NPPES file of Aug 9, 2026

Thao Nguyen, DDS, MSD

Orthodontics and Dentofacial Orthopedics Dentistry · Irvine, CA

Thao Nguyen, DDS, MSD is an orthodontics and dentofacial orthopedics dentistry with a practice address in Irvine, California, and NPI 1598949331, issued on Dec 27, 2007. Check the license (California 53840, 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
1598949331
Name
Thao Nguyen
Credential
DDS, MSD
Primary taxonomy
Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
License numbers
53840 CA
4781 NV
Self-reported in NPPES; status is on the state search
Practice location
10 Ingleside, Irvine, CA 92620
Phone
(702) 882-5614
Enumerated
Dec 27, 2007
Record last updated
Jan 7, 2008 (not updated in 18 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.
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8 nearest orthodontics and dentofacial orthopedics dentistry records → All 1,881 in California → Look up another NPI →

Verify Thao 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 53840    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.

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Industry payments in 2024: $29.90

1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 7,622 providers of this specialty with any payment received $1,641.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thao Nguyen$29.90
  2. Specialty average$1,641.73

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

Thao Nguyen among 1,881 orthodontics and dentofacial orthopedics dentistry records in California

Thao Nguyen, DDS, MSD is one of 1,881 orthodontics and dentofacial orthopedics dentistry records with a practice address in California. 56% 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 22% of them.

  • NPI issued2007 · 22% of these records are older, 49% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223X0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthodontics and Dentofacial Orthopedics Dentistry providers in California

There are 1,881 orthodontics and dentofacial orthopedics dentistry records in California.

All 1,881 in California → Every provider in Irvine → Orthodontics and Dentofacial Orthopedics Dentistry nationwide →

The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes

  1. Augustine Kim, DDSIrvine, CA 926201245545375
  2. Mana Naeim, DDSIrvine, CA 926201346901907
  3. Simon Shung, DMDIrvine, CA 926201134104052
  4. David Phoon Choe, DDS, MSIrvine, CA 926181073094652
  5. Mahsa DoustiIrvine, CA 926181609320241
  6. Alene Le, D.D.S., M.S.Irvine, CA 926181699823476
  7. Donggeun Lee, DDSIrvine, CA 926181275101750
  8. Jessica LiuIrvine, CA 926181720648280

Common questions

What is Thao Nguyen, DDS, MSD's NPI number?

Thao Nguyen, DDS, MSD's National Provider Identifier (NPI) is 1598949331, issued on Dec 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thao Nguyen, DDS, MSD located?

The NPPES record lists a practice address at 10 Ingleside, Irvine, CA, 92620. Phone: (702) 882-5614. Providers update this record themselves, so call before visiting.

How can I verify Thao Nguyen, DDS, MSD's license?

NPPES lists California license number 53840, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.