NPPES file of Aug 9, 2026

An Nguyen

Dentist · Saint Louis, MO

An Nguyen is a dentist with a practice address in Saint Louis, Missouri, and NPI 1336546191, issued on Nov 21, 2014. Check the license (Missouri 2014015267, as entered in NPPES) with the Missouri 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
1336546191
Name
An Nguyen
Primary taxonomy
Dentist 122300000X
License number
2014015267 MO
Self-reported in NPPES; status is on the state search
Practice location
3320 Rutger St, Saint Louis, MO 63104
Phone
(314) 977-8363
Enumerated
Nov 21, 2014
Record last updated
Nov 21, 2014 (not updated in 12 years: call before relying on the address or phone)
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.
Download card Updates feed

Also registered at 3320 Rutger St

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

  1. Annie Bonis, DDSStudent in an Organized Health Care Education/Training Program1730972852
  2. Narumol Chongthanavanit, DDS,MSStudent in an Organized Health Care Education/Training Program1780949842
  3. Strater Crowfoot, DDSStudent in an Organized Health Care Education/Training Program1700400868
  4. Lauren Eckert, DMDStudent in an Organized Health Care Education/Training Program1962256529
  5. Azadeh Eslami Amin, DDSOrthodontics and Dentofacial Orthopedics Dentistry1164860490
  6. Daniel Fortino, DDSDentist1740641240

Verify An Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2014015267
    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 Missouri 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

17% fewer Medicare Part D claims than the average dentist in 2024

71 Medicare Part D claims for 51 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. An Nguyen71
  2. Specialty average86

Most prescribed

  1. Amoxicillin42 claims
  2. Chlorhexidine Gluconate11 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: $59.04

1 payment: food and beverage; the largest payer was Envista Holdings Corporation. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. An Nguyen$59.04
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

An Nguyen among 1,647 dentist records in Missouri

An Nguyen is one of 1,647 dentist records with a practice address in Missouri. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 58% of them.

  • NPI issued2014 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2014 · 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Missouri

There are 1,647 dentist records in Missouri.

The 8 dentist records with the nearest ZIP codes

  1. Balasudha Baladhandayutham, BDS, MSDSaint Louis, MO 631041932474665
  2. Paul Bigg, DMDSaint Louis, MO 631041891358735
  3. Bradly Bush, DMDSaint Louis, MO 631041033219712
  4. Daniel Fortino, DDSSaint Louis, MO 631041740641240
  5. Rohan George, DMDSaint Louis, MO 631041770074551
  6. Lindsay Gorman, D.M.D.Saint Louis, MO 631041255905493
  7. Prashanth Konatham Haribabu, DDS, BDS, MDS, MSDSt Louis, MO 631041811317142
  8. Arthur Popkowski, DDSSaint Louis, MO 631041700374543

Common questions

What is An Nguyen's NPI number?

An Nguyen's National Provider Identifier (NPI) is 1336546191, issued on Nov 21, 2014. An NPI identifies a provider in billing; it is not a license.

Where is An Nguyen located?

The NPPES record lists a practice address at 3320 Rutger St, Saint Louis, MO, 63104. Phone: (314) 977-8363. Providers update this record themselves, so call before visiting.

How can I verify An Nguyen's license?

NPPES lists Missouri license number 2014015267, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does An Nguyen prescribe under Medicare Part D?

In 2024, An Nguyen had 71 Medicare Part D claims for 51 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.