Thang D. Nguyen, MD
Surgery Physician · Fountain Valley, CA
Thang D. Nguyen, MD is a surgery physician with a practice address in Fountain Valley, California, and NPI 1831279009, issued on Oct 16, 2006. Check the license (California A76049, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thang D. Nguyen
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- A76049 CA
000000A76049 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11190 Warner Ave, Fountain Valley, CA 92708
- Phone
- (714) 434-0404
- Enumerated
- Oct 16, 2006
- Record last updated
- Jul 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050811000689); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 11190 Warner Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thang D. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76049Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average surgery physician in 2024
296 Medicare Part D claims for 163 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 172 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen154 claims
- Gabapentin15 claims
- Oxycodone-Acetaminophen15 claims
- Tamsulosin Hcl13 claims
- Amoxicillin-Clavulanate Potass12 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): 87.2 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: $970.51
20 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Thang D. Nguyen among 3,118 surgery physician records in California
Thang D. Nguyen, MD is one of 3,118 surgery physician records with a practice address in California. 75% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1999 · median 2003 among the 1,901 with a school on file
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Fountain Valley → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Joel Berman, M.D.Fountain Valley, CA 927081790724490
- Sean Cao, M.D.Fountain Valley, CA 927081558360966
- Edgar Fernandez, M.D.Fountain Valley, CA 927081861456980
- Sahil Gambhir, M.D.Fountain Valley, CA 927081760878607
- Richard Guerrero, M.D.Fountain Valley, CA 927081891715835
- Atif Iqbal, MDFountain Valley, CA 927081669592473
- Quy Le, M.D.Fountain Valley, CA 927081073762274
- Parin Patel, M.D.Fountain Valley, CA 927081275780207
Common questions
What is Thang D. Nguyen, MD's NPI number?
Thang D. Nguyen, MD's National Provider Identifier (NPI) is 1831279009, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thang D. Nguyen, MD located?
The NPPES record lists a practice address at 11190 Warner Ave, Fountain Valley, CA, 92708. Phone: (714) 434-0404. Providers update this record themselves, so call before visiting.
How can I verify Thang D. Nguyen, MD's license?
NPPES lists California license number A76049, 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 Thang D. Nguyen, MD prescribe under Medicare Part D?
In 2024, Thang D. Nguyen, MD had 296 Medicare Part D claims for 163 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Thang D. Nguyen, MD's MIPS final score?
The 2023 MIPS final score is 87.2 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.