Tammy Nguyen D.O.
About this NPIWhat this record shows.
NPI 1699113829 is registered to Tammy Nguyen D.O., a Family Medicine practising at 1421 E 17th St in Santa Ana, California. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Tammy Nguyen D.O. has been enumerated in the National Provider Identifier (NPI) registry since 2013.
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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 Tammy Nguyen D.O. accepts. To confirm in-network status with your specific health plan, contact Tammy Nguyen D.O. directly at (714) 254-2747.
Frequently asked
Yes. NPI 1699113829 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 (714) 254-2747.
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. Tammy Nguyen D.O. is a Type-1 individual NPI.