Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Bert Hart Williams

Specialist in Hana, HI · enumerated 2006.

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

National Provider Identifier

1831259720

Verified

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Registry record

Entity type Individual (Type 1)

Name Bert Hart Williams

Sex Male

Practice address Hana, HI, 96713

Phone (808) 281-1104

Fax (808) 248-8344

Enumeration date Dec 11, 2006

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 1992 (HI) Primary

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

What is the NPI number for Bert Williams?

The National Provider Identifier (NPI) for Bert Williams is 1831259720, a Type 1 (individual) record in the CMS NPPES registry.

Where does Bert Williams practice?

The practice location on file with NPPES is in Hana, HI. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.