Thanh Van Nguyen, M.D.
Otolaryngology Physician · Fountain Valley, CA
Thanh Van Nguyen, M.D. is an otolaryngology physician with a practice address in Fountain Valley, California, and NPI 1508862061, issued on Jun 21, 2005. Check the license (California G85166, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanh Van Nguyen
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- G85166 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10760 Warner Avenue, Fountain Valley, CA 92708
- Phone
- (714) 593-5356
- Enumerated
- Jun 21, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 593-5366
- Medicare enrollment
- Enrolled (PECOS I20080228000233); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 10760 Warner Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Douglas Tran, MDOtolaryngology Physician1922003623
Verify Thanh Van Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% more Medicare Part D claims than the average otolaryngology physician in 2024
959 Medicare Part D claims for 261 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl332 claims
- Fluticasone Propionate192 claims
- Ipratropium Bromide158 claims
- Montelukast Sodium38 claims
- Mupirocin35 claims
- Doxycycline Hyclate31 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $305.03
11 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 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.
Thanh Van Nguyen among 1,212 otolaryngology physician records in California
Thanh Van Nguyen, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1993 · median 2004 among the 818 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Fountain Valley → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Tam Bui, M.D.Fountain Valley, CA 927081215937859
- Cyril Mahood, MDFountain Valley, CA 927081598762742
- Veeral Patel, MDFountain Valley, CA 927081790284347
- Douglas Tran, MDFountain Valley, CA 927081922003623
- Avrum Kaufman, DOLadera Ranch, CA 926941093863722
- Michael Cho, MDMission Viejo, CA 926911750313508
- Michelle Lee, MDMission Viejo, CA 926911396322673
- Quang Luu, MDMission Viejo, CA 926911861528663
Common questions
What is Thanh Van Nguyen, M.D.'s NPI number?
Thanh Van Nguyen, M.D.'s National Provider Identifier (NPI) is 1508862061, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thanh Van Nguyen, M.D. located?
The NPPES record lists a practice address at 10760 Warner Avenue, Fountain Valley, CA, 92708. Phone: (714) 593-5356. Providers update this record themselves, so call before visiting.
How can I verify Thanh Van Nguyen, M.D.'s license?
NPPES lists California license number G85166, 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.
How much does Thanh Van Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Thanh Van Nguyen, M.D. had 959 Medicare Part D claims for 261 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Thanh Van Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.