Dr. John Kazilionis, DO

With 20 years of practice, Dr. John Kazilionis is an established family practice provider, DO, after earning their medical degree at Philadelphia College Of Osteopathic Medicine in 1975. Dr. currently practices at Portland Community Health Center in South Portland, Maine. Their National Provider Identifier (NPI) is 1114941937, 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. John Kazilionis as a lower-volume family practice provider, treating approximately 108 Medicare beneficiaries and delivering 356 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.