Joanna Tan MD
About this NPIWhat this record shows.
NPI 1861493553 is registered to Joanna Tan MD, a Family Medicine practising at 4300 Rose Dr in Yorba Linda, California. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Joanna Tan MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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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 Joanna Tan MD accepts. To confirm in-network status with your specific health plan, contact Joanna Tan MD directly at (714) 528-4211.
Frequently asked
Yes. NPI 1861493553 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) 528-4211.
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. Joanna Tan MD is a Type-1 individual NPI.