John J. O'brien is a Gastroenterology Physician based in Livonia, MI and is specialized in Gastroenterology. John J. O'brien practices in Livonia, MI and has the professional credentials of MD. The NPI Number for John J. O'brien is 1619088218 and holds a License No. 4301093280 (Michigan).
The current practice location address for John J. O'brien is 36475 Five Mile Rd, Livonia, MI and can be reached out via phone at 734-655-2727.
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