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DIANA LYNN MATTSEN
NPI 1528529740
Speech-Language Pathologist in Germantown, MD

Active since March 29, 2019
24001 RIDGE RD, GERMANTOWN, MD 20876(301) 253-7000 Get Directions Write a Review

NPPES record last updated: March 29, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Diana Lynn Mattsen NPPES

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

DIANA LYNN MATTSEN (NPI 1528529740) is an individual speech-language pathologist provider in Germantown, Maryland, licensed in Maryland (03597) and active in the NPI registry since March 2019.

NPPES Registry Identity

NPI1528529740
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameDIANA LYNN MATTSEN
Location Address24001 RIDGE RDGermantown, MD 20876-4636
Mailing Address850 Hungerford DrRockville, MD 20850-1718
Phone(301) 253-7000
Sole ProprietorNo
Enumeration DateMarch 29, 2019
✔ NPI 1528529740 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 · 03597
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.
24001 RIDGE RD, Germantown, MD 20876
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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 Diana Mattsen's NPI number?

The NPI number for Diana Mattsen is 1528529740. It was assigned to this individual provider in the NPPES registry on March 29, 2019.

Where is Diana Mattsen located?

Diana Mattsen practices at 24001 Ridge Rd, Germantown, MD 20876. The listed phone number is (301) 253-7000.

What is Diana Mattsen'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 Diana Mattsen was last updated on March 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.