Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Sierra Martin Southwick, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1538740857

Mrs. Sierra Martin Southwick, CCC-SLP is a Qualified Speech Language Pathologist in Pleasant Grove, Utah. Qualified in 2019, 7 years ago. Licensed in Utah.

Years since qualifying
7
Licensed in
UT
In the registry since
2021
What do these letters mean?
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

353 E 1590 N
Pleasant Grove, UT 84062-3920
Phone: (801) 671-5352
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 11308208-4102 (UT)

Record details

NPI number1538740857
Entity typeIndividual (Type 1)
GenderFemale
Credentials CCC-SLP
Sole proprietorNo
NPI enumeratedApril 19, 2021
Last updated in NPPESOctober 29, 2025
Certification dateOctober 29, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyQUALIFIED SPEECH LANGUAGE PATHOLOGIST
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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