Expertise in
2
conditions

Dr. Stephen J. John

Family Medicine
Suffolk County Dohs Jail Medical Unit
100 Center Dr, 
Riverhead, NY 
Expertise in
2
conditions
Suffolk County Dohs Jail Medical Unit
100 Center Dr, 
Riverhead, NY 

Overview

Stephen John is a primary care provider, practicing in Family Medicine in Riverhead, New York.

Dr. John is highly rated in 2 conditions, according to our data. His clinical expertise encompasses Sepsis, Dehydration, Low Sodium Level, Hip Replacement, and Gastrostomy.

He is actively involved in clinical research, co-authoring 13 peer reviewed articles.

Specialties

Family Medicine

Licenses

Family Medicine in NY

Hospital Affiliations

Peconic Bay Medical Center

Languages Spoken

English

Gender

Male

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Health First
  • HMO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Northwell Health
  • INSURANCE PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 5 Less Insurance Carriers -

Locations

Suffolk County Dohs Jail Medical Unit
100 Center Dr, Riverhead, NY 11901

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.

13 Total Publications

Socioeconomic consequences of tuberculosis for households in Nigeria: a longitudinal patient cost survey within an intervention engaging informal health providers.
Socioeconomic consequences of tuberculosis for households in Nigeria: a longitudinal patient cost survey within an intervention engaging informal health providers.
Journal: BMJ public health
Published: August 26, 2025
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Frequently Asked Questions about Dr. Stephen J. John

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

You can book an appointment with Dr. Stephen J. John by calling their office at 631-852-1989. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Stephen J. John a top-rated expert for Sepsis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Stephen J. John is classified as an Advanced expert for Sepsis, 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. Stephen J. John specialize in?

While Dr. Stephen J. John is a Family Medicine, they have specific expertise in Sepsis, Dehydration, and Low Sodium Level. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Family Medicine.

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

Yes. Dr. Stephen J. John has published 13 articles and abstracts on conditions like Sepsis. You can view a list of Dr. Stephen J. John's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Stephen J. John accept my insurance?

Dr. Stephen J. John accepts most major insurance plans, including Aetna and Blue Cross Blue Shield. We recommend calling the office directly at 631-852-1989 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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