Thanh Dinh Nguyen, M.D.
Nephrology Physician · Merced, CA
Thanh Dinh Nguyen, M.D. is a nephrology physician with a practice address in Merced, California, and NPI 1346419918, issued on Feb 27, 2008. Check the license (California A86202, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanh Dinh Nguyen
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A86202 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3393 G St, Merced, CA 95340
- Phone
- (209) 230-9065
- Enumerated
- Feb 27, 2008
- Record last updated
- Sep 17, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (209) 349-8511
- Medicare enrollment
- Enrolled (PECOS I20081107000346); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2002
- Entity
- Type 1 · individual
Also registered at 3393 G St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James McCabe, FNPFamily Nurse Practitioner1821642968
- Kenichi Miyata, MDSurgery Physician1376687772
Verify Thanh Dinh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% more Medicare Part D claims than the average nephrology physician in 2024
2,380 Medicare Part D claims for 431 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate244 claims
- Losartan Potassium157 claims
- Chlorthalidone145 claims
- Nifedipine Er123 claims
- Valsartan106 claims
- Furosemide90 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $80.34
3 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Bills Medicare through one group practice
- Stanislaus Kidney And HypertensionMerced, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
Other nephrology physician records in California
- Antoine Abcar, MDLos Angeles, CA1245301159
- Basmah Abdalla, M.D.Los Angeles, CA1629394002
- Omaran Abdeen, M.D.Mission Hills, CA1700878410
- Joseph Abdelmalek, M.DSan Diego, CA1740485531
- Lama Abdelnour, MDLos Angeles, CA1477817542
- Amir Abdi Pour, MDLoma Linda, CA1912187477
- Anas Abou-Ismail, MDPalm Springs, CA1598078784
- Graham Abra, M.D.Stanford, CA1760644678
- Sreedhar Adapa, M.D.Visalia, CA1881997872
- Gbemisola Adenuga, M.D.Los Angeles, CA1952464661
Common questions
What is Thanh Dinh Nguyen, M.D.'s NPI number?
Thanh Dinh Nguyen, M.D.'s National Provider Identifier (NPI) is 1346419918, issued on Feb 27, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thanh Dinh Nguyen, M.D. located?
The NPPES record lists a practice address at 3393 G St, Merced, CA, 95340. Phone: (209) 230-9065. Providers update this record themselves, so call before visiting.
How can I verify Thanh Dinh Nguyen, M.D.'s license?
NPPES lists California license number A86202, 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 Dinh Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Thanh Dinh Nguyen, M.D. had 2,380 Medicare Part D claims for 431 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Thanh Dinh Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.9 of 100, reported for the practice group. 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.