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John Hennessy, MD535 Main Street, Olean, NY 14760 map
Dr. John Hennessy, an internist in Olean, NY, is skilled at diagnosing & treating a wide variety of illnesses & disorders in adult patients.
John Hennessy, MD
Accepting New Patients?
Yes, Dr. John Hennessy is accepting new patients at this office.
Phone
Fax
(716) 373-6632
Address
535 Main Street, Olean, NY 14760
Office Details
Insurance Accepted
- Medicare
Bio
Dr. Hennessy has one office in New York where he specializes in Internal Medicine.
Specialty
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Internal Medicine
The specialty of internal medicine is an area of primary care for adults. Dr. Hennessy specializes in diagnosing and treating cross-system illnesses that may affect multiple organ systems. He may also refer patients to specialist physicians when medically needed. For instance, patients with serious heart problems could be referred to a cardiologist for further diagnostic tests or therapies.
Languages Spoken
- English
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