Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Chai-Yung J. Tsai, MD a Professional Corporation

Organization Family Medicine Physician · NPI 1366747586

Chai-Yung J. Tsai, MD a Professional Corporation is a Family Medicine Physician in Irvine, California. Registered with an NPI since 2011.

In the registry since
2011

Practice location Address checks out

3943 Irvine Blvd Pmb 136
Irvine, CA 92602-2400
Phone: (949) 346-4456
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1366747586
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Chai-Yung Tsai — President · (949) 346-4456
Other names Portola Direct Primary Care
NPI enumeratedJanuary 19, 2011
Last updated in NPPESAugust 2, 2016
Mailing address3943 Irvine Blvd, Pmb 136, Irvine, CA 92602-2400

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