Dr. Brendan O'connor, MD

With 16 years of practice, Dr. Brendan O'connor is an established psychiatry provider, MD, after earning their medical degree at Creighton University School Of Medicine in 2010. Dr. currently practices across 5 facilities, including Washington University in Saint Louis, Missouri. Their National Provider Identifier (NPI) is 1114231925, 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. Brendan O'connor as a lower-volume psychiatry provider, treating approximately 32 Medicare beneficiaries and delivering 141 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.