Dr. Rachel Mallalieu, D.O.

With 20 years of practice, Dr. Rachel Mallalieu is an established emergency medicine provider, D.O., after earning their medical degree at Philadelphia College Of Osteopathic Medicine in 2002. Dr. currently practices across 6 facilities, including Medstar Franklin Square Medical Center in Rosedale, Maryland. Their National Provider Identifier (NPI) is 1083629885, 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. Rachel Mallalieu as a lower-volume emergency medicine provider, treating approximately 173 Medicare beneficiaries and delivering 688 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.