Hien Thi-Thu Duong, D.D.S
General Practice Dentistry · Westminster, CA
Hien Thi-Thu Duong, D.D.S is a general practice dentistry with a practice address in Westminster, California, and NPI 1134340524, issued on May 1, 2007. Check the license (California 36148, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hien Thi-Thu Duong
- Credential
- D.D.S
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 36148 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7911 Westminster Blvd, Westminster, CA 92683
- Phone
- (714) 373-8032
- Enumerated
- May 1, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 373-8034
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 7911 Westminster Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Pham, DDSDentist1972388411
Verify Hien Thi-Thu Duong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 36148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average general practice dentistry in 2024
109 Medicare Part D claims for 42 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
- Amoxicillin50 claims
- Chlorhexidine Gluconate37 claims
- Ibuprofen16 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.
Industry payments in 2024: $19.67
1 payment: education; the largest payer was Colgate Oral Pharmaceuticals, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Hien Thi-Thu Duong among 17,852 general practice dentistry records in California
Hien Thi-Thu Duong, 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).
94 general practice dentistry records list a practice address in Westminster
They are 94 of the 1,306 NPPES records with a practice address in Westminster, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Westminster → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
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- Rho Chao, D.M.D.Westminster, CA 926831154433423
- Mai Dang, DDSWestminster, CA 926831114927076
- Lester Lim, DDSWestminster, CA 926831386742500
- Chaulinh Mai, D.D.SWestminster, CA 926831518068816
- Nader Mehr, D.D.SWestminster, CA 926831629178694
Common questions
What is Hien Thi-Thu Duong, D.D.S's NPI number?
Hien Thi-Thu Duong, D.D.S's National Provider Identifier (NPI) is 1134340524, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hien Thi-Thu Duong, D.D.S located?
The NPPES record lists a practice address at 7911 Westminster Blvd, Westminster, CA, 92683. Phone: (714) 373-8032. Providers update this record themselves, so call before visiting.
How can I verify Hien Thi-Thu Duong, D.D.S's license?
NPPES lists California license number 36148, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hien Thi-Thu Duong, D.D.S prescribe under Medicare Part D?
In 2024, Hien Thi-Thu Duong, D.D.S had 109 Medicare Part D claims for 42 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.