Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GENE JOHN O'SULLIVAN D.C.
NPI 1780630517
Chiropractor in Ligonier, PA

Q: What is Gene O'sullivan's NPI number?

The NPI number for Gene O'sullivan is 1780630517. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Q: What is Gene O'sullivan's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for Gene O'sullivan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 25, 2006

114 POPLAR ALY, LIGONIER, PA 15658(724) 238-3922(724) 238-9211 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Gene John O'sullivan D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GENE JOHN O'SULLIVAN D.C. (NPI 1780630517) is an individual chiropractor in Ligonier, Pennsylvania, licensed in Pennsylvania (DC008805) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1780630517

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. GENE JOHN O'SULLIVANCredential: D.C.

Location Address114 POPLAR ALYLigonier, PA 15658-6202

Mailing Address114 Poplar AlyLigonier, PA 15658-6202 · (724) 238-3922 · Fax (724) 238-9211

Phone(724) 238-3922

Fax(724) 238-9211

Sole ProprietorNo

Enumeration DateMay 25, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1780630517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in PA · DC008805

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

114 POPLAR ALY, Ligonier, PA 15658

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gene O'sullivan's NPI number?

The NPI number for Gene O'sullivan is 1780630517. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Gene O'sullivan located?

Gene O'sullivan practices at 114 Poplar Aly, Ligonier, PA 15658. The listed phone number is (724) 238-3922.

What is Gene O'sullivan's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for Gene O'sullivan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.