STEVEN WU M.D.
NPI 1275745515
Internal Medicine - Gastroenterology in Hacienda Heights, CA

Q: What is Shang Wu M.D., Inc.'s NPI number?

The NPI number for Shang Wu M.D., Inc. is 1275745515. It was assigned to this organization in the NPPES registry on May 7, 2007. The provider is doing business as Steven Wu M.D..

Q: What is Shang Wu M.D., Inc.'s specialty?

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

Active since May 07, 2007CLIA 05D2150079 · Waiver

3141 S HACIENDA BLVD, HACIENDA HEIGHTS, CA 91745(626) 937-6663(626) 937-6653 Get Directions Write a Review

NPPES record last updated: May 22, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Steven Wu M.d. NPPES

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

STEVEN WU M.D. (NPI 1275745515) is a healthcare organization registered as a gastroenterology in Hacienda Heights, California and active in the NPI registry since May 2007. The organization holds a CLIA Waiver certificate valid through June 14, 2028 and lists Shang Cheng Wu, Ceo, as its authorized official.

NPPES Registry Identity

NPI1275745515

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameSHANG WU M.D., INC.

Location Address3141 S HACIENDA BLVDHacienda Heights, CA 91745-6304

Mailing Address3141 S Hacienda BlvdHacienda Heights, CA 91745-6304 · (626) 937-6663 · Fax (626) 937-6653

Phone(626) 937-6663

Fax(626) 937-6653

Organization SubpartNo

Authorized OfficialShang Cheng WuCeo · (626) 937-6663

Enumeration DateMay 7, 2007

Last NPPES UpdateMay 22, 2023

NPPES CertifiedMay 22, 2023

✔ NPI 1275745515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.

Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X

3141 S HACIENDA BLVD, Hacienda Heights, CA 91745

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Other Names 1

Doing Business AsSteven Wu M.d.

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)

Steven Wu M.d. 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 Steven Wu M.D., which bills Medicare for the services this clinician delivers.

Clinician (1)

Shang Wu, M.D.

Gastroenterology

NPI 1336228253

3141 S HACIENDA BLVD
Hacienda Heights, CA 91745

(626) 937-6663

✔ 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 05D2150079

Shang Wu, M.D. Inc. · Hacienda Heights, CA

Active · expires Jun 14, 2028

CLIA Number05D2150079

Laboratory TypePhysician Office

Certificate Effective DateJune 15, 2026

Certificate Expiration DateJune 14, 2028

Laboratory DirectorShang Wu, MD

Laboratory Phone(626) 937-6663

Laboratory LocationShang Wu, M.D. Inc.3141 S Hacienda Blvd, Hacienda Heights, CA 91745

CLIA data matches this NPI record on: Address Name 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 Shang Wu M.D., Inc.'s NPI number?

The NPI number for Shang Wu M.D., Inc. is 1275745515. It was assigned to this organization in the NPPES registry on May 7, 2007. The provider is doing business as Steven Wu M.D..

Where is Shang Wu M.D., Inc. located?

Shang Wu M.D., Inc. is located at 3141 S Hacienda Blvd, Hacienda Heights, CA 91745. The listed phone number is (626) 937-6663.

What is Shang Wu M.D., Inc.'s specialty?

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

Is Shang Wu M.D., Inc. enrolled in Medicare?

Yes. Shang Wu M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Shang Wu M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Shang Wu 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 Shang Wu M.D., Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2150079) is associated with this NPI, valid through June 14, 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 Shang Wu M.D., Inc. was last updated on May 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.