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ANTONIA MENTZER
NPI 1871191692
Speech-Language Pathologist in Frederick, MD

Active since October 14, 2020
191 S EAST ST, FREDERICK, MD 21701(301) 644-5000 Get Directions Write a Review

NPPES record last updated: October 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Antonia Mentzer NPPES

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

ANTONIA MENTZER (NPI 1871191692) is an individual speech-language pathologist provider in Frederick, Maryland, licensed in Maryland (09577) and active in the NPI registry since October 2020.

NPPES Registry Identity

NPI1871191692
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameANTONIA MENTZER
Location Address191 S EAST STFrederick, MD 21701-5918
Mailing Address191 S East StFrederick, MD 21701-5918 · (240) 344-8322
Phone(301) 644-5000
Sole ProprietorNo
Enumeration DateOctober 14, 2020
Last NPPES UpdateOctober 21, 2025
NPPES CertifiedOctober 21, 2025
✔ NPI 1871191692 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 · 09577
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.
191 S EAST ST, Frederick, MD 21701
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Other Identifiers 1

Medicaid5416281P0002MD

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.

ABIGAIL TYE M.S., CCC-SLP
Speech-Language Pathologist
191 S EAST ST
FREDERICK, MD 21701
Frederick County (301) 644-5000
MELISSA HELEN SCHERRPHILLIPS ATR-BC, LCPAT
Art Therapist
191 S EAST ST
FREDERICK, MD 21701
Frederick County (301) 644-5000
OLIVIA LEWIS
Psychologist (School)
191 S EAST ST
FREDERICK, MD 21701
Frederick County (301) 644-5000
DR. SUSAN CAROL TASSIN
Psychologist (School)
191 S EAST ST
FREDERICK, MD 21701
Frederick County (717) 398-5660
JANIECE ROYALL
Speech-Language Pathologist
191 S EAST ST
FREDERICK, MD 21701
Frederick County (301) 644-5000
EMILY NORTON CCC-SLP
Speech-Language Pathologist
191 S EAST ST
FREDERICK, MD 21701
Frederick County (227) 203-3277
EMILY HECK
Counselor (Mental Health)
191 S EAST ST
FREDERICK, MD 21701
Frederick County (301) 644-5000
ANDREW HODGKINS
Psychologist (School)
191 S EAST ST
FREDERICK, MD 21701
Frederick County (240) 586-8704

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 Antonia Mentzer's NPI number?

The NPI number for Antonia Mentzer is 1871191692. It was assigned to this individual provider in the NPPES registry on October 14, 2020.

Where is Antonia Mentzer located?

Antonia Mentzer practices at 191 S East St, Frederick, MD 21701. The listed phone number is (301) 644-5000.

What is Antonia Mentzer'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 Antonia Mentzer was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.