NPPES file of Aug 9, 2026

Jane Oliver Wallis, M.S-SLP

Speech-Language Pathologist · Antioch, CA

Jane Oliver Wallis, M.S-SLP is a speech-language pathologist with a practice address in Antioch, California, and NPI 1255685590, issued on Nov 8, 2012. Check the license (California 7414, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1255685590
Name
Jane Oliver Wallis
Credential
M.S-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
7414 CA
Self-reported in NPPES; status is on the state search
Practice location
4501 Sand Creek RD, Antioch, CA 94531
Phone
(925) 813-6420
Enumerated
Nov 8, 2012
Record last updated
Jan 13, 2022
Medicare enrollment
Enrolled (PECOS I20171226002008); accepts 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 13,141 in California → Look up another NPI →

Also registered at 4501 Sand Creek RD

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

  1. Triveni Abburi, M.D.Internal Medicine Physician1710267497
  2. Janel AfanadorPharmacist1356655880
  3. Rosilda AlvesClinical Psychologist1174670327
  4. Arnoldo Amador, RCPGeneral Care Registered Respiratory Therapist1487118436
  5. Veronica Arellano, RDRegistered Dietitian1740091354
  6. Lloyd Asuncion, MDInternal Medicine Physician1437353034

Verify Jane Oliver Wallis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 7414    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 California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Permanente Medical Group IncAntioch, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jane Oliver Wallis among 13,141 speech-language pathologist records in California

Jane Oliver Wallis, M.S-SLP is one of 13,141 speech-language pathologist records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 17% of them.

  • NPI issued2012 · 17% of these records are older, 79% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2011 · median 2017 among the 573 with a school on file
  • Record last updated2022 · 46% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Speech-Language Pathologist providers in California

There are 13,141 speech-language pathologist records in California.

All 13,141 in California → Every provider in Antioch → Speech-Language Pathologist nationwide →

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

  1. Melanie Gustavus, MS, CCC-SLPAntioch, CA 945311619371085
  2. Ci HeAntioch, CA 945311962393330
  3. Norma Lozano Hernandez, M.S., CCC-SLPAntioch, CA 945311316683493
  4. Anita Luff, MS, CCC-SLPAntioch, CA 945311629307186
  5. Gabriela Portan-AscencioAntioch, CA 945311245852292
  6. Gianna RamirezAntioch, CA 945311659253631
  7. Sarah Wooten, CCC-SLPAntioch, CA 945311386142263
  8. Kate Elahi, M.A., CCC-SLPEl Cerrito, CA 945301568277499

Common questions

What is Jane Oliver Wallis, M.S-SLP's NPI number?

Jane Oliver Wallis, M.S-SLP's National Provider Identifier (NPI) is 1255685590, issued on Nov 8, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Jane Oliver Wallis, M.S-SLP located?

The NPPES record lists a practice address at 4501 Sand Creek RD, Antioch, CA, 94531. Phone: (925) 813-6420. Providers update this record themselves, so call before visiting.

How can I verify Jane Oliver Wallis, M.S-SLP's license?

NPPES lists California license number 7414, as entered by the provider. Search the California 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. Medicare files from data.cms.gov. 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.