Mary Walter, RN/NP, PMHNP-BC

With 13 years of practice, Mary Walter is an established nurse practitioner provider, RN/NP, PMHNP-BC, after earning their medical degree at Other in 2013. Mary currently practices across 2 facilities, including Omar F. Ahmad, M.d., P.c. in Prince Frederick, Maryland. Their National Provider Identifier (NPI) is 1023449642, 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 Mary Walter as a lower-volume nurse practitioner provider, treating approximately 154 Medicare beneficiaries and delivering 684 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 Mary Walter received $346 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.