NPPES file of Aug 9, 2026

Olivia Nguyen, DDS

General Practice Dentistry · Garden Grove, CA

Olivia Nguyen, DDS is a general practice dentistry with a practice address in Garden Grove, California, and NPI 1396104758, issued on Feb 15, 2016. Check the license (California 100471, as entered in NPPES) with the California 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
1396104758
Name
Olivia Nguyen
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
100471 CA
Self-reported in NPPES; status is on the state search
Practice location
9862 Chapman Ave Ste B, Garden Grove, CA 92841
Phone
(714) 531-0530
Enumerated
Feb 15, 2016
Record last updated
Mar 17, 2018 (not updated in 8 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 9862 Chapman Ave Ste B

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

  1. Jason AllisonCase Manager/Care Coordinator1528540895
  2. Ha DangSocial Worker1720482623
  3. Cathy DaoCase Manager/Care Coordinator1548828791
  4. Alexis GutierrezCase Manager/Care Coordinator1386001931
  5. Sang-Mok Lee, D.D.S.General Practice Dentistry1871639948
  6. Keziah Lei MortizGeneral Practice Registered Nurse1619526316

Verify Olivia Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 100471
    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 California 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.

6% more Medicare Part D claims than the average general practice dentistry in 2024

88 Medicare Part D claims for 46 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Olivia Nguyen88
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate45 claims
  2. Triamcinolone Acetonide16 claims
  3. Amoxicillin15 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.

Olivia Nguyen among 17,852 general practice dentistry records in California

Olivia Nguyen, DDS is one of 17,852 general practice dentistry records with a practice address in California. 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 2016, is newer than 80% of them.

  • NPI issued2016 · 80% of these records are older, 19% 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 updated2018 · 79% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

86 general practice dentistry records list a practice address in Garden Grove

They are 86 of the 4,572 NPPES records with a practice address in Garden Grove, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Steeve Choe, DDSGarden Grove, CA 928411033320460
  2. Huong Hoang, DDSGarden Grove, CA 928411295860013
  3. Sang-Mok Lee, D.D.S.Garden Grove, CA 928411871639948
  4. Sharon Mai, DDSGarden Grove, CA 928411184496085
  5. Suzanne Nguyen, DDSGarden Grove, CA 928411376515916
  6. Jaime Nguyen, DDSGarden Grove, CA 928411174623615
  7. Deukjae Oh, D.D.S.Garden Grove, CA 928411740336270
  8. Victor Tadang, DDSGarden Grove, CA 928411417032020

Common questions

What is Olivia Nguyen, DDS's NPI number?

Olivia Nguyen, DDS's National Provider Identifier (NPI) is 1396104758, issued on Feb 15, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Olivia Nguyen, DDS located?

The NPPES record lists a practice address at 9862 Chapman Ave Ste B, Garden Grove, CA, 92841. Phone: (714) 531-0530. Providers update this record themselves, so call before visiting.

How can I verify Olivia Nguyen, DDS's license?

NPPES lists California license number 100471, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Olivia Nguyen, DDS prescribe under Medicare Part D?

In 2024, Olivia Nguyen, DDS had 88 Medicare Part D claims for 46 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.