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T MAI PHAN MD INC
NPI 1275835688
Clinic/Center in Westminster, CA

Active since November 18, 2010
9500 BOLSA AVE, SUITE P, WESTMINSTER, CA 92683(714) 775-4400(714) 775-0149 Get Directions Write a Review

NPPES record last updated: November 18, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About T Mai Phan Md Inc NPPES

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

T MAI PHAN MD INC (NPI 1275835688) is a healthcare organization registered as a clinic/center in Westminster, California and active in the NPI registry since November 2010. The organization lists Tuyet-mai Phan, President, as its authorized official.

NPPES Registry Identity

NPI1275835688
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameT MAI PHAN MD INC
Location Address9500 BOLSA AVE, SUITE PWestminster, CA 92683-5943
Mailing Address9500 Bolsa Ave, Suite PWestminster, CA 92683-5943 · (714) 775-4400 · Fax (714) 775-0149
Phone(714) 775-4400
Fax(714) 775-0149
Organization SubpartNo
Authorized OfficialTuyet-mai PhanPresident · (714) 775-4400
Enumeration DateNovember 18, 2010
✔ NPI 1275835688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
9500 BOLSA AVE, Westminster, CA 92683
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Other Identifiers 5

Medicare PING57670BCA
Medicaid00G576702CA
Medicare UPIN63883CA
Medicare PING57670ACA
Medicaid00G576701CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

T Mai Phan Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20101122000908Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to T Mai Phan MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Tuyet-Mai Phan, M.D.
Ophthalmology
NPI 1710900477
9500 BOLSA AVE STE P
Westminster, CA 92683
(714) 775-4400
✔ 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.

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 T Mai Phan MD Inc's NPI number?

The NPI number for T Mai Phan MD Inc is 1275835688. It was assigned to this organization in the NPPES registry on November 18, 2010.

Where is T Mai Phan MD Inc located?

T Mai Phan MD Inc is located at 9500 Bolsa Ave Suite P, Westminster, CA 92683. The listed phone number is (714) 775-4400.

What is T Mai Phan MD Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is T Mai Phan MD Inc enrolled in Medicare?

Yes. T Mai Phan MD Inc is registered in the Medicare PECOS enrollment system.

When is T Mai Phan MD Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through T Mai Phan MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to T Mai Phan MD 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.

When was this NPI record last updated?

The NPPES record for T Mai Phan MD Inc was last updated on November 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.