Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

William C. Chu, MD, Incorporated

Diagnostic Radiology Physician in Glendora, CA · enumerated 2006 · authorized official William Chu, President.

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

National Provider Identifier

1639259377

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Registry record

Entity type Organization (Type 2)

Legal business name William C. Chu, MD, Incorporated

Practice address 150 W Route 66, Radiology Department, Glendora, CA, 91740

Phone (626) 335-0231

Fax (626) 821-0406

Enumeration date Oct 17, 2006

Last updated in NPPES Nov 28, 2007

Taxonomy & classification

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians Primary

2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians Secondary

2085U0001X Diagnostic Ultrasound Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name William Chu

Title President

Phone (626) 335-0231

Other identifiers

Identifier	Type	State	Issuer
00A388582	Medicaid	CA	-
00A388582	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.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2007-11-28. Verify at npiregistry.cms.hhs.gov.

Where is William C. Chu, MD, Incorporated located?

The practice location on file with NPPES is in Glendora, CA.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-28.