Search › New York › Endocrinology, Diabetes & Metabolism Physician
John Hennessy, MD
NPI 1780676676 · on the registry since 2005
Practice
- Address
- 535 Main St
Olean, NY 14760 - Phone
- (716) 372-0141
- Fax
- (716) 373-6632
- Organisation at this address
- Prizels Pharmacy Llc
General Physician, Pc
Audiology Solutions, Pllc
Olean Medical Practice Pllc
Olean Medical Group WellnessInferred from a shared address, not stated in the registry. - Clinicians at this address
- 75
Registry record
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician
207RE0101X
- Licence states on file
- NY
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-07-13
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in New York