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

Dr. Irving Gendler Weinberger, MD

Ophthalmology Physician in Pittsburgh, PA · enumerated 2006.

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

National Provider Identifier

1861571267

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Registry record

Entity type Individual (Type 1)

Name Dr. Irving Gendler Weinberger

Credential MD

Sex Male

Practice address Pittsburgh, PA, 15220

Phone (412) 429-2020

Enumeration date Nov 4, 2006

Last updated in NPPES Sep 5, 2008

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

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License MD 015733 E (PA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
CN5293	Other	PA	MEDICARE RET RAIL
100556LX7	Other	-	MEDICARE

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 Irving Weinberger practice?

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

What is the NPI number for Irving Weinberger?

The National Provider Identifier (NPI) for Irving Weinberger is 1861571267, 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 2008-09-05.