Thong H Nguyen, MD
Diagnostic Radiology Physician · Orange, CA
Thong H Nguyen, MD is a diagnostic radiology physician with a practice address in Orange, California, and NPI 1194805366, issued on Oct 16, 2006. Check the license (California 000000A44976, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thong H Nguyen
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 000000A44976 CA
Self-reported in NPPES; status is on the state search - Practice location
- Uci Medical Center, Orange, CA 92868
- Phone
- (714) 456-8978
- Enumerated
- Oct 16, 2006
- Record last updated
- Feb 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at Uci Medical Center
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thong H Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 000000A44976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $69.40
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thong H Nguyen among 4,500 diagnostic radiology physician records in California
Thong H Nguyen, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 diagnostic radiology physician records list a practice address in Orange
They are 122 of the 13,245 NPPES records with a practice address in Orange, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Orange → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Elizabeth Cambray-Forker, D.O.Orange, CA 928681295734838
- Michael Forino, M.D.Orange, CA 928681891794319
- David Karlin, M.D.Orange, CA 928681477552016
- Paul Kupperstein, D.O.Orange, CA 928681679572218
- Mark Masotto, M.D.Orange, CA 928681033118336
- Stanley Nakamoto, M.D.Orange, CA 928681285633784
- Kurt Openshaw, M.D.Orange, CA 928681881693174
- Barry Paull, M.D.Orange, CA 928681982603486
Common questions
What is Thong H Nguyen, MD's NPI number?
Thong H Nguyen, MD's National Provider Identifier (NPI) is 1194805366, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thong H Nguyen, MD located?
The NPPES record lists a practice address at Uci Medical Center, Orange, CA, 92868. Phone: (714) 456-8978. Providers update this record themselves, so call before visiting.
How can I verify Thong H Nguyen, MD's license?
NPPES lists California license number 000000A44976, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.