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

Dr. Donald Wexler

Rheumatology Physician in Schenectady, NY · enumerated 2006.

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

National Provider Identifier

1669566808

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Registry record

Entity type Individual (Type 1)

Name Dr. Donald Wexler

Sex Male

Practice address Schenectady, NY, 12304

Phone (518) 347-5505

Fax (518) 347-5504

Enumeration date Oct 3, 2006

Last updated in NPPES Feb 1, 2008

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

Taxonomy & licenses

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 127452 (NY) Primary

Other identifiers

Identifier	Type	State	Issuer
00566963	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.

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Frequently asked questions

How do I verify Donald Wexler's NPI record?

Cross-check NPI 1669566808 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1669566808 active?

Yes, as of the latest NPPES snapshot, NPI 1669566808 is active (record last updated 2008-02-01).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-02-01.