Mariana Gumm, ASW
Social Worker · Livingston, CA
Mariana Gumm, ASW is a social worker with a practice address in Livingston, California, and NPI 1003209826, issued on Mar 18, 2015. Check the license (California 61321, 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
- Mariana Gumm
- Credential
- ASW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 61321 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1140 Main St, Livingston, CA 95334
- Phone
- (209) 394-7913
- Enumerated
- Mar 18, 2015
- Record last updated
- Mar 18, 2015 (not updated in 11 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 Mariana Gumm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 61321Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2 social worker records list a practice address in Livingston
They are 2 of the 120 NPPES records with a practice address in Livingston, and 10,332 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2 in Livingston → All 10,332 in California → Every provider in Livingston →
Other social worker records in California
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- Katherine AbarcaRancho Cucamonga, CA1225814304
- Vafa AbbassiPasadena, CA1740538198
- Alexis AbbottSan Diego, CA1265158877
- Jeanne Abbott, LCSWModesto, CA1780786939
- Vanessa AbcedeLos Angeles, CA1306584495
- Sabrina AbdelmutiLong Beach, CA1215244280
- Michelle AbdennourNorthridge, CA1467838458
- Sara Abdi-PanarielloSacramento, CA1912186172
- Pearl AbdoGilroy, CA1598826802
Common questions
What is Mariana Gumm, ASW's NPI number?
Mariana Gumm, ASW's National Provider Identifier (NPI) is 1003209826, issued on Mar 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mariana Gumm, ASW 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 Mariana Gumm, ASW's license?
NPPES lists California license number 61321, 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.