NPPES file of Aug 9, 2026

Louisa J. Williams, SLP

Speech-Language Pathologist · Tuscon, AZ

Louisa J. Williams, SLP is a speech-language pathologist with a practice address in Tuscon, Arizona, and NPI 1073127619, issued on Sep 1, 2020. Check the license (Arizona SLP12474, 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
1073127619
Name
Louisa J. Williams
Credential
SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
SLP12474 AZ
Self-reported in NPPES; status is on the state search
Practice location
Sunnyside Unified School District NO. 12, Tuscon, AZ 85706
Phone
(520) 545-2137
Enumerated
Sep 1, 2020
Record last updated
Nov 29, 2023
Fax
(520) 545-2120
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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Verify Louisa J. Williams 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 SLP12474    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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1 speech-language pathologist records list a practice address in Tuscon

They are 1 of the 28 NPPES records with a practice address in Tuscon, 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 Tuscon →

Other speech-language pathologist records in Arizona

  1. Erin Aafedt, MA CCC-SLPFlagstaff, AZ1053325654
  2. Christine AbassiPhoenix, AZ1043057268
  3. Amy Abdai, MS CCCSLPTucson, AZ1538389630
  4. Amanda AbererChandler, AZ1639698855
  5. Courtney AbernathySurprise, AZ1235853961
  6. Carolyn AbrahamPhoenix, AZ1275811176
  7. Judy Abraham, M.S. CCC-SLPChandler, AZ1093968711
  8. Ricki Abrams-SternSurprise, AZ1174951099
  9. Melanie AbshireVail, AZ1750060869
  10. Manuela Acero, SLPAYuma, AZ1114234879

Common questions

What is Louisa J. Williams, SLP's NPI number?

Louisa J. Williams, SLP's National Provider Identifier (NPI) is 1073127619, issued on Sep 1, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Louisa J. Williams, SLP located?

The NPPES record lists a practice address at Sunnyside Unified School District NO. 12, Tuscon, AZ, 85706. Phone: (520) 545-2137. Providers update this record themselves, so call before visiting.

How can I verify Louisa J. Williams, SLP's license?

NPPES lists Arizona license number SLP12474, 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.