WYNN MEDICAL CENTER INTERNAL MEDICINE WESTMINSTER
NPI 1285451450
Internal Medicine in Westminster, CA

Q: What is Wynn Medical Center Internal Medicine Westminster's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since September 20, 2024

9024 BOLSA AVE, WESTMINSTER, CA 92683(714) 899-2911(714) 899-2150 Get Directions Write a Review

NPPES record last updated: July 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 28, 2025, Sep 20, 2024 (2 updates tracked since 2024).

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About Wynn Medical Center Internal Medicine Westminster NPPES

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

WYNN MEDICAL CENTER INTERNAL MEDICINE WESTMINSTER (NPI 1285451450), doing business as Wynn Medical Center, is a healthcare organization registered as an internal medicine in Westminster, California and active in the NPI registry since September 2024. The organization lists Huynh W Tran, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1285451450

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameWYNN MEDICAL CENTER INTERNAL MEDICINE WESTMINSTER

Location Address9024 BOLSA AVEWestminster, CA 92683-5531

Mailing Address9024 Bolsa AveWestminster, CA 92683-5531 · (714) 899-2911

Phone(714) 899-2911

Fax(714) 899-2150

Organization SubpartNo

Authorized OfficialHuynh W TranPresident/ceo · (714) 899-2911

Enumeration DateSeptember 20, 2024

Last NPPES UpdateJuly 27, 20252 updates tracked since enumeration

NPPES CertifiedJuly 27, 2025

✔ NPI 1285451450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X

9024 BOLSA AVE, Westminster, CA 92683

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Other Names 1

Doing Business AsWynn Medical Center

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Wynn Medical Center Internal Medicine Westminster is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 5 clinicians reassign Medicare billing to Wynn Medical Center Internal Medicine Westminster, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Thuan Vo, M.D.

Internal Medicine

NPI 1366434748

9024 BOLSA AVE
Westminster, CA 92683

(714) 899-2911

✔ PECOSSame address

Tracy Tran, DO

Internal Medicine

NPI 1184893133

17100 EUCLID ST
Fountain Valley, CA 92708

(714) 966-7200

✔ PECOS✔ Accepts Medicare2.9 mi

Anh Thu Pham

Nurse Practitioner

NPI 1144049800

9778 KATELLA AVE STE 106
Anaheim, CA 92804

(714) 867-6594

✔ PECOS4.0 mi

Tri Vo, MD

General Practice

NPI 1407907744

10107 VALLEY BLVD
El Monte, CA 91731

(626) 443-9050

✔ PECOS✔ Accepts Medicare23 mi

Huynh Tran, MD, DPD

Internal Medicine

NPI 1649566571

9126 VALLEY BLVD STE B
Rosemead, CA 91770

(626) 573-9003

✔ PECOS✔ Accepts Medicare24 mi

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 Wynn Medical Center Internal Medicine Westminster's NPI number?

The NPI number for Wynn Medical Center Internal Medicine Westminster is 1285451450. It was assigned to this organization in the NPPES registry on September 20, 2024. The provider is doing business as Wynn Medical Center.

Where is Wynn Medical Center Internal Medicine Westminster located?

Wynn Medical Center Internal Medicine Westminster is located at 9024 Bolsa Ave, Westminster, CA 92683. The listed phone number is (714) 899-2911.

What is Wynn Medical Center Internal Medicine Westminster's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Wynn Medical Center Internal Medicine Westminster enrolled in Medicare?

Yes. Wynn Medical Center Internal Medicine Westminster is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Wynn Medical Center Internal Medicine Westminster?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Wynn Medical Center Internal Medicine Westminster. 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. The largest specialties are Internal Medicine (3), General Practice (1) and Nurse Practitioner (1). Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Wynn Medical Center Internal Medicine Westminster was last updated on July 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.