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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. NICHOLAS J GREGO D.O.
NPI 1114966314
Family Medicine in Philadelphia, PA

Active since June 05, 2006
1800 JACKSON ST, PHILADELPHIA, PA 19145(215) 826-8050(215) 826-8053 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Nicholas J Grego D.o. NPPES

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

DR. NICHOLAS J GREGO D.O. (NPI 1114966314) is an individual family medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OS003907L) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1114966314
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. NICHOLAS J GREGOCredential: D.O.
Location Address1800 JACKSON STPhiladelphia, PA 19145-3712
Mailing Address424 Mill StBristol, PA 19007-4813 · (215) 826-8050
Phone(215) 826-8050
Fax(215) 826-8053
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1114966314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in PA · OS003907L
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1800 JACKSON ST, Philadelphia, PA 19145
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Other Identifiers 1

Other0058006000PA · Ibc

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WJO INC.
Family Medicine
1800 JACKSON ST
PHILA, PA 19145
Philadelphia County (215) 826-8050

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 Nicholas Grego's NPI number?

The NPI number for Nicholas Grego is 1114966314. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Nicholas Grego located?

Nicholas Grego practices at 1800 Jackson St, Philadelphia, PA 19145. The listed phone number is (215) 826-8050.

What is Nicholas Grego's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Nicholas Grego 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 22 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.