Dr. John Carter, MD

With 20 years of practice, Dr. John Carter is an established neurology provider, MD, after earning their medical degree at State University Of Ny Upstate Medical University in 1969. Dr. currently practices across 2 facilities, including in San Antonio, Texas. Their National Provider Identifier (NPI) is 1548377526, 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.

Dr. John Carter's practice is located in ZIP 78229 (San Antonio, Texas), which has an overall CartoChrome Healthcare Access Score of 63/100 (Moderate Access). Access to care in this area is moderate — most services are reachable but with meaningful variability by specialty.

CMS Medicare data shows Dr. John Carter as a lower-volume neurology provider, treating approximately 84 Medicare beneficiaries and delivering 138 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. John Carter received $65 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.