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MRS. SIERRA MARTIN SOUTHWICK CCC-SLP
NPI 1538740857
Speech-Language Pathologist in Pleasant Grove, UT

Active since April 19, 2021
353 E 1590 N, PLEASANT GROVE, UT 84062(801) 671-5352 Get Directions Write a Review

NPPES record last updated: October 29, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Mrs. Sierra Martin Southwick Ccc-slp NPPES

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

MRS. SIERRA MARTIN SOUTHWICK CCC-SLP (NPI 1538740857) is an individual speech-language pathologist provider in Pleasant Grove, Utah, licensed in Utah (11308208-4102) and active in the NPI registry since April 2021. She is a graduate of Other (2019).

NPPES Registry Identity

NPI1538740857
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMRS. SIERRA MARTIN SOUTHWICKCredential: CCC-SLP
Location Address353 E 1590 NPleasant Grove, UT 84062-3920
Mailing Address353 E 1590 NPleasant Grove, UT 84062-3920 · (801) 671-5352
Phone(801) 671-5352
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 19, 2021
Last NPPES UpdateOctober 29, 2025
NPPES CertifiedOctober 29, 2025
✔ NPI 1538740857 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 UT · 11308208-4102
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.
353 E 1590 N, Pleasant Grove, UT 84062
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Sierra Martin Southwick Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2668963224
PECOS Enrollment IDI20251112001562

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 Sierra Southwick's NPI number?

The NPI number for Sierra Southwick is 1538740857. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Sierra Southwick located?

Sierra Southwick practices at 353 E 1590 N, Pleasant Grove, UT 84062. The listed phone number is (801) 671-5352.

What is Sierra Southwick's specialty?

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

Is Sierra Southwick enrolled in Medicare?

Yes. Sierra Southwick is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sierra Southwick was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.