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

MS. MARGARET ANNE LONGENECKER CFY-SLP
NPI 1568250082
Speech-Language Pathologist in Denver, CO

Q: What is Margaret Longenecker's NPI number?

The NPI number for Margaret Longenecker is 1568250082. It was assigned to this individual provider in the NPPES registry on April 25, 2025.

Q: What is Margaret Longenecker's specialty?

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

Active since April 25, 2025

4601 S ULSTER ST STE 1001, DENVER, CO 80237(303) 330-1807 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

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About Ms. Margaret Anne Longenecker Cfy-slp NPPES

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

MS. MARGARET ANNE LONGENECKER CFY-SLP (NPI 1568250082) is an individual speech-language pathologist provider in Denver, Colorado and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1568250082

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameMS. MARGARET ANNE LONGENECKERCredential: CFY-SLP

Location Address4601 S ULSTER ST STE 1001Denver, CO 80237-4321

Mailing Address4601 S Ulster St Ste 1001Denver, CO 80237-4321 · (303) 330-1807

Phone(303) 330-1807

Sole ProprietorNo

Enumeration DateApril 25, 2025

Last NPPES UpdateAugust 25, 2026

NPPES CertifiedAugust 25, 2026

✔ NPI 1568250082 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

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.

4601 S ULSTER ST STE 1001, Denver, CO 80237

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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 Margaret Longenecker's NPI number?

The NPI number for Margaret Longenecker is 1568250082. It was assigned to this individual provider in the NPPES registry on April 25, 2025.

Where is Margaret Longenecker located?

Margaret Longenecker practices at 4601 S Ulster St Ste 1001, Denver, CO 80237. The listed phone number is (303) 330-1807.

What is Margaret Longenecker'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 Margaret Longenecker was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.