Dr. Barbara Gredysa is an endocrinologist with particular interest in diabetes, thyroid and parathyroid disease. She graduated Summa cum Laude from Wroclaw Medical University in Wroclaw, Poland and continued her medical training at Stony Brook University Medical Center where she completed residency in internal medicine and fellowship in endocrinology. Dr. Gredysa was the founder of Peconic Endocrinology, PC, an endocrinology practice on the east end of Long Island, where she served her local community with compassion and dedication. She is a member of American Association of Clinical Endocrinologists and is certified in neck ultrasound through its ECNU program.