Dr. Doriann Klaassen, MD

In their first decade of practice, Dr. Doriann Klaassen represents the newer generation of endocrinology providers, MD, after earning their medical degree at Other in 2018. Dr. currently practices across 2 facilities, including Cape Cod Orthopedics And Sports Medicine Pc in Hyannis, Massachusetts. Their National Provider Identifier (NPI) is 1043721632, 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.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Doriann Klaassen received $37 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.