Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WYNN MEDICAL CENTER RHEUMATOLOGY-DERMATOLOGY
NPI 1427806272
Internal Medicine - Rheumatology in Rosemead, CA

Q: What is Wynn Medical Center Rheumatology-Dermatology's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Active since May 07, 2024

9120 VALLEY BLVD, ROSEMEAD, CA 91770(626) 316-8169(626) 573-0641 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 16, 2026, May 7, 2024 (2 updates tracked since 2024).

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About Wynn Medical Center Rheumatology-dermatology NPPES

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

WYNN MEDICAL CENTER RHEUMATOLOGY-DERMATOLOGY (NPI 1427806272) is a healthcare organization registered as a rheumatology in Rosemead, California and active in the NPI registry since May 2024. The organization lists Huynh Tran, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1427806272

Entity TypeOrganization

Primary Taxonomy207RR0500X

Legal Business NameWYNN MEDICAL CENTER RHEUMATOLOGY-DERMATOLOGY

Location Address9120 VALLEY BLVDRosemead, CA 91770-1920

Mailing Address9120 Valley BlvdRosemead, CA 91770-1920 · (626) 316-8169 · Fax (626) 573-9003

Phone(626) 316-8169

Fax(626) 573-0641

Organization SubpartNo

Authorized OfficialHuynh TranPresident/ceo · (616) 990-0782

Enumeration DateMay 7, 2024

Last NPPES UpdateOctober 16, 20262 updates tracked since enumeration

NPPES CertifiedOctober 16, 2026

✔ NPI 1427806272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedDermatologyTaxonomy 207N00000X

9120 VALLEY BLVD, Rosemead, CA 91770

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Other Names 2

Doing Business AsWynn Medical Center Rheumatology-dermatology

Doing Business AsWynn Medical Center

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 Rheumatology-dermatology is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Wynn Medical Center Rheumatology-Dermatology, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Huynh Tran, MD, DPD

Internal Medicine

NPI 1649566571

9126 VALLEY BLVD STE B
Rosemead, CA 91770

(626) 573-9003

✔ PECOS✔ Accepts MedicareSame address

Tri Vo, MD

General Practice

NPI 1407907744

10107 VALLEY BLVD
El Monte, CA 91731

(626) 443-9050

✔ PECOS✔ Accepts Medicare1.2 mi

Dasom Chun

Nurse Practitioner

NPI 1316627714

3030 W OLYMPIC BLVD STE 206
Los Angeles, CA 90006

(213) 322-2666

✔ PECOS13 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 Rheumatology-Dermatology's NPI number?

The NPI number for Wynn Medical Center Rheumatology-Dermatology is 1427806272. It was assigned to this organization in the NPPES registry on May 7, 2024. The provider is doing business as wynn medical center.

Where is Wynn Medical Center Rheumatology-Dermatology located?

Wynn Medical Center Rheumatology-Dermatology is located at 9120 Valley Blvd, Rosemead, CA 91770. The listed phone number is (626) 316-8169.

What is Wynn Medical Center Rheumatology-Dermatology's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Wynn Medical Center Rheumatology-Dermatology enrolled in Medicare?

Yes. Wynn Medical Center Rheumatology-Dermatology is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Wynn Medical Center Rheumatology-Dermatology?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Wynn Medical Center Rheumatology-Dermatology, in General Practice, Internal Medicine and Nurse Practitioner. 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. Of these, 1 practice at this address and 2 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 Rheumatology-Dermatology was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.