Our Doctors

All of the doctors at Interventional Radiology of Colorado are fellowship-trained experts in minimally invasive, image guided treatment options. An Interventional Radiology fellowship is an additional year of intense, focused study and practice of image-guided procedures using special instruments that operate in and out of the body.

Several of the physicians with Interventional Radiology of Colorado have been featured as 5280 Top Doctors – voted by their peers for excellence in patient care and advancing medicine in Denver, Colorado. 

Meet our team of Interventional Radiologists.

Shawn Ahmed, M.D., Ph.D.

Interventional Radiologist

Arthur H. Donahue, D.O.

Interventional Radiologist

Nathan Doro, D.O., M.S.

Interventional Radiologist

Eric M. DePopas, M.D.

Interventional Radiologist

Samuel L. McMurry, D.O.

Interventional Radiologist

Earl E. Schott, III, M.D.

Interventional Radiologist

Michael Hughes, MD

Interventional Radiology

Christopher Warner, M.D.

Interventional Radiology

Less Recovery Time Less Risk Less Pain Better Results

You’ve Been Diagnosed. What’s Next?

Schedule a consultation with one of our doctors to determine if an interventional radiology procedure is the right option for you.

By requesting an appointment, you agree to our privacy policy.

Shawn Ahmed, M.D., Ph.D.

Fellowship Trained Vascular & Interventional Radiologist

Primary Specialty | Vascular & Interventional Radiology

Medical School | Creighton University School of Medicine, Omaha, NE

Residency | University of Minnesota Medical Center, Minneapolis, MN

Fellowship | Massachusetts General Hospital, Boston, MA

Memberships

  • American Medical Association
  • American College of Radiology
  • Radiological Society of North America

Dr. Shawn Ahmed is a board certified radiologist specializing in Vascular & Interventional Radiology. Dr. Ahmed began his medical career at Creighton University in Omaha, NE where he performed cancer research from 1999-2008. He earned a Ph.D. in Bio-Organic Chemistry in 2004 from Creighton University School of Medicine’s Department of Biomedical Sciences. He subsequently received his M.D. at Creighton University School of Medicine in 2008. Dr. Ahmed performed his internship at Hennepin County Medical Center in Minneapolis, MN in 2008 followed by a residency in Diagnostic Radiology at the University of Minnesota Medical Center where he trained from 2009-2013. He subsequently performed a fellowship in Vascular Interventional Radiology at Harvard Medical School’s world-renowned Massachusetts General Hospital in Boston, MA.

Throughout his education, training, and career, Dr. Ahmed has been very active in the medical community through his key involvement in several peer-reviewed journal publications, abstracts, and presentations.

Dr. Ahmed is married with five children. In his spare time, he enjoys skiing, hiking and traveling.

Arthur H. Donahue, D.O.

Fellowship Trained Vascular & Interventional Radiologist

Primary Specialty | Vascular & Interventional Radiology

Medical School | Des Moines University – Osteopathic Medical Center

Residency | Michigan State University/Henry Ford Wyandotte, Wyandotte, MI

Fellowship | University of Pittsburgh Medical Center, Pittsburgh, PA

Memberships

  • American Osteopathic College of Radiology
  • Society of Interventional Radiology

Dr. Arthur Donahue is a board certified radiologist specializing in Vascular & Interventional Radiology. He received his DO at Des Moines University – Osteopathic Medical Center. He continued his training at Michigan State University/Henry Ford Wyandotte in Wyandotte, MI, where he received his Radiology Residency training. He then completed Fellowship training at University of Pittsburgh Medical Center in Pittsburgh, PA.

Beginning his medical career as a PharmD, Dr. Donahue brings a unique perspective to his work as a physician. He has been very active in the medical community through his participation in numerous publications and research projects as well as various medical society involvement.

On a personal note, Dr. Donahue enjoys running, golf, pheasant hunting, skiing, reading, rock climbing and aviation.

Nathan Doro, D.O, M.S.

Fellowship Trained Vascular & Interventional Radiologist

Primary Specialty | Vascular & Interventional Radiology

Medical School | University of New England College of Osteopathic Medicine, Biddeford, ME

Residency | Albany Medical Center, Albany, NY

Fellowship | Albany Medical Center, Albany, NY

Memberships

  • American College of Radiology
  • Radiological Society of North America
  • Society of Interventional Radiology
  • New York Roentgen Society

Dr. Nathaniel Doro is a board certified radiologist specializing in Interventional Radiology. He earned his DO at the University of New England College of Osteopathic Medicine before completing his Residency in Integrated Interventional Radiology at Albany Medical Center in Albany, NY.

Throughout his education and training, Dr. Doro received numerous honors and awards, including induction into Sigma Sigma Phi National Honor Society. Dr. Doro has contributed to several publications and scientific presentations. He has also been an active participant in multiple clinical trials focused on arterial embolization and treatment of pulmonary embolism.

As an outdoor enthusiast, Dr. Doro looks forward to enjoying the Colorado lifestyle.

Eric DePopas, M.D.

Fellowship Trained Vascular & Interventional Radiologist

Primary Specialty | Vascular & Interventional Radiology

Medical School |Georgetown University School of Medicine, Washington, DC

Residency |University of Colorado Anschutz, Denver, CO

Fellowship | University of Colorado Anschutz, Denver, CO

Memberships

  • American Diagnostic Radiology Board Eligible
  • Member of the Society of Interventional Radiology
  • Member of Society of Physician Entrepreneurs

Dr. Eric DePopas is a board certified radiologist specializing in Vascular & Interventional Radiology. He earned his MD at the Georgetown University School of Medicine in Washington, DC before completing an internship in Internal Medicine at MedStar Washington Hospital Center. He then completed a Residency in Diagnostic Radiology at University of Colorado Anschutz campus, where he was the Resident Chapter President for the Colorado Radiology Society, followed by a Vascular and Interventional Radiology fellowship.

 

Prior to joining Diversified Radiology, Dr. DePopas was Interventional Radiologist with X-Ray Associates of New Mexico
and the Director of Vascular Services for Circulate Vascular Specialist, also in New Mexico. He is also the Co-Founder and Chief Medical Officer of Helped, a digital health company designed to help healthcare providers attract, educate, and engage patients for procedure medicine.

 

Dr. DePopas enjoys golf, skiing, practicing mindful meditation, personal and professional development, and college football – Go Dawgs!

Samuel L. McMurry, D.O.

Fellowship Trained Vascular & Interventional Radiologist

Primary Specialty | Vascular & Interventional Radiology

Medical School | Oklahoma State University College of Medicine, Tulsa, OK

Residency | University of Arkansas for Medical Sciences (UAMS) College of Medicine, Little Rock, AR

Fellowship | University of Colorado

Memberships

  • American College of Radiology
  • American Roentgen Ray Society
  • Association of University Radiologists
  • European Radiologic Society
  • Mid-American Interventional Radiology Society
  • Radiological Society of North America
  • Sigma Sigma Phi
  • Society of Interventional Radiology

Dr. Samuel McMurry is a board certified radiologist specializing in Vascular and Interventional Radiology. He earned his DO at Oklahoma State University College of Medicine in Tulsa, and continued his training at University of Arkansas for Medical Sciences (UAMS) College of Medicine in Little Rock, where he received his Radiology Residency training. Dr. McMurry received his Fellowship training in Interventional Radiology at University of Colorado.

Throughout his education and training, Dr. McMurry received numerous honors and awards, including induction into Sigma Sigma Phi National Honor Society and multiple scholarships. Further, Dr. McMurry has contributed to several publications and scientific presentations as well as sharing his expertise through volunteer, leadership and teaching roles.

On a personal note, he enjoys spending time with his wife and three sons, dirt biking, mountain biking, and skiing/snowboarding.

Earl E. Schott, III, M.D.

Fellowship Trained Vascular & Interventional Radiologist

Primary Specialty | Vascular & Interventional Radiology

Medical School | Northwestern University, Chicago, IL

Residency | University of Florida, Gainesville, FL

Fellowship | University of Florida, Gainesville, FL

Memberships

  • American College of Radiology
  • Colorado Radiological Society
  • Society of Interventional Radiology

Dr. Schott is board certified in Interventional and Diagnostic Radiology. He earned his MD at Northwestern University in Chicago and continued his training with Radiology Residency and Interventional Fellowship at the University of Florida in Gainesville.

As a recent President of a Denver physician group, Rocky Mountain Radiologists, Dr. Schott comes to us with great experience in the private practice setting and in working with the various elements of the local hospital environment.

Illustrating his academic side, Dr. Schott co-authored a May 2020 article in Pulmonary Medicine. His extra efforts in patient care were acknowledged with a hospital-wide “Best Catch to Prevent Harm” award for the year 2018.

In his free time, Dr. Schott pursues outdoor activities such as running, golf, and exploring Colorado’s mountains. He also travels whenever possible and has visited almost all 50 states and close to 30 foreign countries.

Michael Hughes, MD

Fellowship Trained Vascular & Interventional Radiologist

Medical School | Saint Louis University School of Medicine, Saint Louis, MO

Residency | University of Colorado, Aurora CO/SSM Saint Mary’s Hospital, Saint Louis, MO

Fellowship | University of Colorado, Aurora CO

Memberships and Certifications

  • American Diagnostic Radiology Board Eligible
  • Member of the Society of Interventional Radiology
  • Member of Colorado Radiological Society
  • Member of the Radiological Society of North America
  • Member of the American College of Radiology
  • Member of the American Medical Association

Dr. Michael Hughes is a board eligible radiologist specializing in Interventional Radiology. Prior to joining Diversified Radiology, Dr. Hughes graduated summa cum laude with a Bachelor of Arts in Psychology from Saint Louis University. He earned his MD at Saint Louis University School of Medicine before completing his Internal Medicine preliminary residency at SSM Saint Mary’s Hospital in Saint Louis, MO. He then completed both his residency in Diagnostic Radiology and fellowship in Interventional Radiology at the University of Colorado, where he served as Chief Resident. 

In his free time, Dr. Hughes enjoys hiking, skiing, and exploring the many beautiful landscapes throughout Colorado and the United States. If you find him indoors, he is probably watching hockey or Formula 1 racing. He is looking forward to hiking Mount Kilimanjaro with his girlfriend and traveling to new destinations, in particular Japan.

Christopher Warner, M.D.

Fellowship Trained Interventional Radiologist

Medical School | University of Colorado School of Medicine, Aurora, CO

Residency | University of Colorado Hospital, Aurora, CO

Fellowship | Clinical Radiology of Oklahoma, Edmond, OK, University of Colorado Hospital, Aurora, CO

Dr. Christopher Warner is a board certified radiologist specializing in Vascular & Interventional Radiology. He earned his MD at the University of Colorado School of Medicine before completing an Internal Medicine internship at Exempla St. Joseph Hospital in Denver, CO followed by a Diagnostic Radiology residency at the University of Colorado. He then completed two fellowships in Musculoskeletal Radiology at Clinical Radiology of Oklahoma and Vascular & Interventional Radiology at the University of Colorado.

Throughout his career Dr. Warner has been committed to helping underserved populations. Prior to medical school he was a Teach For America corps member who taught High School Science in Chicago. During his medical education and training he was the director of the global health track and co-founder of a nonprofit on the Peruvian Amazon. Dr. Warner has received multiple awards including the Gold Humanism award and has published multiple research papers.

In his free time he enjoys international travel, skiing, hiking and scuba diving.

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