Dr. Barbara O'brien, DO

With 20 years of practice, Dr. Barbara O'brien is an established family practice provider, DO, after earning their medical degree at At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 2000. Dr. currently practices at Total Access Urgent Care Pc in Ballwin, Missouri. Their National Provider Identifier (NPI) is 1437211794, 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. Barbara O'brien as a lower-volume family practice provider, treating approximately 254 Medicare beneficiaries and delivering 848 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.