Sarah Fishman MD PhD PC, also known as Premier Endocrine, is a New York City medical practice led by endocrinologist Dr. Sarah Fishman. Located at the border of Midtown Manhattan and the Upper East Side, the practice provides care for adults, with telehealth appointments available. Dr. Fishman has training in internal medicine and endocrinology and certifications in obesity medicine and clinical nutrition support. Her approach emphasizes individualized, collaborative care and helping patients take an informed role in their health.

The practice evaluates and treats diabetes, insulin resistance, thyroid disease, osteoporosis, adrenal and pituitary disorders, reproductive conditions including PCOS, and calcium disorders. Services also include weight management, metabolic analysis, continuous glucose monitoring analysis, and body sculpting. For diabetes care, the team may use technologies such as glucose monitors and insulin pumps, with remote monitoring in appropriate cases. Patients can access appointment scheduling, a patient portal, prescription refill requests, forms, and insurance information online.