Dr. Holly O'brien, MD

In their first decade of practice, Dr. Holly O'brien represents the newer generation of internal medicine providers, MD, after earning their medical degree at University Of South Florida College Of Medicine in 2017. Dr. currently practices across 3 facilities, including H Lee Moffitt Cancer Ctr And Res Inst Life Time Cancer Scrn Ctr Inc in Tampa, Florida. Their National Provider Identifier (NPI) is 1023540184, 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. Holly O'brien's practice is located in ZIP 33612 (Tampa, Florida), which has an overall CartoChrome Healthcare Access Score of 64/100 (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. Holly O'brien as a lower-volume internal medicine provider, treating approximately 78 Medicare beneficiaries and delivering 213 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.