Our Team

RP Eagle Leadership Team

Byron Christie, M.D.

Byron Christie, M.D.

Diagnostic & Interventional Radiology, Interventional Pain Management, Eagle Local Practice Board Member

THOMAS S. GRIGGS, M.D.

THOMAS S. GRIGGS, M.D.

Diagnostic & Interventional Radiology, Interventional Pain Management, Eagle Local Practice Board Member 

JOSHUA A. JANSEN, M.D.

JOSHUA A. JANSEN, M.D.

Diagnostic Radiology, Interventional Pain Management, Mammography, Eagle Local Practice Board Member

C. BRETT NELSON, M.D.

C. BRETT NELSON, M.D.

Diagnostic Radiology, Musculoskeletal Radiology, Oklahoma Regional Medical Director, Eagle Local Practice Board Member

GREG SCHUCANY, M.D.

GREG SCHUCANY, M.D.

Diagnostic Radiology, MRI Imaging – Musculoskeletal, Neuroradiology, Body, Eagle Local Practice Board Member 

ANTHONY C. TOPPINS, M.D.

ANTHONY C. TOPPINS, M.D.

Diagnostic Radiology, Musculoskeletal Radiology, Practice President, Texas Regional Medical Director, Eagle Local Practice Board Member 

RP Eagle

LUKE CHAMBLESS, M.D.

LUKE CHAMBLESS, M.D.

Diagnostic Radiology, Mammography, Interventional Radiology 

DEREK DIFFENDAFFER, M.D.

DEREK DIFFENDAFFER, M.D.

Diagnostic Radiology, Mammography

John t. Doan, MD

John t. Doan, MD

Diagnostic Radiology, Interventional Pain Management, Mammography

NATHAN ELFRINK, M.D.

NATHAN ELFRINK, M.D.

Diagnostic Radiology, Interventional Pain Management, Mammography

Daniel Felter, M.D.

Daniel Felter, M.D.

Diagnostic Radiology, Body Imaging

Brandon Hancock, M.D.

Brandon Hancock, M.D.

Diagnostic Radiology, Interventional Radiology

Anthony Leblanc, M.D.

Anthony Leblanc, M.D.

Diagnostic Radiology, Musculoskeletal Radiology

LAUREN MARTINEZ, M.D.

LAUREN MARTINEZ, M.D.

Diagnostic Radiology, Mammography, Interventional Radiology

JASON MAY, M.D.

JASON MAY, M.D.

Diagnostic Radiology, Mammography, Interventional Radiology

CHUCK MYERS, D.O.

CHUCK MYERS, D.O.

Diagnostic Radiology, Body Imaging

Jay Pack, M.D.

Jay Pack, M.D.

Diagnostic Radiology, Musculoskeletal Radiology

BRYAN PECK, M.D.

BRYAN PECK, M.D.

Diagnostic Radiology, Mammography

JAX PHAM, D.O.

JAX PHAM, D.O.

Diagnostic Radiology, Mammography, Musculoskeletal Radiology

Scott Prater, M.D.

Scott Prater, M.D.

Diagnostic Radiology, Interventional Radiology

Joel Thomas, M.D.

Joel Thomas, M.D.

Diagnostic Radiology, Neuroradiology

GARY WADDELL, M.D.

GARY WADDELL, M.D.

Diagnostic Radiology, Mammography, Interventional Radiology

MARK WHITLEY, M.D.

MARK WHITLEY, M.D.

Diagnostic Radiology, Mammography

Support Team

Julie Bartkoski, MBA

Julie Bartkoski, MBA

Associate Vice President of Operations, North and West Texas

Nicole Tennant, BS

Nicole Tennant, BS

Senior Practice Director

LANA WEBB, BBA, CPA

LANA WEBB, BBA, CPA

Practice Manager

Justin Higgins

Justin Higgins

Regional IT Support Manager

Eagle Imaging Team

THE PROVIDERS LISTED ON THIS WEBSITE ARE FOR GENERAL INFORMATION PURPOSES ONLY AND DO NOT INCLUDE ALL PROVIDERS OF PRACTICE. WHILE WE STRIVE TO KEEP THE INFORMATION UP TO DATE AND CORRECT, WE MAKE NO REPRESENTATIONS OR WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, ABOUT THE CONTENT, COMPLETENESS, ACCURACY, RELIABILITY, LEGALITY, SUITABILITY OR AVAILABILITY, WITH RESPECT TO THE PROVIDERS CONTAINED ON THIS WEBSITE.