Expertise in
8
conditions

Dr. Keith W. Brennan

Internal Medicine
South Nassau Communities Hospital
1 Healthy Way, 
Oceanside, NY 
Expertise in
8
conditions
South Nassau Communities Hospital
1 Healthy Way, 
Oceanside, NY 

Overview

Keith Brennan is a primary care provider, practicing in Internal Medicine in Oceanside, New York.

Dr. Brennan is highly rated in 8 conditions, according to our data. His clinical expertise encompasses Sepsis, Gangrene, Peptic Ulcer, Gastrostomy, and Ureteroscopy.

He is actively involved in clinical research, co-authoring 2 peer reviewed articles.

Specialties

Internal Medicine

Licenses

Internal Medicine in RI

Hospital Affiliations

Mount Sinai South Nassau

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
Anthem BCBS
  • 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
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
TeamCare
  • OTHER COMMERCIAL
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 7 Less Insurance Carriers -

Locations

South Nassau Communities Hospital
1 Healthy Way, Oceanside, NY 11572
Other Locations
Episcopal Health Services Inc
327 Beach 19th St, Far Rockaway, NY 11691

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.

2 Total Publications

A retrospective study investigating the incidence and predisposing factors of hospital-acquired anemia.
A retrospective study investigating the incidence and predisposing factors of hospital-acquired anemia.
Journal: Anemia
Published: August 19, 2014
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Frequently Asked Questions about Dr. Keith W. Brennan

How do I make an appointment with Dr. Keith W. Brennan?

You can book an appointment with Dr. Keith W. Brennan by calling their office at 516-632-3000. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Keith W. Brennan a top-rated expert for Sepsis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Keith W. Brennan is classified as an Distinguished 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. Keith W. Brennan specialize in?

While Dr. Keith W. Brennan is a Internal Medicine, they have specific expertise in Sepsis, Gangrene, and Peptic Ulcer. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.

Does Dr. Keith W. Brennan participate in research or clinical trials?

Yes. Dr. Keith W. Brennan has published 2 articles and abstracts on conditions like Sepsis. You can view a list of Dr. Keith W. Brennan's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Keith W. Brennan accept my insurance?

Dr. Keith W. Brennan accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 516-632-3000 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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