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Bill Chiu, MD

Pediatric Surgery Physician in Palo Alto, CA · enumerated 2010.

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

National Provider Identifier

1891010864

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Registry record

Entity type Individual (Type 1)
Name Bill Chiu
Credential MD
Sex Male
Practice address 725 Welch Rd, Palo Alto, CA, 94304
Phone (650) 497-8000
Enumeration date Apr 2, 2010
Last updated in NPPES Apr 29, 2024

Taxonomy & licenses

2086S0120X Pediatric Surgery Physician Allopathic & Osteopathic Physicians · License C151171 (CA) Primary
208600000X Surgery Physician Allopathic & Osteopathic Physicians · License C151171 (CA) Secondary
2086S0120X Pediatric Surgery Physician Allopathic & Osteopathic Physicians · License 244708 (MA) Secondary
2086S0120X Pediatric Surgery Physician Allopathic & Osteopathic Physicians · License MD433284 (PA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
110086562A Medicaid MA -
1023302780001 Medicaid PA -

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

What is the NPI number for Bill Chiu?
The National Provider Identifier (NPI) for Bill Chiu is 1891010864, a Type 1 (individual) record in the CMS NPPES registry.
Where does Bill Chiu practice?
The practice location on file with NPPES is in Palo Alto, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-29.