NPPES file of Aug 9, 2026

Sierra Martin Southwick, CCC-SLP

Speech-Language Pathologist · Pleasant Grove, UT

Sierra Martin Southwick, CCC-SLP is a speech-language pathologist with a practice address in Pleasant Grove, Utah, and NPI 1538740857, issued on Apr 19, 2021. Check the license (Utah 11308208-4102, as entered in NPPES) with the Utah board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538740857
Name
Sierra Martin Southwick
Credential
CCC-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
11308208-4102 UT
Self-reported in NPPES; status is on the state search
Practice location
353 E 1590 N, Pleasant Grove, UT 84062
Phone
(801) 671-5352
Enumerated
Apr 19, 2021
Record last updated
Oct 29, 2025
Medicare enrollment
Enrolled (PECOS I20251112001562); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest speech-language pathologist records → All 1,344 in Utah → Look up another NPI →

Verify Sierra Martin Southwick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Utah board licenses this profession
    Search for license 11308208-4102    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Sierra Martin Southwick among 1,344 speech-language pathologist records in Utah

Sierra Martin Southwick, CCC-SLP is one of 1,344 speech-language pathologist records with a practice address in Utah. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 57% of them.

  • NPI issued2021 · 57% of these records are older, 39% newer
  • In a Medicare fileNo · 5% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated2019 · median 2015 among the 80 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 speech-language pathologist records list a practice address in Pleasant Grove

They are 10 of the 574 NPPES records with a practice address in Pleasant Grove, and 1,344 speech-language pathologist records in Utah. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,344 in Utah → Every provider in Pleasant Grove → Speech-Language Pathologist nationwide →

The 8 speech-language pathologist records with the nearest ZIP codes

  1. McKenzie Coombs, CCC-SLP, MAPleasant Grove, UT 840621174167464
  2. Laura CorcoranPleasant Grove, UT 840621619688686
  3. Paige Crawley, M.S. CCC-SLPPleasant Grove, UT 840621407075005
  4. Ann Dorais, M.A. CCC-SLPPleasant Grove, UT 840621467694166
  5. Angel Dyke Polivka, MS, CCC-SLPPleasant Grove, UT 840621679226724
  6. Taylor GlennPleasant Grove, UT 840621366158115
  7. Cherie Marsh, MS CCC-SLPPleasant Grove, UT 840621215436019
  8. Courtney Schneider, MS, CCC-SLPPleasant Grove, UT 840621659051357

Common questions

What is Sierra Martin Southwick, CCC-SLP's NPI number?

Sierra Martin Southwick, CCC-SLP's National Provider Identifier (NPI) is 1538740857, issued on Apr 19, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Sierra Martin Southwick, CCC-SLP located?

The NPPES record lists a practice address at 353 E 1590 N, Pleasant Grove, UT, 84062. Phone: (801) 671-5352. Providers update this record themselves, so call before visiting.

How can I verify Sierra Martin Southwick, CCC-SLP's license?

NPPES lists Utah license number 11308208-4102, as entered by the provider. Search the Utah board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.