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

Alexander Weingarten, MD

Interventional Pain Medicine Physician in Syosset, NY · enumerated 2005.

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

National Provider Identifier

1558353078

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Registry record

Entity type Individual (Type 1)

Name Alexander Weingarten

Credential MD

Sex Male

Practice address Syosset, NY, 11791

Phone (516) 496-4964

Fax (516) 496-4951

Enumeration date Aug 19, 2005

Last updated in NPPES Mar 13, 2008

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

Taxonomy & licenses

208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License 149211 (NY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

What is the NPI number for Alexander Weingarten?

The National Provider Identifier (NPI) for Alexander Weingarten is 1558353078, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Weingarten practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-13.