Mariann Alperin, M.D., M.S.

With 19 years of practice, Mariann Alperin is an established obstetrics/gynecology provider, M.D., M.S., after earning their medical degree at Saint Louis University School Of Medicine in 2001. Mariann currently practices across 3 facilities, including Regents Of The University Of California in La Jolla, California. Their National Provider Identifier (NPI) is 1033266879, 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 Mariann Alperin as a lower-volume obstetrics/gynecology provider, treating approximately 177 Medicare beneficiaries and delivering 3K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Mariann Alperin received $9K in industry payments in 2023. Payments at this scale are in line with specialist-level consulting and speaker-program participation.