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PORTOLA DIRECT PRIMARY CARE
NPI 1366747586
Family Medicine in Irvine, CA

Active since January 19, 2011CLIA 05D2135441 · Waiver
3943 IRVINE BLVD, PMB 136, IRVINE, CA 92602(949) 346-4456 Get Directions Write a Review

NPPES record last updated: August 2, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Portola Direct Primary Care NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PORTOLA DIRECT PRIMARY CARE (NPI 1366747586) is a healthcare organization registered as a family medicine in Irvine, California and active in the NPI registry since January 2011. The organization holds a CLIA Waiver certificate valid through August 21, 2027 and lists Chai-yung J Tsai, President, as its authorized official.

NPPES Registry Identity

NPI1366747586
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameCHAI-YUNG J. TSAI, M.D. A PROFESSIONAL CORPORATION
Location Address3943 IRVINE BLVD, PMB 136Irvine, CA 92602-2400
Mailing Address3943 Irvine Blvd, Pmb 136Irvine, CA 92602-2400
Phone(949) 346-4456
Organization SubpartNo
Authorized OfficialChai-yung J TsaiPresident · (949) 346-4456
Enumeration DateJanuary 19, 2011
Last NPPES UpdateAugust 2, 2016
✔ NPI 1366747586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3943 IRVINE BLVD, Irvine, CA 92602
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Other Names 1

Doing Business AsPortola Direct Primary Care

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2135441

Portola Direct Primary Care · Irvine, CA
Active · expires Aug 21, 2027
CLIA Number05D2135441
Laboratory TypePhysician Office
Certificate Effective DateAugust 22, 2025
Certificate Expiration DateAugust 21, 2027
Laboratory DirectorChai Tsai, MD
Laboratory Phone(949) 346-4456
Laboratory LocationPortola Direct Primary Care1190 Roosevelt Suite 100, Irvine, CA 92620
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LIFE VISION CLINICAL GROUP CORPORATION
Social Worker (Clinical)
3943 IRVINE BLVD, #261
IRVINE, CA 92602
Orange County (714) 291-4307
DR. MICHELLE LYNETTE VORWERK PSY.D.
Psychologist
3943 IRVINE BLVD, #321
IRVINE, CA 92602
Orange County (949) 892-9800
VENTURA MEDICAL, INC
Internal Medicine
3943 IRVINE BLVD, SUITE 120
IRVINE, CA 92602
Orange County (949) 900-6992

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chai-Yung J. Tsai, M.D. A Professional Corporation's NPI number?

The NPI number for Chai-Yung J. Tsai, M.D. A Professional Corporation is 1366747586. It was assigned to this organization in the NPPES registry on January 19, 2011. The provider is doing business as Portola Direct Primary Care.

Where is Chai-Yung J. Tsai, M.D. A Professional Corporation located?

Chai-Yung J. Tsai, M.D. A Professional Corporation is located at 3943 Irvine Blvd Pmb 136, Irvine, CA 92602. The listed phone number is (949) 346-4456.

What is Chai-Yung J. Tsai, M.D. A Professional Corporation's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Does Chai-Yung J. Tsai, M.D. A Professional Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2135441) is associated with this NPI, valid through August 21, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Chai-Yung J. Tsai, M.D. A Professional Corporation was last updated on August 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.