Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Keltz, DPT

Physical Therapist in Patchogue, NY · enumerated 2006.

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

National Provider Identifier

1649295213

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Registry record

Entity type Individual (Type 1)

Name William Keltz

Credential DPT

Sex Male

Practice address 475 E Main St, Suite 103-105, Patchogue, NY, 11772

Phone (631) 289-0044

Fax (631) 447-6126

Enumeration date Jul 13, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 025599-0 (NY) Primary

DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession. About the DPT credential

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 Keltz practice?

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

What is the NPI number for William Keltz?

The National Provider Identifier (NPI) for William Keltz is 1649295213, a Type 1 (individual) record in the CMS NPPES registry.

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