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

William Anthes

Clinical Social Worker in Far Hills, NJ · enumerated 2022.

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

National Provider Identifier

1902545429

Verified

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Registry record

Entity type Individual (Type 1)

Name William Anthes

Sex Male

Practice address Far Hills, NJ, 07931

Phone (908) 477-8312

Enumeration date Jun 2, 2022

Last updated in NPPES Jun 2, 2022

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

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers 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

Where does William Anthes practice?

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

What is the NPI number for William Anthes?

The National Provider Identifier (NPI) for William Anthes is 1902545429, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-02.