Dr. Peter Grimes, MD

With 19 years of practice, Dr. Peter Grimes is an established emergency medicine provider, MD, after earning their medical degree at University Of California, Irvine, California College Of Medicine in 1991. Dr. currently practices across 2 facilities, including Southern California Permanente Medical Group in Downey, California. Their National Provider Identifier (NPI) is 1518181866, 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. Peter Grimes as a lower-volume emergency medicine provider, treating approximately 17 Medicare beneficiaries and delivering 17 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.