R. C. Halversen
R. J. Ord
R. R. Bradley
R. R. Hightower
Rachael S. Horn
Rachael Stubbs
Rachel A. Mitchell
Rachel Mitchell
Radiation Oncology
Randall J. Bready
Randall J. Olson
Randall R. Fillmore
Randy Cate
Raoul D. Nelson
Raymond C. Doucette
Regina E. Rosenthal
Reib B. Hales
Retina Associates
Rhett Hallows
Richard A. Aldous