Dr. Mary Karen Pena, M.D.

With 20 years of practice, Dr. Mary Karen Pena is an established neurology provider, M.D., after earning their medical degree at University Of Puerto Rico School Of Medicine in 1994. Dr. currently practices at in Humacao, Puerto Rico. Their National Provider Identifier (NPI) is 1386746634, 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.

Dr. Mary Karen Pena's practice is located in ZIP 00791 (Humacao, Puerto Rico), which has an overall CartoChrome Healthcare Access Score of 13/100 (Healthcare Desert). Access constraints in this ZIP code can affect wait times, specialist availability, and emergency response — context worth knowing when choosing a provider.

CMS Medicare data shows Dr. Mary Karen Pena as a lower-volume neurology provider, treating approximately 34 Medicare beneficiaries and delivering 57 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. Mary Karen Pena received $256 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.