Dr. Thomas Marston, MD

With 10 years of practice, Dr. Thomas Marston is an established internal medicine provider, MD, after earning their medical degree at Other in 2016. Dr. currently practices across 8 facilities, including Chandler Regional Medical Center in Chandler, Arizona. Their National Provider Identifier (NPI) is 1487008975, 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. Thomas Marston as a lower-volume internal medicine provider, treating approximately 146 Medicare beneficiaries and delivering 409 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. Thomas Marston received $164 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.