Theresa Nguyen
Dentist · Tucson, AZ
Theresa Nguyen is a dentist with a practice address in Tucson, Arizona, and NPI 1578917803, issued on Apr 23, 2016. Check the license (Arizona D009617, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa Nguyen
- Primary taxonomy
- Dentist 122300000X
- License numbers
- D009617 AZ
DDS100716 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 W Commerce CT Bldg 3, Tucson, AZ 85746
- Phone
- (520) 670-3909
- Enumerated
- Apr 23, 2016
- Record last updated
- Sep 23, 2025
- Fax
- (520) 309-2560
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,928 in Arizona → Look up another NPI →
Also registered at 1500 W Commerce CT Bldg 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Andreasen, DMDPediatric Dentistry1114537487
- Maryanne Briones, DMDDentist1942852579
- Anh Dinh, DDSGeneral Practice Dentistry1609610757
- Eunice Gomez MoraDentist1366283962
- Jeulia HernandezProfessional Counselor1770257735
- Joshua Jih, DMDDentist1225011158
Verify Theresa Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license D009617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average dentist in 2024
13 Medicare Part D claims, 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.
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.
Theresa Nguyen among 1,928 dentist records in Arizona
Theresa Nguyen is one of 1,928 dentist records with a practice address in Arizona. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 66% of them.
- NPI issued2016 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2025 · 66% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
221 dentist records list a practice address in Tucson
They are 221 of the 18,788 NPPES records with a practice address in Tucson, and 1,928 dentist records in Arizona.
All 1,928 in Arizona → Every provider in Tucson → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Maryanne Briones, DMDTucson, AZ 857461942852579
- Mrinal GantiTucson, AZ 857461467139394
- Michele Ghassemlou, D.D.S.Tucson, AZ 857461417489246
- Alyssa HolmesTucson, AZ 857461922685650
- Joseph Hosek, DDSTucson, AZ 857461952481871
- Eric Jewell, D.D.S.Tucson, AZ 857461235219155
- Joshua Jih, DMDTucson, AZ 857461225011158
- Pejman Moghbeli, DMDTucson, AZ 857461548752587
Common questions
What is Theresa Nguyen's NPI number?
Theresa Nguyen's National Provider Identifier (NPI) is 1578917803, issued on Apr 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Nguyen located?
The NPPES record lists a practice address at 1500 W Commerce CT Bldg 3, Tucson, AZ, 85746. Phone: (520) 670-3909. Providers update this record themselves, so call before visiting.
How can I verify Theresa Nguyen's license?
NPPES lists Arizona license number D009617, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa Nguyen prescribe under Medicare Part D?
In 2024, Theresa Nguyen had 13 Medicare Part D claims; 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.