NPPES file of Aug 9, 2026

Stefanie Mathis, MS, CCC-SLP

Speech-Language Pathologist · Phoenix, AZ

Stefanie Mathis, MS, CCC-SLP is a speech-language pathologist with a practice address in Phoenix, Arizona, and NPI 1417357500, issued on Aug 26, 2014. Check the license (Arizona SLP9028, as entered in NPPES) with the Arizona 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
1417357500
Name
Stefanie Mathis
Credential
MS, CCC-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
SLP9028 AZ
Self-reported in NPPES; status is on the state search
Practice location
4510 N 37TH Ave, Phoenix, AZ 85019
Phone
(623) 217-0033
Enumerated
Aug 26, 2014
Record last updated
Mar 31, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest speech-language pathologist records → All 4,510 in Arizona → Look up another NPI →

Also registered at 4510 N 37TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Esther Acosta, PH.D., NCSPSchool Psychologist1215155312
  2. Teresa Acuna, PH.D.School Psychologist1114132461
  3. Brittney Alexander, SLP-CCCSpeech-Language Pathologist1780413658
  4. Ryan Bauer, M.S. CF-SLPSpeech-Language Pathologist1881934669
  5. Jonathan BowenSchool Psychologist1437295813
  6. Brenda Carrillo, M.S. ED., CAGS, NCSPSchool Psychologist1356487698

Verify Stefanie Mathis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license SLP9028    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
Find the Arizona license search

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Stefanie Mathis among 4,510 speech-language pathologist records in Arizona

Stefanie Mathis, MS, CCC-SLP is one of 4,510 speech-language pathologist records with a practice address in Arizona. 2% 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 2014, is newer than 54% of them.

  • NPI issued2014 · 54% of these records are older, 43% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2026 · 67% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

934 speech-language pathologist records list a practice address in Phoenix

They are 934 of the 31,399 NPPES records with a practice address in Phoenix, and 4,510 speech-language pathologist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,510 in Arizona → Every provider in Phoenix → Speech-Language Pathologist nationwide →

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

  1. Josefa AlmanzaPhoenix, AZ 850191497872600
  2. Ryan Bauer, M.S. CF-SLPPhoenix, AZ 850191881934669
  3. Sara Griggs, M.A. CCC-SLPPhoenix, AZ 850191063727469
  4. Judith Julien, CCC-SPPhoenix, AZ 850191821134289
  5. Gordana KoroskoskiPhoenix, AZ 850191174711055
  6. Laura Larson, MS CCCSLPPhoenix, AZ 850191043338973
  7. Wendy Miller, M.A.Phoenix, AZ 850191043439524
  8. Natalie Nucci, M.S. CCC-SLPPhoenix, AZ 850191659719482

Common questions

What is Stefanie Mathis, MS, CCC-SLP's NPI number?

Stefanie Mathis, MS, CCC-SLP's National Provider Identifier (NPI) is 1417357500, issued on Aug 26, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Stefanie Mathis, MS, CCC-SLP located?

The NPPES record lists a practice address at 4510 N 37TH Ave, Phoenix, AZ, 85019. Phone: (623) 217-0033. Providers update this record themselves, so call before visiting.

How can I verify Stefanie Mathis, MS, CCC-SLP's license?

NPPES lists Arizona license number SLP9028, as entered by the provider. Search the Arizona 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.