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They know a lot about you as a patient. You want to know more about them as doctors. The board-certified physicians of Tri Rivers Surgical can diagnose and treat a full scope of musculoskeletal conditions. Click on your doctor's name to learn more about his or her education, training and areas of specialization.

Orthopedic Surgeons

Michael W.
Weiss, M.D.

D. Kelly
Agnew, M.D.

William D.
Abraham, M.D.

Trenton M.
Gause, M.D.

Thomas S.
Muzzonigro, M.D.

Robert L.
Waltrip, M.D.

S. Joshua
Szabo, M.D.

H. James
Pfaeffle, M.D., Ph.D.

Scott G.
Rainey, D.O.

William E.
Saar, D.O.

Corey A.
Pacek, M.D.

John M.
Richmond, M.D.

Physical Medicine and Rehabilitation Specialists

James L.
Cosgrove, M.D.

Judith H.
Esman, M.D.

Edward D.
Reidy, M.D.

Benedict C.
Woo, M.D.

James A.
Craig Jr., D.O.

Anna K.
Gaines, M.D.

Primary Care Sports Medicine

Anna M.
Dumont, D.O.

Groh Miller, M.D.


Betsy F.
Shook, M.D.