Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Pacific Alliance Medical Group

Q: What is the NPI number for Pacific Alliance Medical Group?

The NPI for Pacific Alliance Medical Group is 1487644027, a Type 2 (organization) record in the CMS NPPES registry.

Diagnostic Radiology Physician in Los Angeles, CA · enumerated 2005 · authorized official William Chu, Radiologist.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1487644027

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Registry record

Entity type Organization (Type 2)

Legal business name Pacific Alliance Medical Group

Practice address 531 W College St, Los Angeles, CA, 90012

Phone (213) 683-9336

Enumeration date Oct 25, 2005

Last updated in NPPES Jun 13, 2008

Taxonomy & classification

2085B0100X Body Imaging Physician Allopathic & Osteopathic Physicians · License A38858 (CA) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License A38858 (CA) Primary

2085U0001X Diagnostic Ultrasound Physician Allopathic & Osteopathic Physicians · License A38858 (CA) Secondary

Authorized official

Name William Chu

Title Radiologist

Phone (626) 821-1411

Other identifiers

Identifier	Type	State	Issuer
00A388580	Medicaid	CA	-
00A388580	Other	CA	BLUE SHIELD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Who is the authorized official for Pacific Alliance Medical Group?

NPPES lists William Chu (Radiologist) as the authorized official for this organization.

What is the NPI number for Pacific Alliance Medical Group?

The NPI for Pacific Alliance Medical Group is 1487644027, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-13.