Karen Ma, MD, PHARMD

With 13 years of practice, Karen Ma is an established gastroenterology provider, MD, PHARMD, after earning their medical degree at Other in 2013. Karen currently practices across 6 facilities, including Elmhurst Memorial Hospital in Elmhurst, Illinois. Their National Provider Identifier (NPI) is 1124464789, 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 Karen Ma as a lower-volume gastroenterology provider, treating approximately 367 Medicare beneficiaries and delivering 861 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 Karen Ma received $17 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.