Joshua H Rassen MD INC
About this NPIWhat this record shows.
NPI 1619512548 is registered to Joshua H Rassen MD INC, a healthcare organisation classified as "Internal Medicine" and located at 181 Andrieux St Ste 202 in Sonoma, California. The organisation's authorised official is Joshua Rassen. The organisation has been enumerated in the NPI registry since 2019.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Joshua H Rassen MD INC accepts. To confirm in-network status with your specific health plan, contact Joshua H Rassen MD INC directly at (707) 933-0500.
Frequently asked
Yes. NPI 1619512548 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (707) 933-0500.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Joshua H Rassen MD INC is a Type-2 organisational NPI.