Dr. Antoinette Mason MD
About this NPIWhat this record shows.
NPI 1225534183 is registered to Dr. Antoinette Mason MD, a Family Medicine practising at 34 Mark West Springs Rd in Santa Rosa, California. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Dr. Antoinette Mason MD has been enumerated in the National Provider Identifier (NPI) registry since 2018.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- A164014CA· Issued by STATE MEDICAL LICENSE
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20211029002301Family PracticeCA
Source: CMS PECOS public enrollment file.
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 Dr. Antoinette Mason MD accepts. To confirm in-network status with your specific health plan, contact Dr. Antoinette Mason MD directly at (707) 303-3600.
Frequently asked
Yes. NPI 1225534183 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
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) 303-3600.
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. Dr. Antoinette Mason MD is a Type-1 individual NPI.