Stephen O'brien is a Internal Medicine Physician based in Sacramento, CA. Stephen O'brien practices in Oakland, CA and has the professional credentials of MD. The NPI Number for Stephen O'brien is 1699794453 and holds a License No. G74654 (California).
The current practice location address for Stephen O'brien is 3100 Summitt Street, Oakland, CA and can be reached out via phone at 510-869-8400.
Identifier | Type | State | Issuer |
---|---|---|---|
00G746540 | 01 | CA | BLUE SHIELD |
00G746570 | 05 | CA |
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