Summary

Dr. Barbara Gredysa is an endocrinologist specializing in diabetes and metabolism with additional expertise in 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 brings extensive knowledge to the treatment of hormone-related conditions and metabolic disorders.

Dr. Gredysa practices at multiple locations throughout Southampton, New York, and maintains her hospital affiliation with Stony Brook University Hospital. She focuses on treating various forms of diabetes, including geriatric diabetes and type 2 diabetes mellitus. Her diagnostic expertise includes thyroid hormone testing and comprehensive blood work to monitor patient health. Patients have given her an average rating of 4.0, reflecting their confidence in her care.

Overview based on verified provider data

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

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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, MD
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Dr. Barbara Gredysa, MDDr. Gabrielle Paula Grinstein, MDDr. Nathan ZeidanDr. Andrey Moiseyenko
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
4.9 
20 Years of Experience 32 Years of Experience 5 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Southampton , NYNew York , NYSouthampton , NYSouthampton , NY
Med School: THE SCHOOL OF MEDICINE AT STONY BROOK UNIVERSITY MEDICAL CENTER Med School: Universidad De Buenos Aires Med School: West Virginia School 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

Dr. Barbara Gredysa holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2026.

Education & Training

Residency

Completed their residency at Suny.

Medical School

Graduated from THE SCHOOL OF MEDICINE AT STONY BROOK UNIVERSITY MEDICAL CENTER in 2008 and Wroclaw Medical University in 2006.

NPI Number

Dr. Gredysa's NPI number is 1457678500.

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Frequently Asked Questions

Which hospitals is Dr. Barbara Gredysa affiliated with?
Dr. Barbara Gredysa is affiliated with STONY BROOK UNIVERSITY HOSPITAL.
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 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.
Where is Dr. Barbara Gredysa's office located?
Dr. Barbara Gredysa's office is located at 240 Meeting House Ln, Southampton, NY, 11968.
Does Dr. Barbara Gredysa accept my insurance?
You can see the insurance plans that Dr. Barbara Gredysa accepts on their Vitals profile.

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