Dr. John J Hennessey, MD



Internal Medicine   -  Connecticut,  Gales Ferry

 Overview

Dr. John J Hennessey, MD works in Gales Ferry, Connecticut is a specialist in Internal Medicine and graduated Tufts University School Of Medicine in 1996. Dr. Hennessey is affiliated with Lawrence & Memorial Hospital and practicing for 27 years

 Specialties

  • Internal Medicine

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 27

 State License

  • Connecticut

 Education & Training

Medical School

Tufts University School Of Medicine

Boston, MA, United States

Graduated: 1996

Internship Hospital

University Of Colorado Health Sciences Center

Denver, CO, USA

Year completed: 1997

 Awards

Awards for Dr. John J Hennessey, MD are not present.

 Dr. Hennessey Reviews

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 Office Locations


Primary location

 Office Address
1527 Route 12 SUITE 1
Connecticut (CT)
Gales Ferry
6335
 Phone:(860) 464-7274

Accepting New Patients

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

 Map & Directions



Office Address, 1527 Route 12 SUITE 1, Gales Ferry, Connecticut (CT), 6335




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Anthem
  • Bakery & Confectionary Union Plan
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Commercial Insurance Company
  • Connecticare
  • Connecticare HMO
  • Connecticare POS
  • CoreSource
  • Empire Blue Cross Blue Shield
  • Empire Blue Cross Blue Shield HMO
  • Federal Employee Program (FEP)
  • Freedom Plan
  • Great West Healthcare-Cigna PPO
  • Humana
  • Medicaid
  • Medicare
  • Medicare MCR
  • Navigate HMO
  • Navigate POS
  • Open Access Plus
  • Options PPO
  • Oxford Health Plans
  • Oxford Liberty
  • Pathway X Ind PPO Direct Access CT
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. John J Hennessey, MD are not present.

 Patients Questions

Patients questions for Dr. John J Hennessey, MD are not present.

 Affiliated Hospitals


Lawrence & Memorial Hospital photo


Lawrence & Memorial Hospital

365 Montauk Avenue Connecticut CT, New London, 6320

Lawrence & Memorial Hospital is a District Authority owned hospital located in New London, CT. Procedures/Diagnosis costs are above the state average in 3 of 11 procedures. Length of Stay is at the state average in 6 of 11 procedures.



  •  Latest reviews for Internal Medicine 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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