NPPES file of Aug 9, 2026

Robert Steven Gonzalez, LCSW, MS

Clinical Social Worker · Ontario, CA

Robert Steven Gonzalez, LCSW, MS is a clinical social worker with a practice address in Ontario, California, and NPI 1285994491, issued on May 22, 2012. Check the license (California 74442, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285994491
Name
Robert Steven Gonzalez
Credential
LCSW, MS
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
74442 CA
Self-reported in NPPES; status is on the state search
Practice location
2295 S Vineyard Ave, Ontario, CA 91761
Phone
(909) 724-3320
Enumerated
May 22, 2012
Record last updated
Oct 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(909) 724-3321
Medicare enrollment
Enrolled (PECOS I20180604002581); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2295 S Vineyard Ave

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

  1. Ana Mae Abaya, NPFamily Nurse Practitioner1255164943
  2. Sheila Marie Adan, D.O.Family Medicine Physician1912272733
  3. Anna Alley, CRNACertified Registered Nurse Anesthetist1518399732
  4. Hye Hyun An, PHARMDPharmacist1578428470
  5. Leonila Araneta, LCSWClinical Social Worker1861771974
  6. Fernando AvilaFamily Medicine Physician1396364147

Verify Robert Steven Gonzalez 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 74442
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupChino, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Steven Gonzalez among 36,261 clinical social worker records in California

Robert Steven Gonzalez, LCSW, MS is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 38% of them.

  • NPI issued2012 · 38% of these records are older, 58% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2013 · median 2012 among the 4,008 with a school on file
  • Record last updated2021 · 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 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

137 clinical social worker records list a practice address in Ontario

They are 137 of the 5,375 NPPES records with a practice address in Ontario, and 36,261 clinical social worker records in California.

The 8 clinical social worker records with the nearest ZIP codes

  1. Leonila Araneta, LCSWOntario, CA 917611861771974
  2. Michelle BallardOntario, CA 917611982900783
  3. Cynthia Curbow, LCSWOntario, CA 917611619005071
  4. Elisa Lopez-Garcia, LCSWOntario, CA 917611548456346
  5. Viviana Martinez, LCSWOntario, CA 917611245491885
  6. Carmen Perryman, LCSWOntario, CA 917611417145384
  7. Jennifer Ponce, LCSWOntario, CA 917611477841666
  8. Dora PorterOntario, CA 917611821379231

Common questions

What is Robert Steven Gonzalez, LCSW, MS's NPI number?

Robert Steven Gonzalez, LCSW, MS's National Provider Identifier (NPI) is 1285994491, issued on May 22, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Robert Steven Gonzalez, LCSW, MS located?

The NPPES record lists a practice address at 2295 S Vineyard Ave, Ontario, CA, 91761. Phone: (909) 724-3320. Providers update this record themselves, so call before visiting.

How can I verify Robert Steven Gonzalez, LCSW, MS's license?

NPPES lists California license number 74442, 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. Medicare files from data.cms.gov. 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.