology for Research
Associate Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Breast Imaging

Dr. Miles serves as the Chief of Breast imaging with oversight of the breast division’s clinical, research, and educational programs. He also serves as the Associate Director for Research in the Radiology Department.

Dr. Miles earned his medical degree from Mayo Clinic College of Medicine, where he was awarded the Miller Award for Humanitarianism related to his work leading medical mission trips to Haiti and the Dominican Republic. He also completed his Master’s in public health degree from Harvard School of Public Health during medical school, where he was selected as a Zuckerman Fellow. He completed his diagnostic radiology residency training at the University of Illinois- Chicago, where he served as chief resident, and completed his breast imaging fellowship training at the University of Washington Medical Center / Seattle Cancer Care Alliance.

Dr. Miles was recruited to Massachusetts General Hospital and Harvard Medical School following his fellowship training, where he served a variety of leadership roles including education director and clinical service chief of breast imaging. As clinical service chief, he oversaw the division’s same day care program, led implementation of contrast enhanced mammography, and initiated numerous health equity initiatives.

Dr. Miles has been the recipient of numerous research grants including the AUR GERRAF fellowship, RSNA Research & Education Foundation Education Development Imaging Cancer Grant, MGH Cancer Center and the Center for Innovation in Early Cancer Detection (CIECD) Award, Harvard Catalyst Faculty Fellowship, and The Eleanor and Miles Shore 50th Anniversary Fellowship Program (HMS) Award. Over his 4 years at MGH, Dr. Miles published nearly 50 academic papers and gave numerous talks nationally on his work in artificial intelligence, health literacy, and breast cancer disparities.

Dr. Miles’ educational efforts have involved trainees at all levels of experience including medical students, residents, fellows, medical technologists, physician extenders, and attending physicians. He was awarded Teacher of the Year Award by residents during his time at MGH. He has also worked in Shanghai, China as a consultant providing expertise on how to improve operational efficiency and patient experience in a breast imaging practice.

At Denver Health, Dr. Miles’ clinical, research, and public health efforts will center around using innovation to: 1) identify barriers to breast cancer screening, 2) create patient-centered initiatives to improve access to breast imaging services, and 3) examine how to improve delivery of high quality, guideline- concordant breast care for all patients.

Dr. Miles holds the title of Associate Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine.

 

Christopher Doyle

Christopher Doyle, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Breast Imaging

Dr. Doyle is a diagnostic radiologist with an expertise in breast imaging. He graduated from The University of Cincinnati College of Medicine, where he was admitted to the Arnold Gold Humanism Honors Society. He then completed his residency at the University of Chicago Hospitals after an internship in internal medicine at The Christ Hospital in Cincinnati Ohio where Dr. Doyle was presented the Larry Otto Family Centered Care Award. Dr. Doyle completed fellowship in breast imaging at Columbia University Medical Center /New York Presbyterian.

Dr. Doyle holds the title of assistant professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. He focuses on the of residents and fellows in the area of breast cancer screening, diagnostic mammography, and breast intervention.

He is board certified by the American Board of Radiology and belongs to the Radiological Society of North America (RSNA), Society of Breast Imaging (SBI), and American College of Radiology (ACR).


Dr. Nhat-Tuan Tran

Nhat-Tuan Tran, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Breast Imaging, Body Imaging

Dr. Tran is a Diagnostic Radiologist with an expertise in the area of Breast Imaging. Particular areas of clinical focus include health disparities research, as well as community outreach

Dr. Tran graduated from the University of Colorado Denver in Accounting and Biology. Dr. Tran earned his medical degree from the University of Colorado School of Medicine where he received the Adler Scholarship. Dr. Tran’s residency was completed at the University of Colorado after an internship in surgery at St. Joseph's Hospital in Denver. Dr. Tran completed his Fellowship in Breast Imaging at the University of Colorado.

Dr. Tran holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Tran particularly focuses on the education of residents and fellows in the area of health disparities, community outreach, and breast imaging.

 

Dr. Nishant Mehta

Nishant K. Mehta, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Body Imaging, Breast Imaging

Dr. Mehta is a Diagnostic Radiologist with an expertise in MRI. Particular areas of clinical focus include breast imaging and intervention and musculoskeletal MRI

Dr. Mehta graduated summa cum laude from University of Southern California with a dual degree in Biomedical/Electrical Engineering. He received a USC Presidential Scholarship and was part of the Baccalaureate/MD program as an undergraduate student. Dr. Mehta attended the Keck School of Medicine at the University of Southern California where he was inducted into the Alpha Omega Alpha honor society. Dr. Mehta completed residency at Loma Linda University Medical Center in Loma Linda, California after an internship at St. Mary Medical Center in Long Beach, California. Dr. Mehta completed the prestigious Bradley MRI fellowship at UCSD Medical Center. During Dr. Mehta’s MRI fellowship, he had the opportunity to work with renown subspecialty field leaders.

Dr. Mehta holds the title of Clinical Instructor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Mehta particularly focuses on the education of residents/fellows in the area of breast imaging/intervention and musculoskeletal imaging.

Dr. Mehta is board-certified by the American Board of Radiology. He has been a member of the American Roentgen Ray Society and American College of Radiology. Dr. Mehta has been awarded “Top Doc” by 5280 magazine, an honor bestowed on top physicians in Denver. In his free time, he enjoys mantra meditation, reading, and cooking.

 

Interventional Radiology


Dr. Eric Altonen

Eric Aaltonen, M.D.
Chief of Interventional Radiology
Clinical Associate Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Interventional Radiology

Dr. Aaltonen is an Interventional Radiologist (IR) with a clinical focus including interventional oncology and portal hypertension. At Denver Health, Dr. Aaltonen is the IR Chief and serves on the Credentialing and Procedural Sedation committees. Dr. Aaltonen graduated magna cum laude from Princeton University earning a degree in chemical engineering with a focus on engineering biology. Dr. Aaltonen earned his medical degree from Northwestern University Feinberg School of Medicine and concurrently a Master of Public Health degree from the Northwestern University Graduate School. He began residency training in diagnostic radiology at the University of Illinois Chicago where he was named a chief resident during his second year prior to completing residency training at New York University.

Dr. Aaltonen completed his vascular and interventional radiology fellowship at University of California San Francisco in 2013. Dr. Aaltonen holds the title of Clinical Associate Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine and is board-certified by the American Board of Radiology. Dr. Aaltonen’s research and education interests include quality and operational optimization. Dr. Aaltonen belongs to the Society of Interventional Radiology and has served on the interventional oncology service line, association of IR program directors, and association of IR chiefs. Prior to Denver Health, Dr. Aaltonen practiced at NYU Langone Health where he served as IR fellowship and residency program director and was co-primary investigator for a multi-year Agency for Healthcare Research and Quality grant focusing on the inpatient IR experience.

 

Dr. Stephen Dreyer

Stephen Dreyer, MD, MBA Interventional Radiologist
Assistant Professor, Department of Radiology, University of Colorado School of Medicine bbb
Subspecialty Focus: Interventional Radiology

Dr. Stephen Dreyer is an Interventional Radiologist with an expertise in the area of image-guided procedures. His areas of clinical focus include trauma, dialysis access creation and maintenance, and interventional oncology.

At Denver Health, Dr. Dreyer serves on the Trauma Council, as well as participates in many multi-disciplinary boards throughout the hospital.

Dr. Dreyer graduated from the University of Texas with a degree in biochemistry. He earned his medical degree from Baylor College of Medicine where he simultaneously completed a Master of Business Administration at Rice University. Dr. Dreyer’s internship and residency were completed at University Hospitals Case Medical Center. Dr. Dreyer completed his fellowship in Vascular and Interventional Radiology at M.D. Anderson Cancer Center. He is board-certified by the American Board of Radiology.

Dr. Dreyer holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Dreyer particularly focuses on the education of residents and fellows in the area of interventional radiology.

 

Dr. Meredith McDermott

Meredith McDermott, MD, Interventional Radiologist
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Interventional Radiology

Dr. McDermott is an Interventional Radiologist (IR) with a clinical focus including women’s health and venous interventions. At Denver Health, Dr. McDermott serves on the Pharmacy and Therapeutics Committee. Dr  McDermott graduated from the University of Pittsburgh earning a degree in chemistry. Dr. McDermott earned her medical degree from the University of Pittsburgh School of Medicine. She began residency training in diagnostic radiology at New York University School of Medicine. Dr. McDermott completed her vascular and interventional radiology fellowship also at New York University in 2016 where she was named chief fellow. 

Dr. McDermott holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine and is board-certified by the American Board of Radiology. Dr. McDermott’s research and education interests include women’s health in interventional radiology. Dr. McDermott belongs to the Society of Interventional Radiology and has served on the Women’s Health Service Line and the Government Affairs Committee. Prior to Denver Health, Dr. McDermott practiced at NYU Langone Health where she served as the educational representative for medical student and residency rotations in interventional radiology, as well as the director of operations at NYU Brooklyn.

 

Dr. Adam Schwertner

Adam Schwertner, M.D.
Assistant Professor, Department of Radiology, University of Colorado School of Medicine
Subspecialty Focus: Interventional Radiology

Dr. Schwertner is an Interventional Radiologist with an expertise in the area of Vascular and Interventional Radiology. Particular areas of clinical focus include interventional oncology and dual-energy CT applications within Interventional Radiology

Dr. Schwertner graduated from the University of Iowa with an undergraduate degree in Biomedical Engineering. Dr. Schwertner was a presidential scholar while at the University of Iowa. He earned his medical degree from the University of Chicago Pritzker School of Medicine where he graduated with Alpha Omega Alpha honors. Dr. Schwerner’s residency was completed at the University of California, San Francisco, after an internship at the University of Chicago, North Shore. Dr. Schwertner completed Fellowship in Vascular and Interventional Radiology at the University of California, San Francisco. During Dr. Schwerner’s residency, he performed research and gave national presentations on the new training pathway in Interventional Radiology.

Dr. Schwertner holds the title of Assistant Professor at Denver Health’s academic affiliate, the University of Colorado School of Medicine. Dr. Schwertner particularly focuses on the education of residents, fellows, and PA Students in the area of image-guided procedures and Interventional Radiology.

He is board-certified by the American Board of Radiology. Dr. Schwertner belongs to the Society of Interventional Radiology and the Radiological Society of North America.

At Denver Health, Dr. Schwertner serves as the site director for a medical student rotation in Interventional Radiology for medical students from the University of Colorado School of Medicine.

Dr. Schwertner has a number of research interests with highlighted recent publications listed below:

  • Schwertner A, McMenamy J, Naeger DM. Radiology Imaging Volume Changes During Discrete COVID-19 Pandemic Waves: Implications for the Delta Variant of Coronavirus and Future Pandemics. J Am Coll Radiol JACR. Published online November 23, 2021:S1546-1440(21)00918-2. doi:10.1016/j.jacr.2021.09.045
  • Glencer A, Kirkwood K, Schwertner A, et al. Multidisciplinary Management of Postoperative Pancreatic Fistula. Dig Dis Interv. 2021;05(01):055-069. doi:10.1055/s-0040-1721785
  • Schwertner A, Kohlbrenner RM, Seeley EJ, Lokken RP. Nonfibered Packing Coil Embolization of Pulmonary Artery Pseudoaneurysm Resulting in a Delayed Endobronchial Coil Migration. J Vasc Interv Radiol. Published online January 2021. doi:10.1016/j.jvir.2020.12.026

When not practicing as an Interventional Radiologist, Dr. Schwertner enjoys skiing, gardening, and golfing.