Martin Guillermo Alcaraz
Social Worker · Stockton, CA
Martin Guillermo Alcaraz is a social worker with a practice address in Stockton, California, and NPI 1033558580, issued on Jun 18, 2013. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Martin Guillermo Alcaraz
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 1149 N EL Dorado St, Stockton, CA 95202
- Phone
- (209) 468-2335
- Enumerated
- Jun 18, 2013
- Record last updated
- Jun 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (209) 468-0525
- Entity
- Type 1 · individual
8 nearest social worker records → All 10,332 in California → Look up another NPI →
Also registered at 1149 N EL Dorado St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martin Guillermo Alcaraz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Martin Guillermo Alcaraz among 10,332 social worker records in California
Martin Guillermo Alcaraz is one of 10,332 social worker records with a practice address in California. 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 2013, is newer than 29% of them.
- NPI issued2013 · 29% of these records are older, 68% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2013 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
103 social worker records list a practice address in Stockton
They are 103 of the 9,522 NPPES records with a practice address in Stockton, and 10,332 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 10,332 in California → Every provider in Stockton → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Maria Alcantar, MSW, ASWStockton, CA 952021619097938
- Rudy ArrietaStockton, CA 952021659598670
- Dennis BuettnerStockton, CA 952021205050549
- Lee ChangStockton, CA 952021174712004
- Adriana Cruz, ASWStockton, CA 952021871612697
- Marjorie Depauli, MSWStockton, CA 952021245416791
- Susan Gruber, MSWStockton, CA 952021811014780
- Robert HerreraStockton, CA 952021346362712
Common questions
What is Martin Guillermo Alcaraz's NPI number?
Martin Guillermo Alcaraz's National Provider Identifier (NPI) is 1033558580, issued on Jun 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Martin Guillermo Alcaraz located?
The NPPES record lists a practice address at 1149 N EL Dorado St, Stockton, CA, 95202. Phone: (209) 468-2335. Providers update this record themselves, so call before visiting.
How can I verify Martin Guillermo Alcaraz's license?
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.