Hai Hoang Nguyen, M.D.
Family Medicine Physician · San Jose, CA
Hai Hoang Nguyen, M.D. is a family medicine physician with a practice address in San Jose, California, and NPI 1326079997, issued on Jul 5, 2006. Check the license (California A344680, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hai Hoang Nguyen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A344680 CA
Self-reported in NPPES; status is on the state search - Practice location
- 210 N Jackson Ave, San Jose, CA 95116
- Phone
- (408) 251-6127
- Enumerated
- Jul 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050310001081); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 210 N Jackson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vu Nguyen, D.O.Family Medicine Physician1225063290
Verify Hai Hoang Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A344680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family medicine physician in 2024
689 Medicare Part D claims for 236 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Atorvastatin Calcium46 claims
- Triamcinolone Acetonide46 claims
- Amlodipine Besylate40 claims
- Losartan Potassium40 claims
- Amoxicillin32 claims
- Azithromycin29 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: $454.55
32 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Hai Hoang Nguyen MD IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hai Hoang Nguyen among 17,133 family medicine physician records in California
Hai Hoang Nguyen, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1966 · median 2005 among the 10,652 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
265 family medicine physician records list a practice address in San Jose
They are 265 of the 20,925 NPPES records with a practice address in San Jose, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Jose → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sekhar Ujwala Eadula, M.D.San Jose, CA 951161427313345
- Elena Ermakova, MDSan Jose, CA 951161932322112
- Darith Khay, M.D.San Jose, CA 951161295761609
- Joshua Lopez, D.O.San Jose, CA 951161629288766
- James Luu, D.O.San Jose, CA 951161104915198
- Chau Nguyen, M.D.San Jose, CA 951161285612028
- Vu Nguyen, D.O.San Jose, CA 951161225063290
- Trung Nguyen, M.D.San Jose, CA 951161245306794
Common questions
What is Hai Hoang Nguyen, M.D.'s NPI number?
Hai Hoang Nguyen, M.D.'s National Provider Identifier (NPI) is 1326079997, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hai Hoang Nguyen, M.D. located?
The NPPES record lists a practice address at 210 N Jackson Ave, San Jose, CA, 95116. Phone: (408) 251-6127. Providers update this record themselves, so call before visiting.
How can I verify Hai Hoang Nguyen, M.D.'s license?
NPPES lists California license number A344680, 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 Hai Hoang Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Hai Hoang Nguyen, M.D. had 689 Medicare Part D claims for 236 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.