James D O'brien is a Internal Medicine Physician based in Irvine, CA. James D O'brien practices in Irvine, CA and has the professional credentials of MD. The NPI Number for James D O'brien is 1922188168 and holds a License No. 000000G78458 (California).
The current practice location address for James D O'brien is 4870 Barranca Pkwy, Irvine, CA and can be reached out via phone at 949-272-3800.
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