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

JOHN J GREGORY MD
NPI 1871603597
Internal Medicine - Cardiovascular Disease in Summit, NJ

Active since August 30, 2006
99 BEAUVOIR AVE, SUMMIT, NJ 07901(973) 971-7185 Get Directions Write a Review

NPPES record last updated: July 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John J Gregory Md NPPES

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

JOHN J GREGORY MD (NPI 1871603597) is an individual cardiovascular disease provider in Summit, New Jersey, licensed in New Jersey (25MA02174900) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1871603597
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameJOHN J GREGORYCredential: MD
Location Address99 BEAUVOIR AVESummit, NJ 07901-3533
Mailing AddressPo Box 23831Newark, NJ 07189-0001 · (973) 971-7185
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 26, 2026
NPI 1871603597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in NJ · 25MA02174900
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
99 BEAUVOIR AVE, Summit, NJ 07901

Other Providers at the Same Location NPPES 20

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

Family Medicine
99 BEAUVOIR AVE
SUMMIT, NJ 07901
Student in an Organized Health Care Education/Training Program
99 BEAUVOIR AVE
SUMMIT, NJ 07901
Nurse Practitioner (Adult Health)
99 BEAUVOIR AVE
SUMMIT, NJ 07901
Internal Medicine
99 BEAUVOIR AVE
SUMMIT, NJ 07901
Hospitalist
99 BEAUVOIR AVE
SUMMIT, NJ 07901
General Acute Care Hospital
99 BEAUVOIR AVE
SUMMIT, NJ 07901
Dietitian, Registered
99 BEAUVOIR AVE, BOX 243
SUMMIT, NJ 07901
Radiology (Diagnostic Radiology)
99 BEAUVOIR AVE
SUMMIT, NJ 07901

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 John Gregory's NPI number?

The NPI number for John Gregory is 1871603597. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is John Gregory located?

John Gregory practices at 99 Beauvoir Ave, Summit, NJ 07901. The listed phone number is (973) 971-7185.

What is John Gregory's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for John Gregory was last updated on July 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.