Dr. Nicholas Mayer, D.O.

With 18 years of practice, Dr. Nicholas Mayer is an established internal medicine provider, D.O., after earning their medical degree at At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 2004. Dr. currently practices across 2 facilities, including American Multispecialty Group Inc in Florissant, Missouri. Their National Provider Identifier (NPI) is 1104075597, 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. Nicholas Mayer as a lower-volume internal medicine provider, treating approximately 263 Medicare beneficiaries and delivering 970 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. Nicholas Mayer received $185 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.