Thanh Nguyen-Dinh, M.D.
Geriatric Medicine (Internal Medicine) Physician · San Leandro, CA
Thanh Nguyen-Dinh, M.D. is a geriatric medicine (internal medicine) physician with a practice address in San Leandro, California, and NPI 1063495323, issued on Nov 21, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thanh Nguyen-Dinh
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 0101-31818 VA
Self-reported in NPPES; status is on the state search - Practice location
- 716 Raineer CT, San Leandro, CA 94577
- Phone
- (408) 681-8999
- Enumerated
- Nov 21, 2005
- Record last updated
- Dec 27, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060907000554); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Verify Thanh Nguyen-Dinh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,532 Medicare Part D claims for 1,021 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium358 claims
- Amlodipine Besylate329 claims
- Losartan Potassium198 claims
- Metformin Hcl154 claims
- Paxlovid97 claims
- Metoprolol Succinate96 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): 90.2 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: $54.59
2 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 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
- John Muir Physician NetworkWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thanh Nguyen-Dinh among 532 geriatric medicine (internal medicine) physician records in California
Thanh Nguyen-Dinh, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1974 · median 1999 among the 271 with a school on file
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in San Leandro → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Arlen Hoh, MD, MPHSan Leandro, CA 945781043356082
- Steven Rosenthal, M.D.San Leandro, CA 945781518022581
- Terry Hill, M.D.San Ramon, CA 945831033560388
- Chandra Keebler Bloom, MDVallejo, CA 945891497018238
- David Perts, M.D.Napa, CA 945581407822984
- Lucia Kim, MD, MPHWalnut Creek, CA 945981225118599
- William Strauss, MDMoraga, CA 945561932123312
- Edgar Calvelo, M.D.Yountville, CA 945991912971995
Common questions
What is Thanh Nguyen-Dinh, M.D.'s NPI number?
Thanh Nguyen-Dinh, M.D.'s National Provider Identifier (NPI) is 1063495323, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thanh Nguyen-Dinh, M.D. located?
The NPPES record lists a practice address at 716 Raineer CT, San Leandro, CA, 94577. Phone: (408) 681-8999. Providers update this record themselves, so call before visiting.
How can I verify Thanh Nguyen-Dinh, M.D.'s license?
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 Nguyen-Dinh, M.D. prescribe under Medicare Part D?
In 2024, Thanh Nguyen-Dinh, M.D. had 3,532 Medicare Part D claims for 1,021 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Thanh Nguyen-Dinh, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.2 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.