Kristen A. O'brien
Experienced in Anemia
Experienced in Anemia
3 Technology Drive, Suite 100, 
East Setauket, NY 

Overview

Kristen O'brien is a primary care provider, practicing in Family Medicine in East Setauket, New York. Dr. O'brien is rated as an Experienced provider by MediFind in the treatment of Anemia. Her top areas of expertise are High Cholesterol, Vitamin D Deficiency, Infant Hyperglycemia, and Vitamin B12 Deficiency Anemia.

Her clinical research consists of co-authoring 15 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Graduate Institution
SUNY At Buffalo-School Of Medicine & Biomedical Sciences
Specialties
Family Medicine
Licenses
Family Medicine in NY
Board Certifications
American Board Of Family Medicine
Hospital Affiliations
Mather Hospital
Hofstra/Northwell School Of Medicine/Nursing
Huntington Hospital
South Shore University Hospital
Katz Institute For Women's Health
Languages Spoken
English
Gender
Female
Awards
Patients' Choice Award Recipient (2025
2024)

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • 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 Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health First
  • HMO
  • POS
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MVP Health
  • EPO
  • PPO
Northwell Health
  • INSURANCE PLAN
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 13 Less Insurance Carriers -

Locations

Mather Primary Care at East Setauket
3 Technology Drive, Suite 100, East Setauket, NY 11733

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.


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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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