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

DR. PEGGY J. GUERRERO-MARTIN M.D.
NPI 1891759890
Pediatrics in Ellicott City, MD

Active since April 14, 2006
9501 OLD ANNAPOLIS RD, SUITE 101, ELLICOTT CITY, MD 21042(410) 992-9339(410) 964-5150 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Peggy J. Guerrero-martin M.d. NPPES

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

DR. PEGGY J. GUERRERO-MARTIN M.D. (NPI 1891759890) is an individual pediatrics provider in Ellicott City, Maryland, licensed in Maryland (D0050253) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1891759890
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. PEGGY J. GUERRERO-MARTINCredential: M.D.
Location Address9501 OLD ANNAPOLIS RD, SUITE 101Ellicott City, MD 21042-6314
Mailing Address6722 Fait AveBaltimore, MD 21224-3003 · (410) 633-8445
Fax(410) 964-5150
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1891759890 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in MD · D0050253
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
9501 OLD ANNAPOLIS RD, Ellicott City, MD 21042

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.

Physical Therapy Assistant
9501 OLD ANNAPOLIS RD, 125
ELLICOTT CITY, MD 21042
Student in an Organized Health Care Education/Training Program
9501 OLD ANNAPOLIS RD
ELLICOTT CITY, MD 21042
Pediatrics (Sports Medicine)
9501 OLD ANNAPOLIS RD, SUITE 220
ELLICOTT CITY, MD 21042
Family Medicine
9501 OLD ANNAPOLIS RD
ELLICOTT CITY, MD 21042
Obstetrics & Gynecology
9501 OLD ANNAPOLIS RD, SUITE 305
ELLICOTT CITY, MD 21042
Pediatrics
9501 OLD ANNAPOLIS RD, SUITE 101
ELLICOTT CITY, MD 21042
Pediatrics
9501 OLD ANNAPOLIS RD, SUITE 101
ELLICOTT CITY, MD 21042
Psychologist (Clinical)
9501 OLD ANNAPOLIS RD, 125
ELLICOTT CITY, MD 21042

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 Peggy Guerrero-martin's NPI number?

The NPI number for Peggy Guerrero-martin is 1891759890. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Peggy Guerrero-martin located?

Peggy Guerrero-martin practices at 9501 Old Annapolis Rd Suite 101, Ellicott City, MD 21042. The listed phone number is (410) 992-9339.

What is Peggy Guerrero-martin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Peggy Guerrero-martin 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 32 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.