Hung Nguyen, M.D.
Internal Medicine Physician · Garden Grove, CA
Hung Nguyen, M.D. is an internal medicine physician with a practice address in Garden Grove, California, and NPI 1538181763, issued on Jul 24, 2006. Check the license (California G71814, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hung Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G71814 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10900 Westminster Ave Ste 3, Garden Grove, CA 92843
- Phone
- (714) 539-0444
- Enumerated
- Jul 24, 2006
- Record last updated
- Apr 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (714) 539-3339
- Medicare enrollment
- Enrolled (PECOS I20060914000529); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Hung Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average internal medicine physician in 2024
11,854 Medicare Part D claims for 716 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 150 claims were for opioids.
Most prescribed
- Amlodipine Besylate568 claims
- Atorvastatin Calcium540 claims
- Celecoxib483 claims
- Losartan Potassium452 claims
- Triamcinolone Acetonide339 claims
- Azithromycin320 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): 29.3 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: $1,202.77
11 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.
Bills Medicare through one group practice
- Hung Nguyen, M.D., Inc.Garden Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hung Nguyen among 17,696 internal medicine physician records in California
Hung 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2017 · 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).
39 internal medicine physician records list a practice address in Garden Grove
They are 39 of the 4,572 NPPES records with a practice address in Garden Grove, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Garden Grove → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Douglas Clark, M.D.Garden Grove, CA 928431780688572
- Asaad Hakim, M.D.Garden Grove, CA 928431477504082
- Julie Hwynn, M.D.Garden Grove, CA 928431780682401
- Shireen Khalife, DOGarden Grove, CA 928431962922393
- Se-Young Lee, M.D.Garden Grove, CA 928431144336967
- Euil Lim, D.OGarden Grove, CA 928431770930828
- Philip Lynn, M.D.Garden Grove, CA 928431326044819
- Tuan Xuan Nguyen, MDGarden Grove, CA 928431679519821
Common questions
What is Hung Nguyen, M.D.'s NPI number?
Hung Nguyen, M.D.'s National Provider Identifier (NPI) is 1538181763, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hung Nguyen, M.D. located?
The NPPES record lists a practice address at 10900 Westminster Ave Ste 3, Garden Grove, CA, 92843. Phone: (714) 539-0444. Providers update this record themselves, so call before visiting.
How can I verify Hung Nguyen, M.D.'s license?
NPPES lists California license number G71814, 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 Hung Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Hung Nguyen, M.D. had 11,854 Medicare Part D claims for 716 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Hung Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 29.3 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.