NPPES file of Aug 9, 2026

Sau Thong

Family Medicine Physician · Ontario, CA

Sau Thong is a family medicine physician with a practice address in Ontario, California, and NPI 1629603972, issued on Mar 6, 2020. Check the license (California 95013862, as entered in NPPES) on the Medical Board of California; 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
1629603972
Name
Sau Thong
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
95013862 CA
Self-reported in NPPES; status is on the state search
Practice location
1109 W Francis St Apt D, Ontario, CA 91762
Phone
(909) 896-9292
Enumerated
Mar 6, 2020
Record last updated
Mar 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20260527003100); may accept 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.
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Verify Sau Thong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 95013862
    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
Open 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.

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Sau Thong among 17,133 family medicine physician records in California

Sau Thong is one of 17,133 family medicine physician records with a practice address in California. 81% 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 2020, is newer than 88% of them.

  • NPI issued2020 · 88% of these records are older, 9% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2017 · median 2005 among the 10,652 with a school on file
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joanne Benzor, MDOntario, CA 917621700977220
  2. Mauricio Bonilla, MDOntario, CA 917621801424866
  3. Vache Chakmakian, M.D.Ontario, CA 917621316974652
  4. Nicholas Ely, MDOntario, CA 917621770089757
  5. Rashmi Godugu, MDOntario, CA 917621669049391
  6. Charles Ho, M.D.Ontario, CA 917621801902051
  7. Chao-Ming Lin, MDOntario, CA 917621457428351
  8. Luis A Lomeli, M.D.Ontario, CA 917621124261896

Common questions

What is Sau Thong's NPI number?

Sau Thong's National Provider Identifier (NPI) is 1629603972, issued on Mar 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Sau Thong located?

The NPPES record lists a practice address at 1109 W Francis St Apt D, Ontario, CA, 91762. Phone: (909) 896-9292. Providers update this record themselves, so call before visiting.

How can I verify Sau Thong's license?

NPPES lists California license number 95013862, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.