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

DR. PATRICIA ANN LISZEWSKI M.D.
NPI 1417911413
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: July 19, 2026.

About Dr. Patricia Ann Liszewski M.d. NPPES

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

DR. PATRICIA ANN LISZEWSKI M.D. (NPI 1417911413) is an individual pediatrics provider in Ellicott City, Maryland, licensed in Maryland (D0054394) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1417911413
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. PATRICIA ANN LISZEWSKICredential: M.D.
Location Address9501 OLD ANNAPOLIS RD, SUITE 101Ellicott City, MD 21042-6314
Mailing Address17713 Globe Theatre DrOlney, MD 20832-1676 · (301) 570-6979
Fax(410) 964-5150
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1417911413 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in MD · D0054394
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.

Pediatrics
9501 OLD ANNAPOLIS RD, SUITE 101
ELLICOTT CITY, MD 21042
Pharmacist
9501 OLD ANNAPOLIS RD
ELLICOTT CITY, MD 21042
Psychologist (Clinical)
9501 OLD ANNAPOLIS RD, 125
ELLICOTT CITY, MD 21042
Occupational Therapist
9501 OLD ANNAPOLIS RD, SUITE 125
ELLICOTT CITY, MD 21042
Physical Therapist
9501 OLD ANNAPOLIS RD, SUITE 7
ELLICOTT CITY, MD 21042
Physical Therapist
9501 OLD ANNAPOLIS RD, SUITE 301
ELLICOTT CITY, MD 21042
Orthopaedic Surgery
9501 OLD ANNAPOLIS RD, SUITE 308
ELLICOTT CITY, MD 21042
Physical Therapist
9501 OLD ANNAPOLIS RD
ELLICOTT CITY, MD 21042

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1417911413, enumerated as an "individual" on April 14, 2006.

The provider is located at 9501 OLD ANNAPOLIS RD SUITE 101 ELLICOTT CITY, MD 21042 and the phone number is (410) 992-9339.

Pediatrics with taxonomy code 208000000X.