Dr. John Oconnor, MD

With 21 years of practice, Dr. John Oconnor is an established neurology provider, MD, after earning their medical degree at University Of Chicago, Pritzker School Of Medicine in 1986. Their National Provider Identifier (NPI) is 1437157203, 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 Oconnor as a moderate-volume neurology provider, treating approximately 543 Medicare beneficiaries and delivering 1K services in the most recent reporting year. That panel size indicates balanced experience across typical Medicare conditions.