Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William L Steinfeld, DMD

General Practice Dentistry in Champlain, NY · enumerated 2005.

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

National Provider Identifier

1063493120

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Registry record

Entity type Individual (Type 1)

Name William L Steinfeld

Credential DMD

Sex Male

Practice address 487 Route 11, Champlain, NY, 12919

Phone (518) 298-8112

Fax (518) 298-3704

Enumeration date Nov 7, 2005

Last updated in NPPES Jul 13, 2026

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 037194 (NY) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Other identifiers

Identifier	Type	State	Issuer
00889345	Medicaid	NY	-

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 William Steinfeld?

The National Provider Identifier (NPI) for William Steinfeld is 1063493120, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Steinfeld practice?

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

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