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Meet The Physicians of RIA

At Radiology Imaging Associates, we believe in the power of knowledge. That’s why we work to know everything we can to create better outcomes. For you. For your patients. For the way forward.

Board of Directors

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Seth-Emil Bartel, MD, MA

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Vernon Chapman, MD, MBA
Board Treasurer

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Darren Cutter, MD

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Keith Dangleis, MD
Chief of Nuclear Medicine

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Louie Enriquez, MD, JD

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Brendan Essary, MD
President, RIA & Managing Partner, Medical Imaging of Colorado

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William Grande, MD

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Yu Hong, MD

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Samuel Wang, MD, FACR
Chief Medical Officer

Body Imaging

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Simeon Abramson, MD

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Ryan Albritton, MD

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Seth-Emil Bartel, MD, MA

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Andrew Fisher, MD, MBA

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Matthew Fleishman, MD, FACR

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Kristin Freestone, MD, FACR

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Jeffrey Friedland, MD

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Trey Gilbert, MD

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Jean Michel Grillon, MD

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Steven Heiss, MD, MA

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Yu Hong, MD

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Kevin Johnson, MD

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Sharmila Lingam, MD
Chief of Body Imaging

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Shane Morris, MD

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Richard Obregon, MD, FACR

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Michael Payne, MD

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J. Caleb Richards, MD

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Benjamin Sacks, MD

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Robert Saito, MD, FACR

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David Shook, MD

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Jeffry Weingardt, MD

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Shane C. Wheeler, MD

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Kimberly Wright, MD

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Ian Wright, MD

Breast Imaging

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Lora Barke, DO, FACR
Chief of Breast Imaging

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Brett Bartz, MD

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Marjan Bolouri, MD

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Kelly Borden, MD

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Janice Brenneman, MD, MSN

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Gitesh Chheda, MD

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Kelly D'Amico, MD

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Mark Dennis, MD, FACR

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Christopher Ebersole, DO

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Louie Enriquez, MD, JD

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Scott Grosskreutz, MD, FACR

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Luke Hoagland, MD

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Aaron Kirkpatrick, MD

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Kevin Lampert, MD

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Michael Lin, MD

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Elizabeth Maddox, MD

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Richard Obregon, MD, FACR

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Gregory C. Reuter, MD

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Benjamin Sacks, MD

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Stanley Smazal, MD, FACR

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Amy Tolbert, MD

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Kimberly Wright, MD

Chest Imaging

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Simeon Abramson, MD

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Matthew Fleishman, MD, FACR

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J. Caleb Richards, MD

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Ian Wright, MD

General Radiology

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Gitesh Chheda, MD

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Jessica Cox, DO, PhD

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William Graf, MD

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Andrew Wade, MD

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Ming Peng, MD, FACR

Interventional Radiology

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Samuel Ahn, MD

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Ray Bradford, MD

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Tony Brown, MD

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Matt Brown, MD

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Richard Coursey, MD

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Matthew Gipson, MD

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William Grande, MD
Board Secretary

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Tyler Green, MD

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Ben Kassanoff, MD

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Todd Kooy, MD

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Eric Malden, MD, FACR
Chief of Interventional Radiology

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Greg Martin, MD

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Felipe Matsunaga, MD

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Nishant Patel, MD, MBA

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Brian Ravert, MD

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Cosette Stahl, DO

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Peter Stratil, MD, MBA
Medical Director RIA Endovascular

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Allen Swanson, MD

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Samuel Tesfalidet, MD

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Sean Walker, MD

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Nick Yee, MD

Musculoskeletal Radiology

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Daniel April, MD

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Scot Campbell, MD

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Gregory Czuczman, MD
Chief of Musculoskeletal Radiology

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William Dunfee, MD

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Christopher Ebersole, DO

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Brendan Essary, MD
President, RIA & Managing Partner, Medical Imaging of Colorado

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Samuel Fuller, MD

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Scott Grosskreutz, MD, FACR

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Paul Hsieh, MD

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Michael Otte, MD, FACR

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Andrew Sonin, MD, FACR

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Robert Stone, MD

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Adam Williams, MD

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Michael Yung, MD

Neuroradiology

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Kenneth Allison, MD

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John Anderson, DO

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Cameron Bahr, MD

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Malay Bhatt, MD

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Fernando Boschini, MD

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Vernon Chapman, MD, MBA
Board Treasurer

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Nathan Coleman, MD

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Ryan Crete, MD

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Darren Cutter, MD

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Elliot Dickerson, MD

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David Dungan, MD, FACR

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Louis Golden, MD

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Ross Goldstein, MD

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Phillip Gunther, MD

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Jon Holstad, MD

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Michael Kushdilian, MD

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Jared Mahan, MD

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Carrie Norris, MD

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Andrew Olsen, MD
Chief of Neuroradiology

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Stan Poliashenko, MD

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Michael Preece, MD

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Peter Ricci, MD

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Appleton Scutchfield, MD

Nuclear Medicine

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David Camacho, MD

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Keith Dangleis, MD
Chief of Nuclear Medicine

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Woodie Hopper, MD

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Bobby Kang, MD

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Joseph S. Tan, MD

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Samuel Wang, MD, FACR
Chief Medical Officer

Pediatric Radiology

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Brett Bartz, MD

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James Chang, MD
Chief of Pediatric Radiology

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Vernon Chapman, MD, MBA
Board Treasurer

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Jeffrey Friedland, MD

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Lori Wilhelm, MD

Neurovascular

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Eric Arias, MD

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Benjamin Atchie, DO

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Richard Bellon, MD

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Donald Frei, MD
Chief of NeuroInterventional Surgery

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Ian Kaminsky, MD, MS