NPPES file of Aug 9, 2026

Dwayne Lizar, M.S.

Speech-Language Pathologist · San Marcos, CA

Dwayne Lizar, M.S. is a speech-language pathologist with a practice address in San Marcos, California, and NPI 1083849574, issued on May 27, 2009. Check the license (California SP 4188, as entered in NPPES) with the California 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
1083849574
Name
Dwayne Lizar
Credential
M.S.
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License numbers
SP 4188 CA
AU 648 CA
Self-reported in NPPES; status is on the state search
Practice location
1740 LA Costa Meadows Dr, San Marcos, CA 92078
Phone
(951) 970-1194
Enumerated
May 27, 2009
Record last updated
May 27, 2009 (not updated in 17 years: call before relying on the address or phone)
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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Also registered at 1740 LA Costa Meadows Dr

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

  1. Amy Price, MFTMarriage & Family Therapist1437328762
  2. Mitzi Steele, LMFTMarriage & Family Therapist1629619952

Verify Dwayne Lizar 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 SP 4188
    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

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Dwayne Lizar among 13,141 speech-language pathologist records in California

Dwayne Lizar, M.S. 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 not. Its NPI, issued in 2009, is newer than 9% of them.

  • NPI issued2009 · 9% of these records are older, 88% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2009 · 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).

27 speech-language pathologist records list a practice address in San Marcos

They are 27 of the 1,985 NPPES records with a practice address in San Marcos, and 13,141 speech-language pathologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

  1. Carolina Biebel, CCC-SLPSan Marcos, CA 920781437270519
  2. Amanda CleversSan Marcos, CA 920781053827378
  3. Shari Jones, M.S., CCC-SLPSan Marcos, CA 920781962705210
  4. Kelly Le Roux, SLPSan Marcos, CA 920781326276163
  5. Rosa Mackinnon, SLPSan Marcos, CA 920781689141525
  6. Mary Anne Maclellan, M.A., CCC, SLPSan Marcos, CA 920781053440479
  7. Cynthia Magnuson, PH.D. CCC-SLPSan Marcos, CA 920781548665524
  8. Barbara Malone, M.A., CCC-SLPSan Marcos, CA 920781376902205

Common questions

What is Dwayne Lizar, M.S.'s NPI number?

Dwayne Lizar, M.S.'s National Provider Identifier (NPI) is 1083849574, issued on May 27, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Dwayne Lizar, M.S. located?

The NPPES record lists a practice address at 1740 LA Costa Meadows Dr, San Marcos, CA, 92078. Phone: (951) 970-1194. Providers update this record themselves, so call before visiting.

How can I verify Dwayne Lizar, M.S.'s license?

NPPES lists California license number SP 4188, 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. An NPI identifies who bills; it is not a license.

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.