Dr. John Hennessy, MD



Diabetes, Metabolism & Endocrinology     -  New York,  Olean

 Overview

Dr. John Hennessy, MD works in Olean, New York is a specialist in Diabetes, Metabolism & Endocrinology and graduated KS Hegde Medical Academy, Medical Sciences Complex in 1967. Dr. Hennessy is affiliated with Olean General Hospital and practicing for 56 years

 Specialties

  • Diabetes, Metabolism & Endocrinology

 Years Since Graduation

  • 56

 State License

  • New York

 Education & Training

Medical School

KS Hegde Medical Academy, Medical Sciences Complex

MANGALORE, India
Graduated: 1967

Residency Hospitals

St Joseph Hospital And Med Center

Paterson, NJ, USA

University Of Nc Hosps

 Awards

Awards for Dr. John Hennessy, MD are not present.

 Dr. Hennessy Reviews

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 Office Locations


Primary location

 Office Address
535 Main Street
New York (NY)
Olean
14760
 Phone:(716) 372-0141

Accepting New Patients

  • No
* Please verify this information when scheduling an appointment.

 Map & Directions



Office Address, 535 Main Street, Olean, New York (NY), 14760




 Insurances Accepted (check insurance plans)

  • EmblemHealth
  • Health Insurance Plan of Greater New York (HIP) PPO

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. John Hennessy, MD are not present.

 Patients Questions

Patients questions for Dr. John Hennessy, MD are not present.

 Affiliated Hospitals


Olean General Hospital photo


Olean General Hospital

515 Main Street New York NY, Olean, 14760

Olean General Hospital is a hospital located in Olean, NY. Procedures/Diagnosis costs are above the state average in 3 of 8 procedures. Length of Stay is at the state average in 7 of 8 procedures.


  •  Latest reviews for Diabetes, Metabolism & Endocrinology specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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