NPPES file of Aug 9, 2026

John H. Nguyen, DDS

Dentist · Watkins Glen, NY

John H. Nguyen, DDS is a dentist with a practice address in Watkins Glen, New York, and NPI 1497951057, issued on Jun 21, 2007. Check the license (New York 0492391, as entered in NPPES) with the New York 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
1497951057
Name
John H. Nguyen
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
0492391 NY
Self-reported in NPPES; status is on the state search
Practice location
215 7TH St, Watkins Glen, NY 14891
Phone
(607) 535-7744
Enumerated
Jun 21, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(607) 535-4857
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 215 7TH St

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

  1. Kristine Nguyen, DMDDentist1285830984

Verify John H. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 0492391
    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 New York 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.

56% more Medicare Part D claims than the average dentist in 2024

134 Medicare Part D claims for 64 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. John Nguyen134
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate62 claims
  2. Amoxicillin42 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: $163.25

2 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. 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. John Nguyen$163.25
  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.

John H. Nguyen among 5,918 dentist records in New York

John H. Nguyen, DDS is one of 5,918 dentist records with a practice address in New York. 58% 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 26% of them.

  • NPI issued2007 · 26% of these records are older, 51% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 76% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 dentist records list a practice address in Watkins Glen

They are 3 of the 120 NPPES records with a practice address in Watkins Glen, and 5,918 dentist records in New York.

The 8 dentist records with the nearest ZIP codes

  1. Patrick Fitzgerald, DDSWatkins Glen, NY 148911164604898
  2. Kristine Nguyen, DMDWatkins Glen, NY 148911285830984
  3. Joseph Picco, DDSWaverly, NY 148921982718763
  4. Manpriya Atwaul, DDSWellsville, NY 148951902530868
  5. Mahbubur Rahman, DDSWellsville, NY 148951275156036
  6. Mai Huynh, DDSElmira, NY 149011104052760
  7. Ann Lee, DDSElmira, NY 149021689877540
  8. Vikramjit Anand, DDSElmira, NY 149031740345545

Common questions

What is John H. Nguyen, DDS's NPI number?

John H. Nguyen, DDS's National Provider Identifier (NPI) is 1497951057, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John H. Nguyen, DDS located?

The NPPES record lists a practice address at 215 7TH St, Watkins Glen, NY, 14891. Phone: (607) 535-7744. Providers update this record themselves, so call before visiting.

How can I verify John H. Nguyen, DDS's license?

NPPES lists New York license number 0492391, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does John H. Nguyen, DDS prescribe under Medicare Part D?

In 2024, John H. Nguyen, DDS had 134 Medicare Part D claims for 64 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.