Thanh Duc Nguyen, DMD
Dentist · Fountain Valley, CA
Thanh Duc Nguyen, DMD is a dentist with a practice address in Fountain Valley, California, and NPI 1093854788, issued on Feb 6, 2007. Check the license (California 53473, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thanh Duc Nguyen
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 53473 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9520 Warner Ave Ste B, Fountain Valley, CA 92708
- Phone
- (714) 377-0117
- Enumerated
- Feb 6, 2007
- Record last updated
- Oct 23, 2025
- Fax
- (714) 377-0177
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 9520 Warner Ave Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thanh Nguyen, DMDGeneral Practice Dentistry1477022655
Verify Thanh Duc Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 53473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average dentist in 2024
55 Medicare Part D claims for 28 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin28 claims
- Ibuprofen13 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.
Thanh Duc Nguyen among 14,729 dentist records in California
Thanh Duc Nguyen, DMD is one of 14,729 dentist records with a practice address in California. 56% 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 18% of them.
- NPI issued2007 · 18% of these records are older, 58% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2025 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 dentist records list a practice address in Fountain Valley
They are 41 of the 2,190 NPPES records with a practice address in Fountain Valley, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Fountain Valley → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Veda Afsahi, DDSFountain Valley, CA 927081992745772
- Hassan Alhaouasli, DDSFountain Valley, CA 927081942361175
- David Cohen, DDSFountain Valley, CA 927081003859489
- Peter Do, D.D.S.Fountain Valley, CA 927081467580084
- Wadid Fattouch, DDSFountain Valley, CA 927081962419051
- Thanh Ho, D.M.D.Fountain Valley, CA 927081386780294
- Garry Jones, DDSFountain Valley, CA 927081780661363
- Frank Le, D.D.SFountain Valley, CA 927081427041235
Common questions
What is Thanh Duc Nguyen, DMD's NPI number?
Thanh Duc Nguyen, DMD's National Provider Identifier (NPI) is 1093854788, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thanh Duc Nguyen, DMD located?
The NPPES record lists a practice address at 9520 Warner Ave Ste B, Fountain Valley, CA, 92708. Phone: (714) 377-0117. Providers update this record themselves, so call before visiting.
How can I verify Thanh Duc Nguyen, DMD's license?
NPPES lists California license number 53473, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Thanh Duc Nguyen, DMD prescribe under Medicare Part D?
In 2024, Thanh Duc Nguyen, DMD had 55 Medicare Part D claims for 28 beneficiaries; the average among dentist prescribers was 86. 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.