Leticia Guillen, LCSW
Clinical Social Worker · Livingston, CA
Leticia Guillen, LCSW is a clinical social worker with a practice address in Livingston, California, and NPI 1194851642, issued on Feb 26, 2007. Check the license (California LCS29433, 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
- Leticia Guillen
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS29433 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1140 Main St, Livingston, CA 95334
- Phone
- (209) 394-7913
- Enumerated
- Feb 26, 2007
- Record last updated
- May 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (209) 394-3660
- Entity
- Type 1 · individual
Also registered at 1140 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rohit Arora, DOHospitalist Physician1154717213
- Erika Arredondo, LVNLicensed Vocational Nurse1831499870
- Myriam Castaneda, PAPhysician Assistant1710217799
- Stephanie Castillo, FNPNurse Practitioner1083147730
- Martina Cisneros, LCSWClinical Social Worker1073760211
- Jesus Corral, PAPhysician Assistant1558536003
Verify Leticia Guillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS29433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5 clinical social worker records list a practice address in Livingston
They are 5 of the 120 NPPES records with a practice address in Livingston, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5 in Livingston → All 36,261 in California → Every provider in Livingston →
Other clinical social worker records in California
- Lynne Aalan, LCSWYountville, CA1417195710
- Ahmad Fahim AalemiSacramento, CA1033052410
- Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
- Shari Aarons, LCSWTarzana, CA1467636845
- Mary Aarsheim, LCSWPenn Valley, CA1104192616
- Sandra Aase, LCSWRiverside, CA1699872325
- Maria Abaci, LCSWSan Rafael, CA1205161924
- Louisa AbadaOakland, CA1023502259
- Alejandro Abarca, LCSWSonora, CA1538184676
- Daisy Abarca, ACSWRoseville, CA1548124779
Common questions
What is Leticia Guillen, LCSW's NPI number?
Leticia Guillen, LCSW's National Provider Identifier (NPI) is 1194851642, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leticia Guillen, LCSW located?
The NPPES record lists a practice address at 1140 Main St, Livingston, CA, 95334. Phone: (209) 394-7913. Providers update this record themselves, so call before visiting.
How can I verify Leticia Guillen, LCSW's license?
NPPES lists California license number LCS29433, 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.