Dr. Janna Massar, MD

With 20 years of practice, Dr. Janna Massar is an established internal medicine provider, MD, after earning their medical degree at University Of Texas Medical Branch At Galveston in 1996. Dr. currently practices across 2 facilities, including in Plano, Texas. Their National Provider Identifier (NPI) is 1972516961, 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. Janna Massar's practice is located in ZIP 75093 (Plano, Texas), which has an overall CartoChrome Healthcare Access Score of 54/100 (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. Janna Massar as a lower-volume internal medicine provider, treating approximately 122 Medicare beneficiaries and delivering 11K 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. Janna Massar received $115 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.