Summary

Dr. Barbara Gredysa is an endocrinologist who specializes in diabetes and metabolism, along with internal medicine. She earned her medical degree from The School of Medicine at Stony Brook University Medical Center and completed her residency at SUNY. With two decades of clinical experience, Dr. Gredysa focuses on helping patients manage complex hormonal and metabolic conditions.

Dr. Gredysa practices at multiple locations in Southampton, New York, and maintains her hospital affiliation with Stony Brook University Hospital. She treats patients with various forms of diabetes, including geriatric diabetes and type 2 diabetes mellitus. Her clinical expertise includes performing thyroid hormone tests, complete blood counts, and thyroid-stimulating hormone tests to diagnose and monitor endocrine disorders. Patients have rated her care at 4.0 out of 5 on Vitals, reflecting her commitment to quality patient care.

AI-generated from data on this provider profile.

Quick Facts

  • 4
  • 20 years of experience
  • 21 insurance plans accepted
  • Suny
  • 4 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 5 office locations
  • Female

Office Locations

Dr. Barbara Gredysa has 5 locations

Stony Brook Southampton Hospital

240 Meeting House LnSouthampton, NY 11968

Weill Cornell Medicine - Southampton

2 Montauk HwySouthampton, NY 11968
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Center for Liver Disease and Transplantation

1283 York Avenue 9th FloorNew York, NY 10065

Center for Liver Disease and Transplantation

13656 39th Ave # 2Flushing, NY 11354

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Dr. Barbara Gredysa, MDDr. Gabrielle Paula Grinstein, MDDr. Costner Stephen MckenzieJR Michael Ghiassi
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismDermatologyInternal Medicine
Accepts New Patients Accepts New Patients
4.9 
20 Years of Experience 32 Years of Experience 6 Years of Experience 7 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Southampton , NYNew York , NYNew York , NYPhiladelphia , PA
Med School: THE SCHOOL OF MEDICINE AT STONY BROOK UNIVERSITY MEDICAL CENTER Med School: Universidad De Buenos Aires Med School: Northwestern University Feinberg School Of Medicine Med School: Lincoln Memorial University Debusk College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. Barbara Gredysa

  • AARP
  • AARP - PPO
  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • CHAMPVA
  • Cigna
  • EmblemHealth
  • HealthFirst (NY)
  • HealthFirst (NY) - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Nippon Life Benefits
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare Oxford
  • UnitedHealthcare Oxford - PPO
  • Wellcare

Medical Specialties

Dr. Barbara Gredysa has the following 2 specialties

Specialty Expertise

Dr. Barbara Gredysa has the following 11 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes (Types I & II)
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine

Certifications, License, & Education

20 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Active

EDUCATION & TRAINING

Residency

Suny

Medical School

THE SCHOOL OF MEDICINE AT STONY BROOK UNIVERSITY MEDICAL CENTERGraduated in 2008
Wroclaw Medical UniversityGraduated in 2006

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Frequently Asked Questions

Is Dr. Barbara Gredysa accepting new patients?
Dr. Barbara Gredysa has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Barbara Gredysa accept my insurance?
You can see the insurance plans that Dr. Barbara Gredysa accepts on their Vitals profile.
How can I make an appointment with Dr. Barbara Gredysa?
You can find contact information for Dr. Barbara Gredysa here on Vitals.
Which hospitals is Dr. Barbara Gredysa affiliated with?
Dr. Barbara Gredysa is affiliated with STONY BROOK UNIVERSITY HOSPITAL.
Does Dr. Barbara Gredysa accept virtual/telehealth appointments?
Dr. Barbara Gredysa has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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