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Dr. John Hennessey, MD
Internal Medicine* Age 57
Dr. John Hennessey, MD
5.0 (1 Ratings)

Offers telehealth

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Dr. John Hennessey, MD
5.0 (1 Ratings)
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Dr. John Hennessey, MD

Internal Medicine* Age 57
Gales Ferry, CT
Accepting new patients
30 years of experience

Offers telehealth

 

Clinical Overview

Dr. John Hennessey, MD works in Gales Ferry, CT as an Internist and has 30 years experience.

Dr. Hennessey is board certified in Internal Medicine and graduated from Boston University in 1996. Dr. Hennessey has worked on more claims relating to All Headaches (incl. Migraine), Urinary Tract Infection (UTI), Joint Pain, Constipation, Urinary Incontinence, Scrotal Pain, Acute Bronchitis and Acute Lower Respiratory Infection than other providers in the area. At present, Dr. Hennessey has received an average rating of 5.0 from patients and has been reviewed 1 times. Dr. Hennessey is affiliated with Westerly Hospital and Lawrence & Memorial Hospital. Dr. Hennessey's office accepts new patients and has telehealth appointments.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Low Wait Times

Patients are usually seen in 10 minutes or less.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

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These providers are on the medical staff of MDVIP
These providers are on the medical staff of MDVIP.
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Insurance & Payment Information

* Please verify this information when scheduling an appointment.
  • Choice Plus POS II
    APCN Choice POS II
    Managed Choice (Open Access) POS
    Elect Choice (Open Access) EPO
    Open Choice PPO
    Premier Care Network Plus - Innovation Health
    Aetna HMO
    Select
  • First Health (Coventry Health Care) PPO
  • Century Preferred-CT PPO
    BlueCare - CT HMO
    Pathway X Enhanced (Ind -)-CT HMO
  • Cigna HMO
    Cigna PPO
    Open Access Plus
  • Freedom
    Liberty
  • SimplyBlue/Simply Blue Plus PPO
  • Choice Plus POS
    Navigate HMO
    Navigate Plus POS
    Options PPO
  • HealthyBlue Advantage
  • BlueCard PPO

Office Locations

  1. 1 Office
    1527 Route 12 Ste 101, Gales Ferry, CT 06335
    Icon Directions Right Arrow Directions Phone Icon (860) 464-7274
  2. 2 Avalon Health Care Center at Stoneridge
    186 Jerry Browne Rd, Mystic, CT 06355
    Icon Directions Right Arrow Directions Phone Icon (860) 536-9700

Patient Experience & Satisfaction

Likelihood to recommend Dr. Hennessey
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Mar 31, 2026
I am always impressed with Dr Hennessey’s thoroughness. He has a nice personality. Also he does not rush me through, which I rate highly.
— Mar 31, 2026
See more reviews on Healthgrades

Medical Expertise & Background

Specialties*
Internal Medicine
Specialties*
  • *Medical News Today does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

Common Patient Questions

Dr. John Hennessey, MD accepts new patients on Medical News Today.

Dr. Hennessey accepts telehealth appointments. Please call Dr. Hennessey's office to make an appointment.

Dr. Hennessey accepts Aetna, First Health, Anthem, Cigna, Oxford Health Plans, Excellus BlueCross BlueShield, UnitedHealthCare, CareFirst BlueCross BlueShield and Blue Cross Blue Shield as well as many others. See all of the insurances Dr. Hennessey accepts here.

Dr. Hennessey frequently sees patients for All Headaches (incl. Migraine), Urinary Tract Infection (UTI), Joint Pain, Constipation, Urinary Incontinence, Scrotal Pain, Acute Bronchitis and Acute Lower Respiratory Infection.

Dr. Hennessey has a star rating of 5.0/5 and has been reviewed 1 times.

Dr. Hennessey is board certified in Internal Medicine.

Dr. Hennessey has been practicing as an Internist for 30 years.
Education & Credentials
Medical Education
  • Boston University
    1996
Medical Education
Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
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Telehealth Options
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(860) 464-7274

Affiliated Hospitals & Medical Centers

Know Before You Go

Preventive care: what doctors want you to know

Preventive care can help identify current or future health and medical concerns before they become major.

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