Office Phone

(865) 595-4100

Billing Inquiries

(865) 766-0112

PAY MY BILL

With over 45 Board Certified Radiologists, Vista provides superior patient care from our expertly trained sub-specialists

Meet our Team

Our clinical and administrative offices are open from
8:30 a.m.-5:00 p.m., Monday-Friday.
Our billing office is open from
8:00 a.m.-5:00 p.m., Monday-Friday.

Michael B. Adler, M.D.

Dr. Adler joined Vista Radiology, P.C. in 2008.

Timothy L. Alder, M.D.

Dr. Alder joined Vista Radiology, P.C. in 2009.

Sheri W. Armstrong, M.D.

Dr. Armstrong affiliated with Vista Radiology, P. C. in 2008.

Guy R. Barat, M.D.

Dr. Barat joined Vista Radiology, P.C. in 2008.

Rachel M. Barker, M.D.

Dr. Barker joined Vista Radiology, P.C. in 2009.

Brent A. Barrow, M.D.

Dr. Barrow joined Vista Radiology, P.C. in 2008.

Samuel P. Bilyeu, M.D.

Dr. Bilyeu is a native of Texas and joined Vista Radiology, P.C. in 2008.

Paul Campbell, MD

Dr. Campbell joined Vista Radiology, P.C. in 2018.

Andrew B. Conrad, M.D.

Dr. Andrew Conrad joined Vista Radiology, P.C. in 2015.

Peter C. Coulson, M.D.

Dr. Peter C. Coulson joined Vista Radiology, P.C. in 2020.

Jason B. Deen, M.D.

Dr. Deen joined Vista Radiology, P.C. in 2009.

Hugh H. Delozier, M.D.

Dr. Delozier has been with Vista Radiology, P.C. since 1988.

Edward F. Downey, JR., D.O.

Dr. Downey joined Vista Radiology, P.C. in 2018.

Peter G. Emanuel, M.D.

Dr. Emanuel joined Vista Radiology, P.C. in 1997.

Garth P. Graham, M.D.

Dr. Graham joined Vista Radiology, P.C. in 2004.

Daryl L. Harp, M.D.

Dr. Harp joined Vista Radiology, P.C. in 1988.

H. Robert Hixson, M.D.

Dr. Hixson joined Vista Radiology, P.C. in 2017.

William Holmes, M.D.

Dr. Holmes joined Vista Radiology, P.C. in 1996.

Daniel R. Hoss, M.D.

Dr. Hoss joined Vista Radiology, P.C. in 2020.

Christopher L. Hovis, M.D.

A Knoxville native, Dr. Hovis joined Vista Radiology, P.C. in 2007.

Tim Hudnall, PA-C

Tim Hudnall, PA-C joined Vista Radiology, P.C. in 1996.

Glenn E. Jung, M.D.

Dr. Jung joined Vista Radiology, P.C. in 1995.

James Tyler Irwin, RN, MSN, NP-C

Dr. Irwin joined Vista Radiology, P.C. in 2019

Frederick M. McLean, M.D.

Dr. McLean joined Vista Radiology, P.C. in 1997.

George O Mead, M.D.

Dr. Mead joined Vista Radiology, P.C. in 2015.

Steven E. Repka, M.D.

Dr. Repka joined Vista Radiology, P.C. in 2009.

Sidney C. Roberts, III, M.D.

Dr. Roberts joined Vista Radiology, P.C. in 2000.

Jeffrey M. Roesch, M.D.

Dr. Roesch joined Vista Radiology, P.C. in 1996.

Gayle E. Roulier, M.D.

Dr. Roulier joined Vista Radiology, P.C. in 1996.

Robert H. Santee, M.D.

Dr. Santee joined Vista Radiology, P.C. in 2003.

Amanda B. Squires, M.D.

Dr. Squires joined Vista Radiology, P.C. in 2008.

Howard W. Sterling, M.D.

Dr. Sterling joined Vista Radiology, P.C. in 2020

Bobby W. Stiles, RN, MSN, NP-C, FNP-BC

Bobby joined Vista Radiology, P.C. in 2006

John C. Texada, M.D.

Dr. Texada joined Vista Radiology, P.C. in 2009.

Jeffrey Paul Vargo, MD

Dr. Vargo joined Vista Radiology, P.C. in 2018.

Scott Wegryn, MD

Dr. Wegryn joined Vista Radiology, P.C. in 1993.

Thuy Vu, M.D.

Dr. Vu joined Vista Radiology, P.C. in 2013.

Meeta Wig, MD

Dr. Wig joined Vista Radiology, P.C. in 2020.

John P. Williams, III, M.D.

Dr. Williams joined Vista Radiology, P.C. in 1996.

Britton Keith Woodward, M.D.

Dr. Woodward joined Vista Radiology, P.C. in 2003.

Paul Wooldridge, M.D.

Dr. Woolridge joined Vista Radiology, P.C. in 2019.

Donovan L. Yamada, M.D.

Dr. Yamada joined Vista Radiology, P.C. in 2008.