Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Richard Paul Chrzanowski, DO

Internal Medicine Physician in Horseheads, NY · enumerated 2006.

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

National Provider Identifier

1003844846

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Registry record

Entity type Individual (Type 1)

Name Richard Paul Chrzanowski

Credential DO

Sex Male

Practice address 18 Garden Ln, Horseheads, NY, 14845

Phone (607) 795-1698

Enumeration date Jun 29, 2006

Last updated in NPPES Dec 7, 2011

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 178396 (NY) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
178396-1	Other	NY	NYS LICENSE

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 Richard Chrzanowski?

The National Provider Identifier (NPI) for Richard Chrzanowski is 1003844846, a Type 1 (individual) record in the CMS NPPES registry.

Where does Richard Chrzanowski practice?

The practice location on file with NPPES is in Horseheads, 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 2011-12-07.