Dr. John Hennessey is an internist in Gales Ferry, CT. He is trained to diagnose & treat an extensive variety of diseases & illnesses in adults.
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Yes, Dr. John J. Hennessey is accepting new patients at this office.
(860) 464-7404
1527 Route, Gales Ferry, CT 06335
Dr. John Hennessey graduated from Tufts University School of Medicine in 1996.
Dr. Hennessey has two offices in Connecticut where he specializes in Internal Medicine.
Dr. Hennessey works with two doctors including Dr. Sanford Greenhouse and Dr. Mary Murphy-fiengo.
The specialty of internal medicine is an area of primary care for adults. Dr. Hennessey specializes in diagnosing and treating cross-system illnesses that may affect multiple organ systems. When necessary, Dr. Hennessey can also refer patients to specialists when medically needed. As an example, patients with severe allergies could be referred to an allergist for added diagnostic tests or treatment options.
Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Hennessey, but only those who participate in Medicare.