Vinh Quy Nguyen, M.D.
Internal Medicine Physician · San Jose, CA
Vinh Quy Nguyen, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1720086556, issued on Jul 14, 2005. Check the license (California G053256, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Vinh Quy Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G053256 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Jose Figueres Ave, San Jose, CA 95116
- Phone
- (408) 254-1794
- Enumerated
- Jul 14, 2005
- Record last updated
- Jun 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (408) 254-7284
- Medicaid ID
- 00G532560 CA
- Medicare enrollment
- Enrolled (PECOS I20080409000240); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 200 Jose Figueres Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fakhar Abbas, MDInternal Medicine Physician1578022422
- Mohammed Ahmed, M.D.Cardiovascular Disease Physician1770593105
- Munawar Alavi, M.D.Specialist1851334403
- Manjari Aravamuthan, M.DInternal Medicine Physician1154410322
- Ly Do, M.D.Radiation Oncology Physician1376706929
- Morteza Dowlatshahi, M.D.Radiation Oncology Physician1437112158
Verify Vinh Quy Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G053256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.0 times the Medicare Part D claims of the average internal medicine physician in 2024
19,075 Medicare Part D claims for 806 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,887 claims
- Amlodipine Besylate1,550 claims
- Losartan Potassium1,078 claims
- Metformin Hcl Er509 claims
- Jardiance482 claims
- Rosuvastatin Calcium482 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.
Industry payments in 2024: $149.15
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Vinh Quy Nguyen among 17,696 internal medicine physician records in California
Vinh Quy Nguyen, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1983 · median 2004 among the 11,065 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Komal Bhatt, MDSan Jose, CA 951161003824699
- Richard Cathey, M.D.San Jose, CA 951161750343323
- Dinh Dam, M.D.San Jose, CA 951161518936616
- Jaco Fishenfeld, MDSan Jose, CA 951161689639577
- Jose Maria Guanzon, MDSan Jose, CA 951161134150881
- Teresita Guanzon, MDSan Jose, CA 951161306877055
- Dwight Lim, MDSan Jose, CA 951161124084561
- Syed Majid, MD, FRCP, FASAMSan Jose, CA 951161225009533
Common questions
What is Vinh Quy Nguyen, M.D.'s NPI number?
Vinh Quy Nguyen, M.D.'s National Provider Identifier (NPI) is 1720086556, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Vinh Quy Nguyen, M.D. located?
The NPPES record lists a practice address at 200 Jose Figueres Ave, San Jose, CA, 95116. Phone: (408) 254-1794. Providers update this record themselves, so call before visiting.
How can I verify Vinh Quy Nguyen, M.D.'s license?
NPPES lists California license number G053256, 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 Vinh Quy Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Vinh Quy Nguyen, M.D. had 19,075 Medicare Part D claims for 806 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.