Dr. John Maher, M.D.

With 20 years of practice, Dr. John Maher is an established obstetrics/gynecology provider, M.D., after earning their medical degree at Rutgers New Jersey Medical School in 1989. Dr. currently practices at Harooni And Sheindlin Md Pc in Brooklyn, New York. Their National Provider Identifier (NPI) is 1437238581, 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. John Maher as a lower-volume obstetrics/gynecology provider, treating approximately 60 Medicare beneficiaries and delivering 120 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 Dr. John Maher received $97 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.