Dr. Nnenna Onwumere, MD

In their first decade of practice, Dr. Nnenna Onwumere represents the newer generation of internal medicine providers, MD, after earning their medical degree at Other in 2011. Dr. currently practices across 4 facilities, including Camden Clark Medical Center in Parkersburg, West Virginia. Their National Provider Identifier (NPI) is 1255952016, 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. Nnenna Onwumere as a lower-volume internal medicine provider, treating approximately 107 Medicare beneficiaries and delivering 319 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. Nnenna Onwumere received $95 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.