LONG THAO, M.D. INC.
NPI 1568705481
Family Medicine in Merced, CA

Q: What is Long Thao, M.D. Inc.'s NPI number?

The NPI number for Long Thao, M.D. Inc. is 1568705481. It was assigned to this organization in the NPPES registry on March 28, 2013.

Q: What is Long Thao, M.D. Inc.'s specialty?

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

Active since March 28, 2013CLIA 05D0944378 · Waiver

700 W OLIVE AVE, SUITE A, MERCED, CA 95348(209) 384-8426(209) 384-8015 Get Directions Write a Review

NPPES record last updated: March 28, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Long Thao, M.d. Inc. NPPES

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

LONG THAO, M.D. INC. (NPI 1568705481) is a healthcare organization registered as a family medicine in Merced, California and active in the NPI registry since March 2013. The organization holds a CLIA Waiver certificate valid through April 9, 2028 and lists Seng Thao, Manager, as its authorized official.

NPPES Registry Identity

NPI1568705481

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameLONG THAO, M.D. INC.

Location Address700 W OLIVE AVE, SUITE AMerced, CA 95348-2435

Mailing Address700 W Olive Ave, Suite AMerced, CA 95348-2435 · (209) 384-8426 · Fax (209) 384-8015

Phone(209) 384-8426

Fax(209) 384-8015

Organization SubpartNo

Authorized OfficialSeng ThaoManager · (209) 384-8426

Enumeration DateMarch 28, 2013

✔ NPI 1568705481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · G66867

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.

700 W OLIVE AVE, Merced, CA 95348

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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Long Thao, M.d. Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Long Thao, M.D. Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Long Thao, M.D.

Family Practice

NPI 1245341445

700 W OLIVE AVE SUITE A
Merced, CA 95348

(209) 384-8426

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 05D0944378

Long Thao, MD Inc · Merced, CA

Active · expires Apr 9, 2028

CLIA Number05D0944378

Laboratory TypePhysician Office

Certificate Effective DateApril 10, 2026

Certificate Expiration DateApril 9, 2028

Laboratory DirectorLong Thao, MD

Laboratory Phone(209) 384-8426

Laboratory LocationLong Thao, MD Inc700 W Olive Ave Ste H, Merced, CA 95348

CLIA data matches this NPI record on: Address 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 Long Thao, M.D. Inc.'s NPI number?

The NPI number for Long Thao, M.D. Inc. is 1568705481. It was assigned to this organization in the NPPES registry on March 28, 2013.

Where is Long Thao, M.D. Inc. located?

Long Thao, M.D. Inc. is located at 700 W Olive Ave Suite A, Merced, CA 95348. The listed phone number is (209) 384-8426.

What is Long Thao, M.D. Inc.'s specialty?

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

Is Long Thao, M.D. Inc. enrolled in Medicare?

Yes. Long Thao, M.D. Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Long Thao, M.D. Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Long Thao, M.D. Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Long Thao, M.D. Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0944378) is associated with this NPI, valid through April 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Long Thao, M.D. Inc. was last updated on March 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.