Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Dennis John Fitzsimmons, OD

Optometrist in Lancaster, PA · enumerated 2006.

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

National Provider Identifier

1134226822

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Registry record

Entity type Individual (Type 1)

Name Mr. Dennis John Fitzsimmons

Credential OD

Sex Male

Practice address 2034 Lincoln Highway East, Lancaster, PA, 17602

Phone (717) 390-8784

Fax (717) 390-9085

Enumeration date Sep 17, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 0E006089P (PA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
01923090	Medicaid	PA	-
921366	Other	PA	BLOCKVISION
42370	Other	PA	DAVIS

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 Dennis Fitzsimmons?

The National Provider Identifier (NPI) for Dennis Fitzsimmons is 1134226822, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dennis Fitzsimmons practice?

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

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