Dr. Margaret Brennan, MD

In their first decade of practice, Dr. Margaret Brennan represents the newer generation of family practice providers, MD, after earning their medical degree at University Of Missouri, Columbia School Of Medicine in 2020. Dr. currently practices across 2 facilities, including Urology Of St. Louis, Inc in Saint Louis, Missouri. Their National Provider Identifier (NPI) is 1164048500, 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. Margaret Brennan as a lower-volume family practice provider, treating approximately 65 Medicare beneficiaries and delivering 129 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. Margaret Brennan received $40 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.