Dr. John Marsh, DO

With 17 years of practice, Dr. John Marsh is an established emergency medicine provider, DO, after earning their medical degree at West Virginia School Of Osteopathic Medicine in 2008. Dr. currently practices across 8 facilities, including Monongalia County General Hospital Company in Morgantown, West Virginia. Their National Provider Identifier (NPI) is 1033444674, 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. John Marsh as a lower-volume emergency medicine provider, treating approximately 311 Medicare beneficiaries and delivering 531 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.