Our Providers

M. Sean O'Brien, D.O. | Orthopaedic Surgeon, OCO Sports

M. Sean O’Brien, D.O.

Orthopaedic Surgeon & Sports Medicine

Kevin Mason, P.A. - C | Physician Assistant, OCO Sports

Kevin Mason, P.A.-C

Physician Assistant

Rita Hancock, M.D. | Non-Narcotic Pain Treatment, OCO Sports

Rita Hancock, M.D.

Non-Narcotic Pain Treatment

Dr. O'Brien is just a really cool guy. He makes you feel like he is one of your friends every time you come into the office.
- Colt Nichols, Motocross Rider

I can always count on OCO to do everything possible to get me on the field as soon as possible. I am extremely grateful for the care they provide.
- Chris Reynolds, Patient

OCO definitely keeps me on my bike. Dr. Sean O'Brien has pieced me together many times!
- Robbie Reynard, World Motocross Champion

CALL TODAY

Oklahoma City Office

M. Sean O’Brien, D.O.
& Rita Hancock, M.D

3110 S.W. 89th Street, Suite 200C
Oklahoma City, OK 73159

Norman Office

Rita Hancock, M.D. 

2405 Westport Dr.
Norman, OK 73069

Yukon Office

M. Sean O’Brien, D.O.

 1491 Health Center Parkway
Yukon, OK 73099

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