William Sullivan

With 20 years of practice, William Sullivan is an established allergy/immunology provider after earning their medical degree at University Of Alabama School Of Medicine in 1987. William currently practices across 2 facilities, including Mississippi Asthma And Allergy Clinic Pa in Jackson, Mississippi. Their National Provider Identifier (NPI) is 1033177894, 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 William Sullivan as a lower-volume allergy/immunology provider, treating approximately 27 Medicare beneficiaries and delivering 380 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 William Sullivan received $1K in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.