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MARK WALTER GREGG RN
NPI 1053258921
Student in an Organized Health Care Education/Training Program in Bethesda, MD

Active since April 30, 2026
4301 JONES BRIDGE RD, BETHESDA, MD 20814(301) 295-9004 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Walter Gregg Rn NPPES

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

MARK WALTER GREGG RN (NPI 1053258921) is an individual student in an organized health care education/training program in Bethesda, Maryland, licensed in Florida (RN9639547) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1053258921
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameMARK WALTER GREGGCredential: RN
Location Address4301 JONES BRIDGE RDBethesda, MD 20814-4799
Mailing Address4301 Jones Bridge RdBethesda, MD 20814-4799 · (301) 295-9004
Phone(301) 295-9004
Sole ProprietorNo
Enumeration DateApril 30, 2026
NPPES CertifiedApril 30, 2026
✔ NPI 1053258921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
License✔ Licensed in FL · RN9639547
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
4301 JONES BRIDGE RD, Bethesda, MD 20814
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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.

GAYLE DENISE HAISCHER-ROLLO MD
Pediatrics (Neonatal-Perinatal Medicine)
4301 JONES BRIDGE RD
BETHESDA, MD 20814
Montgomery County (817) 845-4191
LEYLAND SKYLER FURR
Student in an Organized Health Care Education/Training Program
4301 JONES BRIDGE RD
BETHESDA, MD 20814
Montgomery County (301) 295-9474
JI WON AHN
Student in an Organized Health Care Education/Training Program
4301 JONES BRIDGE RD
BETHESDA, MD 20814
Montgomery County (800) 515-5257
ELYSE FIORE PIERRE MD
Family Medicine
4301 JONES BRIDGE RD
BETHESDA, MD 20814
Montgomery County (301) 295-3630
NICHOLAS DIFAZIO BSN
Student in an Organized Health Care Education/Training Program
4301 JONES BRIDGE RD
BETHESDA, MD 20814
Montgomery County (301) 295-9004
PRISCILLA BELLETTINI
Student in an Organized Health Care Education/Training Program
4301 JONES BRIDGE RD
BETHESDA, MD 20814
Montgomery County (301) 295-9004
DEREK PARADIS
General Practice
4301 JONES BRIDGE RD
BETHESDA, MD 20814
Montgomery County (800) 515-5257
MS. JESSICA TEMPLE SERVEY MD
Family Medicine
4301 JONES BRIDGE RD
BETHESDA, MD 20814
Montgomery County (301) 295-9470

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 Mark Gregg's NPI number?

The NPI number for Mark Gregg is 1053258921. It was assigned to this individual provider in the NPPES registry on April 30, 2026.

Where is Mark Gregg located?

Mark Gregg practices at 4301 Jones Bridge Rd, Bethesda, MD 20814. The listed phone number is (301) 295-9004.

What is Mark Gregg's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Mark Gregg was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.