Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Richard C Irwin, OD

Optometrist in Somerset, PA · enumerated 2007 · practices at Richard Irwin Od.

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

National Provider Identifier

1730236282

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Registry record

Entity type Individual (Type 1)

Name Richard C Irwin

Credential OD

Sex Male

Practice address 209 W Union St, Somerset, PA, 15501

Phone (814) 445-4789

Fax (814) 443-3831

Enumeration date Jan 5, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License PAOEG000669 (PA) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD 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 Richard Irwin?

The National Provider Identifier (NPI) for Richard Irwin is 1730236282, a Type 1 (individual) record in the CMS NPPES registry.

Where does Richard Irwin practice?

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

Other providers at this practice address

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Richard Irwin Od Eyewear Supplier · Somerset, PA NPI 1053599720

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.