Dr. Margaret Williamson, MD

With 19 years of practice, Dr. Margaret Williamson is an established emergency medicine provider, MD, after earning their medical degree at University Of Virginia School Of Medicine in 2007. Dr. currently practices across 10 facilities, including Advocate Christ Hospital & Medical Center in Oak Lawn, Illinois. Their National Provider Identifier (NPI) is 1154514867, 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 Williamson as a lower-volume emergency medicine provider, treating approximately 359 Medicare beneficiaries and delivering 382 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 Williamson received $16 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.