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MARISA BIERENFELD M.S. CCC-SLP
NPI 1407322126
Speech-Language Pathologist in Washington, DC

Active since October 19, 2018
100 PEABODY ST NW, WASHINGTON, DC 20011(202) 808-9800 Get Directions Write a Review

NPPES record last updated: August 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 10, 2025, Aug 17, 2021, Oct 19, 2018 (3 updates tracked since 2018).

About Marisa Bierenfeld M.s. Ccc-slp NPPES

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

MARISA BIERENFELD M.S. CCC-SLP (NPI 1407322126) is an individual speech-language pathologist provider in Washington, District Of Columbia, licensed in New Jersey (41YS00955000) and active in the NPI registry since October 2018.

NPPES Registry Identity

NPI1407322126
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMARISA BIERENFELDCredential: M.S. CCC-SLP
Location Address100 PEABODY ST NWWashington, DC 20011-2212
Mailing Address672 Quinton AveKenilworth, NJ 07033-1815 · (908) 477-1248
Phone(202) 808-9800
Sole ProprietorNo
Enumeration DateOctober 19, 2018
Last NPPES UpdateAugust 10, 20253 updates tracked since enumeration
NPPES CertifiedAugust 10, 2025
✔ NPI 1407322126 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
Licenses✔ Licensed in NJ · 41YS00955000✔ Licensed in DC · SLP001316
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.
100 PEABODY ST NW, Washington, DC 20011
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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 Marisa Bierenfeld's NPI number?

The NPI number for Marisa Bierenfeld is 1407322126. It was assigned to this individual provider in the NPPES registry on October 19, 2018.

Where is Marisa Bierenfeld located?

Marisa Bierenfeld practices at 100 Peabody St NW, Washington, DC 20011. The listed phone number is (202) 808-9800.

What is Marisa Bierenfeld'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 Marisa Bierenfeld was last updated on August 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.