John J Brennan is a Orthopedic Surgery Physician based in East Setauket, NY. John J Brennan practices in East Setauket, NY and has the professional credentials of MD. The NPI Number for John J Brennan is 1154353977 and holds a License No. 211330 (New York).
The current practice location address for John J Brennan is 6 Technology Dr Ste 100, East Setauket, NY and can be reached out via phone at 631-689-6698 and via fax at 631-751-5548.
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