Our Doctors

Dr. Ilya Kleyn, MD

Dr. Ilya Kleyn, MD

Internal Medicine, Geriatrics, Functional Medicine

Brooklyn, NY

Dr. Ilya Kleyn integrates traditional internal medicine with functional and alternative therapies. He emphasizes balanced nutrition, liver detoxification, and natural healing to manage conditions like high cholesterol, diabetes, and obesity through individualized, non-invasive treatments. He has 33 years of experience and sees patients in English, Spanish, Russian, and Turkish.

Book an appointment at NYC Medical Doctors, or call (347) 689-8880.