Sonia M. Guzman
Speech-Language Assistant · Santa Ana, CA
Sonia M. Guzman is a speech-language assistant with a practice address in Santa Ana, California, and NPI 1639423379, issued on Nov 2, 2012. Check the license (California 1973, 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.
- Name
- Sonia M. Guzman
- Primary taxonomy
- Speech-Language Assistant 2355S0801X
- License number
- 1973 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1538 E Warner Ave, Santa Ana, CA 92705
- Phone
- (714) 434-4773
- Enumerated
- Nov 2, 2012
- Record last updated
- Nov 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest speech-language assistant records → All 2,532 in California → Look up another NPI →
Also registered at 1538 E Warner Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cindy FanOccupational Therapist1245508118
- Lisa McCune, PTPediatric Physical Therapist1629387840
- Caroline Prosser, OTR/LPediatric Occupational Therapist1720397524
- Megan Reece, M.S., CCC-SLPSpeech-Language Pathologist1043557937
- Mary ValenzuelaPediatric Physical Therapist1477862274
Verify Sonia M. Guzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 1973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sonia M. Guzman among 2,532 speech-language assistant records in California
Sonia M. Guzman is one of 2,532 speech-language assistant records with a practice address in California. under 1% 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 2012, is newer than 3% of them.
- NPI issued2012 · 3% of these records are older, 95% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2012 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2355S0801X 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 Assistant providers in California
There are 2,532 speech-language assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,532 in California → Every provider in Santa Ana → Speech-Language Assistant nationwide →
The 8 speech-language assistant records with the nearest ZIP codes
- Jacqueline CabreraSanta Ana, CA 927051487999009
- Yvonne ChenSanta Ana, CA 927051366920043
- Marcela Crandall, SLPASanta Ana, CA 927051073079117
- Maria Garcia, SLPASanta Ana, CA 927051417637133
- Lesley JimenezSanta Ana, CA 927051851177372
- Lorena King, SLPASanta Ana, CA 927051215439179
- Helen LopezSanta Ana, CA 927051790242865
- Mackenzie MalersteinSanta Ana, CA 927051508472945
Common questions
What is Sonia M. Guzman's NPI number?
Sonia M. Guzman's National Provider Identifier (NPI) is 1639423379, issued on Nov 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sonia M. Guzman located?
The NPPES record lists a practice address at 1538 E Warner Ave, Santa Ana, CA, 92705. Phone: (714) 434-4773. Providers update this record themselves, so call before visiting.
How can I verify Sonia M. Guzman's license?
NPPES lists California license number 1973, 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.