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WYNN MEDICAL CENTER GASTROENTEROLOGY
NPI 1467336438
Internal Medicine - Gastroenterology in Rosemead, CA

Active since August 04, 2025
9120 VALLEY BLVD, ROSEMEAD, CA 91770(626) 316-8287(626) 573-0641 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Wynn Medical Center Gastroenterology NPPES

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

WYNN MEDICAL CENTER GASTROENTEROLOGY (NPI 1467336438) is a healthcare organization registered as a gastroenterology in Rosemead, California and active in the NPI registry since August 2025. The organization lists Huynh W Tran, President, as its authorized official.

NPPES Registry Identity

NPI1467336438
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameWYNN MEDICAL CENTER GASTROENTEROLOGY
Location Address9120 VALLEY BLVDRosemead, CA 91770-1920
Mailing Address9120 Valley BlvdRosemead, CA 91770-1920 · (626) 316-8287 · Fax (626) 573-0641
Phone(626) 316-8287
Fax(626) 573-0641
Organization SubpartNo
Authorized OfficialHuynh W TranPresident · (626) 316-8287
Enumeration DateAugust 4, 2025
NPPES CertifiedAugust 4, 2025
✔ NPI 1467336438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
9120 VALLEY BLVD, Rosemead, CA 91770
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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 Gastroenterology 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 Wynn Medical Center Gastroenterology, which bills Medicare for the services this clinician delivers.

Clinician (1)

Steve Nguyen, D.O.
Gastroenterology
NPI 1649357732
9120 VALLEY BLVD
Rosemead, CA 91770
(626) 316-8169
✔ PECOSSame 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 Wynn Medical Center Gastroenterology's NPI number?

The NPI number for Wynn Medical Center Gastroenterology is 1467336438. It was assigned to this organization in the NPPES registry on August 4, 2025.

Where is Wynn Medical Center Gastroenterology located?

Wynn Medical Center Gastroenterology is located at 9120 Valley Blvd, Rosemead, CA 91770. The listed phone number is (626) 316-8287.

What is Wynn Medical Center Gastroenterology's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Wynn Medical Center Gastroenterology enrolled in Medicare?

Yes. Wynn Medical Center Gastroenterology is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Wynn Medical Center Gastroenterology?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Wynn Medical Center Gastroenterology. 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 Wynn Medical Center Gastroenterology was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.