HUNG QUOC NGUYEN MD
NPI 1740379312
Internal Medicine in Visalia, CA
About Hung Quoc Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HUNG QUOC NGUYEN MD (NPI 1740379312) is an individual internal medicine provider in Visalia, California, licensed in California (G77936) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1992).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Hung Quoc Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
20Medicare enrollment records show Hung Nguyen reassigns Medicare billing to 20 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hanford, CA 93230
- Reassigned Medicare billing, California enrollment
- 56 clinicians in this Medicare group
Porterville, CA 93257
- Reassigned Medicare billing, California enrollment
- 159 clinicians in this Medicare group
Mariposa, CA 95338
- Reassigned Medicare billing, California enrollment
- 179 clinicians in this Medicare group
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- 176 clinicians in this Medicare group
Gilroy, CA 95020
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1629301346 (California), NPI 1588721500 (California)
- 2,460 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 30 clinicians in this Medicare group
Pacoima, CA 91331
- Reassigned Medicare billing, California enrollment
- 119 clinicians in this Medicare group
Glendale, CA 91204
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93291 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VISALIA, CA 93291
VISALIA, CA 93291
VISALIA, CA 93291
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Hung Nguyen's NPI number?
The NPI number for Hung Nguyen is 1740379312. It was assigned to this individual provider in the NPPES registry on October 12, 2006.
Where is Hung Nguyen located?
Hung Nguyen practices at 400 W Mineral King Ave, Visalia, CA 93291. The listed phone number is (626) 646-4359.
What is Hung Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hung Nguyen enrolled in Medicare?
Yes. Hung Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Hung Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hung Nguyen reassigns Medicare benefits to 20 organizations: Central Valley Critical Care Medicine - A Professional Corporat (Hanford, CA), 24 On Physicians Of California, PC (Porterville, CA), Community Health Centers Of America (Mariposa, CA), Hospitalists Of Modesto Medical Group Inc (Modesto, CA), County Of Santa Clara (Gilroy, CA) and 15 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hung Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Hung Nguyen was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Hung Quoc Nguyen, MD · NPI 1740379312
Internal Medicine physician in Visalia, California. Individual provider, active in the CMS NPPES registry since October 12, 2006.
## Identity
- **NPI:** 1740379312 (Entity type: Individual)
- **Enumerated:** October 12, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** G77936 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 W MINERAL KING AVE, Visalia, CA 93291-6237
- **Phone:** (626) 646-4359 · **Fax:** (860) 591-8396
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 20 organizations under Medicare reassignment (form CMS-855R): Central Valley Critical Care Medicine - A Professional Corporat (NPI 1366829640, Hanford, CA); 24 On Physicians Of California, PC (NPI 1730570565, Porterville, CA); Community Health Centers Of America (NPI 1891207684, Mariposa, CA); Hospitalists Of Modesto Medical Group Inc (NPI 1821190711, Modesto, CA); County Of Santa Clara (NPI 1922093533, Gilroy, CA); and 15 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 1992
## Record status
- **NPPES last updated:** July 31, 2025
- **Other identifiers:** Medicaid 00G779360 (CA); Other G77936 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1740379312) · Data from the CMS NPPES public registry.