Dr. Guillermo Mantilla, M.D.

With 19 years of practice, Dr. Guillermo Mantilla is an established hospitalist provider, M.D., after earning their medical degree at Other in 1997. Dr. currently practices at Sutter Valley Medical Foundation in Carmichael, California. Their National Provider Identifier (NPI) is 1326234816, 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. Guillermo Mantilla as a lower-volume hospitalist provider, treating approximately 359 Medicare beneficiaries and delivering 381 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.