NPPES file of Aug 9, 2026

Khanh Nguyen, DMD

General Practice Dentistry · Tucson, AZ

Khanh Nguyen, DMD is a general practice dentistry with a practice address in Tucson, Arizona, and NPI 1558922146, issued on Jun 24, 2019. Check the license (Arizona D012059, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558922146
Name
Khanh Nguyen
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
D012059 AZ
7220 NV
Self-reported in NPPES; status is on the state search
Practice location
839 W Congress St, Tucson, AZ 85745
Phone
(520) 670-3909
Enumerated
Jun 24, 2019
Record last updated
Mar 6, 2025
Fax
(520) 309-2560
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 839 W Congress St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Denise Ahearn, MDPediatrics Physician1194719047
  2. Melinda Arias, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1720688369
  3. Andrew Arthur, MDPediatrics Physician1962484048
  4. Vienna Aslanian, LCSWClinical Social Worker1437743523
  5. James Austin, CNMAdvanced Practice Midwife1205398682
  6. Michelle Baas, CNMAdvanced Practice Midwife1164155487

Verify Khanh Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license D012059
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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60% fewer Medicare Part D claims than the average general practice dentistry in 2024

33 Medicare Part D claims for 23 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Khanh Nguyen33
  2. Specialty average83

Most prescribed

  1. Amoxicillin11 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.

Khanh Nguyen among 2,482 general practice dentistry records in Arizona

Khanh Nguyen, DMD is one of 2,482 general practice dentistry records with a practice address in Arizona. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.

  • NPI issued2019 · 81% of these records are older, 17% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2025 · 68% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

323 general practice dentistry records list a practice address in Tucson

They are 323 of the 18,788 NPPES records with a practice address in Tucson, and 2,482 general practice dentistry records in Arizona.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Michael Anderson, DDSTucson, AZ 857451760608913
  2. Stanley Baird, D.D.STucson, AZ 857451033328612
  3. Harold Black, DDSTucson, AZ 857451881750511
  4. James Duncan, DMDTucson, AZ 857451093153058
  5. Samira Ehteshami, DDSTucson, AZ 857451245619212
  6. Marwa Elkharsity, DDSTucson, AZ 857451407479504
  7. Soohyun Han, DMDTucson, AZ 857451598998833
  8. Lauren Hobeich, DDSTucson, AZ 857451750768651

Common questions

What is Khanh Nguyen, DMD's NPI number?

Khanh Nguyen, DMD's National Provider Identifier (NPI) is 1558922146, issued on Jun 24, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Khanh Nguyen, DMD located?

The NPPES record lists a practice address at 839 W Congress St, Tucson, AZ, 85745. Phone: (520) 670-3909. Providers update this record themselves, so call before visiting.

How can I verify Khanh Nguyen, DMD's license?

NPPES lists Arizona license number D012059, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Khanh Nguyen, DMD prescribe under Medicare Part D?

In 2024, Khanh Nguyen, DMD had 33 Medicare Part D claims for 23 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.