Dr. Martin Greenfield, MD

With 21 years of practice, Dr. Martin Greenfield is an established endocrinology provider, MD, after earning their medical degree at State University Of New York Downstate Medical Center in 1968. Dr. currently practices at North Shore - Lij Medical Pc in New Hyde Park, New York. Their National Provider Identifier (NPI) is 1205831443, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

CMS Medicare data shows Dr. Martin Greenfield as a moderate-volume endocrinology provider, treating approximately 509 Medicare beneficiaries and delivering 9K services in the most recent reporting year. That panel size indicates balanced experience across typical Medicare conditions.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Martin Greenfield received $196 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.