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Personal Statement

I believe that effective medical care requires a comprehensive patient evaluation in a comfortable and friendly environment. I take the time to listen to my patients, making sure their needs are met and their concerns are addressed. I always try to explain medical complexities in understandable terms, and I work hard to ensure the best possible results. I am surrounded by staff and colleagues who share the same commitment. 

Specialties and Expertise


  • Endocrinology, Diabetes and Metabolism

  • Weight Management / Obesity Medicine


  • Weight Loss

  • Obesity

  • Post Bariatric Surgery Weight Regain

  • Post Bariatric Surgery Inadequate Weight Loss

  • Bariatric Medicine (Weight Loss)

  • Type 2 Diabetes Mellitus

  • Pre-Diabetes

  • Metabolic Syndrome

  • PCOS (Polycystic Ovarian Syndrome)

  • Insulin Resistance

  • Thyroid Disorders

  • Hypothyroidism


Leon I. Igel, MD, FACP, FTOS, DABOM is the Chief Medical Officer for Intellihealth. He is also a Clinical Assistant Professor of Medicine in the Division of Endocrinology, Diabetes and Metabolism at Weill Cornell Medicine, and an Attending Endocrinologist at NewYork-Presbyterian Hospital/Weill Cornell Medical Center. He was previously the Director of Weill Cornell's West Side division of the Comprehensive Weight Control Center, as well as the former Program Director for Weill Cornell's Obesity Medicine and Obesity Medicine/Bariatric Endoscopy fellowships.


Dr. Igel specializes in the care of patients with obesity and a broad spectrum of associated endocrine conditions. Dr. Igel's primary areas of expertise include: Weight management, post-bariatric surgery care (including treatment of inadequate weight loss or weight regain after surgery), type 2 diabetes, polycystic ovarian syndrome (PCOS), and disorders of the thyroid (hypothyroidism).

Dr. Igel graduated from the Albert Einstein College of Medicine with a M.D. degree with special distinction in Endocrinology, Diabetes & Metabolism. He completed his Internal Medicine residency at NewYork-Presbyterian/Weill Cornell Medical Center, where he served as ambulatory chief resident. He subsequently completed a combined Endocrinology, Diabetes & Metabolism fellowship at NewYork-Presbyterian/Weill Cornell Medical Center, Memorial Sloan Kettering Cancer Center, and the Hospital for Special Surgery. 

Dr. Igel is board certified in Internal Medicine, Obesity Medicine, and Endocrinology, Diabetes & Metabolism.

He has lectured and published broadly on the topics of obesity medicine, pharmacotherapy for the treatment of obesity, and obesity-associated endocrine conditions. He is a fellow of The Obesity Society (FTOS), and a fellow of the American College of Physicians (FACP).


Dr. Igel has been selected by his peers to New York Super Doctors® Rising Stars for 2018, 2019, 2020 and 2022. While approximately 5% of the physicians within their respective states are named to Super Doctors, no more than 2.5% are named to the Rising Stars list.

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