Expertise in
14
conditions

Dr. John J. Hennessey

Internal Medicine
Office
1527 Route 12 Ste 101, 
Gales Ferry, CT 
Expertise in
14
conditions
Office
1527 Route 12 Ste 101, 
Gales Ferry, CT 

Overview

John Hennessey is a primary care provider, practicing in Internal Medicine in Gales Ferry, Connecticut.

Dr. Hennessey is highly rated in 14 conditions, according to our data. His clinical expertise encompasses Hypothyroidism, Dementia, Memory Loss, and Obesity in Children.

He is actively involved in clinical research, co-authoring 1 peer reviewed article.

Specialties

Internal Medicine

Licenses

Internal Medicine in CT

Hospital Affiliations

Westerly Hospital
Yale-New Haven Hospital
Lawrence & Memorial Hospital
William W Backus Hospital

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
HealthPartners
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Oscar
  • EPO
  • HMO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
Tufts
  • HMO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 14 Less Insurance Carriers -

Locations

Office
1527 Route 12 Ste 101, Gales Ferry, CT 06335

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Total Publications

Glycoconjugates: What It Would Take To Master These Well-Known yet Little-Understood Immunogens for Vaccine Development.
Glycoconjugates: What It Would Take To Master These Well-Known yet Little-Understood Immunogens for Vaccine Development.
Journal: mSphere
Published: September 27, 2019
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Frequently Asked Questions about Dr. John J. Hennessey

How do I make an appointment with Dr. John J. Hennessey?

You can book an appointment with Dr. John J. Hennessey by calling their office at 860-464-7274. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. John J. Hennessey a top-rated expert for Hypothyroidism?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John J. Hennessey is classified as an Advanced expert for Hypothyroidism, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. John J. Hennessey specialize in?

While Dr. John J. Hennessey is a Internal Medicine, they have specific expertise in Hypothyroidism, Dementia, and Memory Loss. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.

Does Dr. John J. Hennessey participate in research or clinical trials?

Yes. Dr. John J. Hennessey has published 1 articles and abstracts on conditions like Hypothyroidism. You can view a list of Dr. John J. Hennessey's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. John J. Hennessey accept my insurance?

Dr. John J. Hennessey accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 860-464-7274 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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