William Duy-Dat Ton-That, DDS
General Practice Dentistry · San Diego, CA
William Duy-Dat Ton-That, DDS is a general practice dentistry with a practice address in San Diego, California, and NPI 1821917196, issued on Jul 13, 2026. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Duy-Dat Ton-That
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 8223 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4025 Tripoli Ave FL 2, San Diego, CA 92140
- Phone
- (161) 952-4400
- Enumerated
- Jul 13, 2026
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify William Duy-Dat Ton-That in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Duy-Dat Ton-That among 17,852 general practice dentistry records in California
William Duy-Dat Ton-That, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 2026, is newer than 99% of them.
- NPI issued2026 · 99% of these records are older, 0% newer
- In a Medicare fileNo · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
647 general practice dentistry records list a practice address in San Diego
They are 647 of the 52,937 NPPES records with a practice address in San Diego, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,852 in California → Every provider in San Diego → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Shelly Gareiss, DDSSan Diego, CA 921401528549177
- Eric Howard, DDSSan Diego, CA 921401437581899
- Stephen Hoyem, DDSSan Diego, CA 921401609916568
- John Kriz, DMDSan Diego, CA 921401992836977
- Anthony Marciante, DDSSan Diego, CA 921401700927514
- Carl Opsahl, D.D.S.San Diego, CA 921401205803566
- Marcus Thayn, DDSSan Diego, CA 921401992221659
- Bernie Manasan, DDSSan Diego, CA 921391679549430
Common questions
What is William Duy-Dat Ton-That, DDS's NPI number?
William Duy-Dat Ton-That, DDS's National Provider Identifier (NPI) is 1821917196, issued on Jul 13, 2026. An NPI identifies a provider in billing; it is not a license.
Where is William Duy-Dat Ton-That, DDS located?
The NPPES record lists a practice address at 4025 Tripoli Ave FL 2, San Diego, CA, 92140. Phone: (161) 952-4400. Providers update this record themselves, so call before visiting.
How can I verify William Duy-Dat Ton-That, DDS'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.
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.