HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

MARLON C DECASTRO, MD

INTERNAL MEDICINE

Graduated: 1997

Offers telehealth

NPI: 1780643270

Practice Locations (1)

PROVIDENCE MEDICAL FOUNDATION

500 DOYLE PARK DR, SUITE 303

SANTA ROSA, CA 954054559

7073038300

Source: CMS National Downloadable File, September 2026.