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TERESITA E. TAN, M.D. INC
NPI 1023282605
Clinic/Center - Primary Care in Los Angeles, CA

Active since April 15, 2008CLIA 05D0704666 · Waiver
244 S OXFORD AVE STE 9, LOS ANGELES, CA 90004(213) 382-1770(213) 382-1895 Get Directions Write a Review

NPPES record last updated: April 15, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Teresita E. Tan, M.d. Inc NPPES

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

TERESITA E. TAN, M.D. INC (NPI 1023282605) is a healthcare organization registered as a primary care in Los Angeles, California and active in the NPI registry since April 2008. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Teresita E. Tan, Doctor, as its authorized official.

NPPES Registry Identity

NPI1023282605
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameTERESITA E. TAN, M.D. INC
Location Address244 S OXFORD AVE STE 9Los Angeles, CA 90004-5126
Mailing Address244 S Oxford Ave Ste 9Los Angeles, CA 90004-5126 · (213) 382-1770 · Fax (213) 382-1895
Phone(213) 382-1770
Fax(213) 382-1895
Organization SubpartNo
Authorized OfficialTeresita E. TanDoctor · (213) 382-1770
Enumeration DateApril 15, 2008
✔ NPI 1023282605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in CA · A40376
244 S OXFORD AVE STE 9, Los Angeles, CA 90004
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINA40376CA
Medicaid00A403760CA
Other1396835633CA · Individual Npi

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 05D0704666

Teresita E Tan MD · Los Angeles, CA
Active · expires Aug 31, 2026
CLIA Number05D0704666
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorTeresita E. Tan
Laboratory Phone(213) 382-1770
Laboratory LocationTeresita E Tan MDOxford Med Clinic 244 S Oxford Av #9, Los Angeles, CA 90004
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Teresita E. Tan, M.D. Inc's NPI number?

The NPI number for Teresita E. Tan, M.D. Inc is 1023282605. It was assigned to this organization in the NPPES registry on April 15, 2008.

Where is Teresita E. Tan, M.D. Inc located?

Teresita E. Tan, M.D. Inc is located at 244 S Oxford Ave Ste 9, Los Angeles, CA 90004. The listed phone number is (213) 382-1770.

What is Teresita E. Tan, M.D. Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Does Teresita E. Tan, M.D. Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0704666) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Teresita E. Tan, M.D. Inc was last updated on April 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.