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

MAUREEN LEFTON-GRIEF PH.D.
NPI 1144260902
Speech-Language Pathologist in Baltimore, MD

Active since June 08, 2006
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-2000 Get Directions Write a Review

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

About Maureen Lefton-grief Ph.d. NPPES

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

MAUREEN LEFTON-GRIEF PH.D. (NPI 1144260902) is an individual speech-language pathologist provider in Baltimore, Maryland, licensed in Maryland (01487) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1144260902
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMAUREEN LEFTON-GRIEFCredential: PH.D.
Location Address600 N WOLFE STBaltimore, MD 21287-0005
Mailing AddressPo Box 64316Baltimore, MD 21264-4316
Sole ProprietorNo
Enumeration DateJune 8, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1144260902 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License Licensed in MD · 01487
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
600 N WOLFE ST, Baltimore, MD 21287

Other Identifiers 1

Medicaid30300300MD

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.

Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287

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 Maureen Lefton-grief's NPI number?

The NPI number for Maureen Lefton-grief is 1144260902. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is Maureen Lefton-grief located?

Maureen Lefton-grief practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-2000.

What is Maureen Lefton-grief's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Maureen Lefton-grief 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 29 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.