Dr. O'Brien is on Doximity
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Office
11600 Wilshire Blvd
Ste 522
Los Angeles, CA 90025Phone+1 310-477-7276Fax+1 310-477-5148
Education & Training
- University of Kansas (Wichita)Residency, Orthopaedic Surgery, 1981 - 1986
- University of Kansas School of MedicineClass of 1981
Certifications & Licensure
- CA State Medical License 1988 - 2025
- WI State Medical License 1987 - 1989
- OH State Medical License 1988 - 1988
- PA State Medical License 1987 - 1988
- CO State Medical License 1985 - 1987
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