Dr. Leonard Mason, MD

With 19 years of practice, Dr. Leonard Mason is an established general surgery provider, MD, after earning their medical degree at Temple University School Of Medicine in 2007. Dr. currently practices across 2 facilities, including Christiana Care Quality Partners in Newark, Delaware. Their National Provider Identifier (NPI) is 1114122355, 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. Leonard Mason as a lower-volume general surgery provider, treating approximately 278 Medicare beneficiaries and delivering 452 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. Leonard Mason received $149 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.