Cuong Tonthat, D.D.S.
General Practice Dentistry · San Jose, CA
Cuong Tonthat, D.D.S. is a general practice dentistry with a practice address in San Jose, California, and NPI 1942350558, issued on Jan 12, 2007. Check the license (California 45206, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cuong Tonthat
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 45206 CA
Self-reported in NPPES; status is on the state search - Practice location
- 56 N 13TH St, San Jose, CA 95112
- Phone
- (408) 295-2530
- Enumerated
- Jan 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 56 N 13TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phuongnguyen Tonnu, D.D.S.General Practice Dentistry1023037587
Verify Cuong Tonthat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 45206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average general practice dentistry in 2024
31 Medicare Part D claims for 26 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Cuong Tonthat among 17,852 general practice dentistry records in California
Cuong Tonthat, D.D.S. 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. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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).
583 general practice dentistry records list a practice address in San Jose
They are 583 of the 20,925 NPPES records with a practice address in San Jose, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in San Jose → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- George Barghouth, DDSSan Jose, CA 951121174749634
- Martha Barragan, DDSSan Jose, CA 951121669542304
- Harold Baumstein, DDSSan Jose, CA 951121356480461
- Maria Asela Caces-Tiamson, DDSSan Jose, CA 951121659499069
- Bich - Hai Duong, D.D.SSan Jose, CA 951121619065653
- Phuong Luu, DDSSan Jose, CA 951121568689743
- Luz Nares, DDSSan Jose, CA 951121417174509
- Parastoo Parsa, DDSSan Jose, CA 951121134346729
Common questions
What is Cuong Tonthat, D.D.S.'s NPI number?
Cuong Tonthat, D.D.S.'s National Provider Identifier (NPI) is 1942350558, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cuong Tonthat, D.D.S. located?
The NPPES record lists a practice address at 56 N 13TH St, San Jose, CA, 95112. Phone: (408) 295-2530. Providers update this record themselves, so call before visiting.
How can I verify Cuong Tonthat, D.D.S.'s license?
NPPES lists California license number 45206, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cuong Tonthat, D.D.S. prescribe under Medicare Part D?
In 2024, Cuong Tonthat, D.D.S. had 31 Medicare Part D claims for 26 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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.