NPPES file of Aug 9, 2026

Isabelle Nguyen-Quoc, DDS

General Practice Dentistry · Anacortes, WA

Isabelle Nguyen-Quoc, DDS is a general practice dentistry with a practice address in Anacortes, Washington, and NPI 1265952006, issued on Jun 22, 2017. Check the license (Washington DE61205989, as entered in NPPES) with the Washington 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
1265952006
Name
Isabelle Nguyen-Quoc
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
DE61205989 WA
33094 TX
Self-reported in NPPES; status is on the state search
Practice location
901 8T St, Anacortes, WA 98221
Phone
(360) 293-8421
Enumerated
Jun 22, 2017
Record last updated
Apr 28, 2023
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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Verify Isabelle Nguyen-Quoc in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license DE61205989
    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 Washington license search

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1% fewer Medicare Part D claims than the average general practice dentistry in 2024

82 Medicare Part D claims for 57 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Isabelle Nguyen-Quoc82
  2. Specialty average83

Most prescribed

  1. Amoxicillin21 claims
  2. Chlorhexidine Gluconate15 claims
  3. Dexamethasone11 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.

Isabelle Nguyen-Quoc among 3,196 general practice dentistry records in Washington

Isabelle Nguyen-Quoc, DDS is one of 3,196 general practice dentistry records with a practice address in Washington. 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 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 17% 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 updated2023 · 72% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 general practice dentistry records list a practice address in Anacortes

They are 11 of the 467 NPPES records with a practice address in Anacortes, and 3,196 general practice dentistry records in Washington.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Bill Bethards, DDSAnacortes, WA 982211982687737
  2. Randle Carr, D.D.S.Anacortes, WA 982211962720953
  3. Roy Chen, D.M.D.Anacortes, WA 982211538298567
  4. Ryan Collins, D.D.S.Anacortes, WA 982211326018169
  5. Emily Hobart, DMDAnacortes, WA 982211164800306
  6. David Kuzma, DDSAnacortes, WA 982211205868924
  7. David Olausen, D.D.S.Anacortes, WA 982211912024993
  8. Daniel Rasmussen, DMDAnacortes, WA 982211649396995

Common questions

What is Isabelle Nguyen-Quoc, DDS's NPI number?

Isabelle Nguyen-Quoc, DDS's National Provider Identifier (NPI) is 1265952006, issued on Jun 22, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Isabelle Nguyen-Quoc, DDS located?

The NPPES record lists a practice address at 901 8T St, Anacortes, WA, 98221. Phone: (360) 293-8421. Providers update this record themselves, so call before visiting.

How can I verify Isabelle Nguyen-Quoc, DDS's license?

NPPES lists Washington license number DE61205989, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Isabelle Nguyen-Quoc, DDS prescribe under Medicare Part D?

In 2024, Isabelle Nguyen-Quoc, DDS had 82 Medicare Part D claims for 57 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.