NPPES file of Aug 9, 2026

Thomas Leong

Social Worker · Gardena, CA

Thomas Leong is a social worker with a practice address in Gardena, California, and NPI 1770363301, issued on Oct 2, 2023. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1770363301
Name
Thomas Leong
Primary taxonomy
Social Worker 104100000X
Practice location
879 W 190TH St Ste 720, Gardena, CA 90248
Phone
(310) 217-7312
Enumerated
Oct 2, 2023
Record last updated
May 26, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest social worker records → All 10,332 in California → Look up another NPI →

Also registered at 879 W 190TH St Ste 720

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

  1. Greta CasinoClinical Social Worker1568236594
  2. Helen Chang, LCSWClinical Social Worker1255400842
  3. Jaimie Chou, PSYCHOLOGISTClinical Psychologist1477612646
  4. Janet Fleishman, LCSWClinical Social Worker1346384930
  5. Linda LeeClinical Social Worker1497802821
  6. Andrea Marie Muffeletto-McNeely, REGISTERED NURSEPsychiatric/Mental Health Registered Nurse1538045497

Verify Thomas Leong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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Thomas Leong among 10,332 social worker records in California

Thomas Leong 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 2023, is newer than 75% of them.

  • NPI issued2023 · 75% of these records are older, 18% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2026 · 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).

Social Worker providers in California

There are 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 Gardena → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. David BacaGardena, CA 902481376756486
  2. Daisy BeltranGardena, CA 902481932331709
  3. Michael Ehimuan, ACSWGardena, CA 902481104740968
  4. Maria GarciaGardena, CA 902481306098454
  5. Erika Houston-SamuelsGardena, CA 902481659689321
  6. Christina NewportGardena, CA 902481760741763
  7. Nwanyiozo OfoegbuGardena, CA 902481013170547
  8. Erica RobledoGardena, CA 902481578887881

Common questions

What is Thomas Leong's NPI number?

Thomas Leong's National Provider Identifier (NPI) is 1770363301, issued on Oct 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Leong located?

The NPPES record lists a practice address at 879 W 190TH St Ste 720, Gardena, CA, 90248. Phone: (310) 217-7312. Providers update this record themselves, so call before visiting.

How can I verify Thomas Leong'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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.