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

JOHN W. LEROY
NPI 1295774438
Physician Assistant - Medical in Prince Frederick, MD

Active since June 05, 2006
100 HOSPITAL RD, PRINCE FREDERICK, MD 20678(301) 855-1012 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John W. Leroy NPPES

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

JOHN W. LEROY (NPI 1295774438) is an individual medical provider in Prince Frederick, Maryland, licensed in Maryland (C0002317) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1295774438
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameJOHN W. LEROY
Location Address100 HOSPITAL RDPrince Frederick, MD 20678-4017
Mailing Address7920 Mount Harmony LnOwings, MD 20736-3404 · (410) 257-0439
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1295774438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in MD · C0002317
100 HOSPITAL RD, Prince Frederick, MD 20678

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.

Clinical Medical Laboratory
100 HOSPITAL RD
PRINCE FREDERICK, MD 20678
Nurse Anesthetist, Certified Registered
100 HOSPITAL RD
PRINCE FREDERICK, MD 20678
Physician Assistant
100 HOSPITAL RD
PRINCE FREDERICK, MD 20678
Hospitalist
100 HOSPITAL RD
PRINCE FREDERICK, MD 20678
Pediatrics
100 HOSPITAL RD
PRINCE FREDERICK, MD 20678
Surgery (Vascular Surgery)
100 HOSPITAL RD
PRINCE FREDERICK, MD 20678
Hospitalist
100 HOSPITAL RD
PRINCE FREDERICK, MD 20678
Pediatrics
100 HOSPITAL RD
PRINCE FREDERICK, MD 20678

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 Leroy's NPI number?

The NPI number for John Leroy is 1295774438. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is John Leroy located?

John Leroy practices at 100 Hospital Rd, Prince Frederick, MD 20678. The listed phone number is (301) 855-1012.

What is John Leroy's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for John Leroy was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.