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.

Seth-Emil Bartel, MD, MA

Vernon Chapman, MD, MBA
Board Treasurer

Keith Dangleis, MD
Chief of Nuclear Medicine

Louie Enriquez, MD, JD

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

Louis Golden, MD

Jared Mahan, MD

Samuel Wang, MD, FACR
Chief Medical Officer

Adam Williams, MD

Simeon Abramson, MD

Ryan Albritton, MD

Seth-Emil Bartel, MD, MA

Andrew Fisher,  MD, FACR, MBA

Matthew Fleishman, MD, FACR

Kristin Freestone, MD, FACR

Jeffrey Friedland, MD

Trey Gilbert, MD

Jean Michel Grillon, MD

Steven Heiss, MD, MA

Yu Hong, MD

Kevin Johnson, MD

Sharmila Lingam, MD
Chief of Body Imaging

Shane Morris, MD

Paul Nielsen, MD, MPH

Richard Obregon, MD, FACR

Michael Payne, MD

J. Caleb Richards, MD

Benjamin Sacks, MD

Robert Saito, MD, FACR

Matthew Schmidt, MD

David Shook, MD

Sean Siebert, MD

Caroline Tomas, MD

Jeffry Weingardt, MD

Shane C. Wheeler, MD

Ian Wright, MD

Aria Bagheri, MD

Lora Barke, DO, FACR
Chief of Breast Imaging

Brett Bartz, MD

Marjan Bolouri, MD

Kelly Borden, MD

Kelly D'Amico, MD

Mark Dennis, MD, FACR

Christopher Ebersole, DO

Louie Enriquez, MD, JD

Scott Grosskreutz, MD, FACR

Luke Hoagland, MD

Aaron Kirkpatrick, MD

Kevin Lampert, MD

Michael Lin, MD

Elizabeth Maddox, MD

Richard Obregon, MD, FACR

Gregory C. Reuter, MD

Benjamin Sacks, MD

Stanley Smazal, MD, FACR

Amy Tolbert, MD

Daniel Wingard, DO

Emily S. Warncke, MD

Simeon Abramson, MD

Matthew Fleishman, MD, FACR

J. Caleb Richards, MD

Ian Wright, MD

Matthew Schmidt, MD

Jessica Cox, DO, PhD

William Graf, MD

Andrew Wade, MD

Ming Peng, MD, FACR

Samuel Ahn, MD

Ray Bradford, MD

Tony Brown, MD

Matt Brown, MD

Richard Coursey, MD

Matthew Gipson, MD

William Grande, MD
Board Secretary

Tyler Green, MD

Ben Kassanoff, MD

Todd Kooy, MD

Eric Malden, MD, FACR
Chief of Interventional Radiology

Greg Martin, MD

Nishant Patel, MD, MBA

David Quintana, MD

Brian Ravert, MD

Cosette Stahl, DO

Peter Stratil, MD, MBA
Medical Director RIA Endovascular

Allen Swanson, MD

Samuel Tesfalidet, MD

Sean Walker, MD

Nick Yee, MD

Daniel April, MD

Scot Campbell, MD

Gregory Czuczman, MD
Chief of Musculoskeletal Radiology

William Dunfee, MD

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

Samuel Fuller, MD

Scott Grosskreutz, MD, FACR

Paul Hsieh, MD

Michael Otte, MD, FACR

Andrew Sonin, MD, FACR

Robert Stone, MD

Adam Williams, MD

Kenneth Allison, MD

John Anderson, DO

Cameron Bahr, MD

Benjamin Ball, MD

Malay Bhatt, MD

Fernando Boschini, MD

Vernon Chapman, MD, MBA
Board Treasurer

Ryan Crete, MD

Darren Cutter, MD

Elliot Dickerson, MD

David Dungan, MD, FACR

Louis Golden, MD

Ross Goldstein, MD

Phillip Gunther, MD

Timothy Hagan, MD

Jon Holstad, MD

Robert Lukas Hynecek, MD

Michael Kushdilian, MD

Jared Mahan, MD

Carrie Norris, MD

Andrew Olsen, MD
Chief of Neuroradiology

Stan Poliashenko, MD

Michael Preece, MD

Gerald Riccardello, Jr., MD

Peter Ricci, MD

Appleton Scutchfield, MD

Alex Stuckey, MD

David Camacho, MD

Keith Dangleis, MD
Chief of Nuclear Medicine

Woodie Hopper, MD

Bobby Kang, MD

Joseph S. Tan, MD

Samuel Wang, MD, FACR
Chief Medical Officer

Brett Bartz, MD

James Chang, MD
Chief of Pediatric Radiology

Vernon Chapman, MD, MBA

Board Treasurer

Jeffrey Friedland, MD

Lori Wilhelm, MD

Eric Arias, MD

Benjamin Atchie, DO

Richard Bellon, MD

Donald Frei, MD

Chief of NeuroInterventional Surgery

Ian Kaminsky, MD, MS