Hung Quoc Nguyen, MD
Internal Medicine Physician · Visalia, CA
Hung Quoc Nguyen, MD is an internal medicine physician with a practice address in Visalia, California, and NPI 1740379312, issued on Oct 12, 2006. Check the license (California G77936, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hung Quoc Nguyen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G77936 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 W Mineral King Ave, Visalia, CA 93291
- Phone
- (626) 646-4359
- Enumerated
- Oct 12, 2006
- Record last updated
- Jul 31, 2025
- Fax
- (860) 591-8396
- Medicaid ID
- 00G779360 CA
- Medicare enrollment
- Enrolled (PECOS I20171117002233); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 400 W Mineral King Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hung Quoc Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
126 Medicare Part D claims for 41 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Desert Group Services PCJoshua Tree, CA
- Unicare Community Health Center, Inc.Ontario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hung Quoc Nguyen among 17,696 internal medicine physician records in California
Hung Quoc Nguyen, MD 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
- Graduated1992 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
58 internal medicine physician records list a practice address in Visalia
They are 58 of the 4,225 NPPES records with a practice address in Visalia, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Visalia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Chawki Gerges, M.D.Visalia, CA 932911982600946
- Lawrence Ginsberg, M.D.Visalia, CA 932911326044181
- Bruce Hall, M.D.Visalia, CA 932911720085251
- Thanit Hasadsri, M.D.Visalia, CA 932911346334687
- Monica Manga, M.D.Visalia, CA 932911669479630
- Olayinka Omololu, MDVisalia, CA 932911861445470
- Henry Ow-Yong, M.D.Visalia, CA 932911154435428
- Angela Pap, M.D.Visalia, CA 932911477550838
Common questions
What is Hung Quoc Nguyen, MD's NPI number?
Hung Quoc Nguyen, MD's National Provider Identifier (NPI) is 1740379312, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hung Quoc Nguyen, MD located?
The NPPES record lists a practice address at 400 W Mineral King Ave, Visalia, CA, 93291. Phone: (626) 646-4359. Providers update this record themselves, so call before visiting.
How can I verify Hung Quoc Nguyen, MD's license?
NPPES lists California license number G77936, 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 Quoc Nguyen, MD prescribe under Medicare Part D?
In 2024, Hung Quoc Nguyen, MD had 126 Medicare Part D claims for 41 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.