Quick answers
- Does Quoc-Han Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Quoc-Han Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Quoc-Han Nguyen see?
- In 2024, CMS data shows 923 Original Medicare patients and 2,998 services for Quoc-Han Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Quoc-Han Nguyen's NPI number?
- 1013476878. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Quoc-Han Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 923 |
|---|---|
| Services billed to Medicare | 2,998 |
| Different services or procedures | 118 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)438 services
- Ct scan head or brain without contrast (70450)73 services
- X-ray of abdomen, 1 view (74018)57 services
- Ct scan of abdomen and pelvis with contrast (74177)56 services
- X-ray of chest, 2 views (71046)51 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes52%
- Arthritis44%
- Ischemic heart disease42%
- Heart failure39%
Hospitals where Quoc-Han Nguyen works
Medicare's Facility Affiliation Data lists Quoc-Han Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health SonoraSonora, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050335
- Doctors Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050464
- Emanuel Medical CenterTurlock, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050179
- Mercy Medical CenterMerced, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050444
- Shands JacksonvilleJacksonville, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100001
Practice locations
Addresses where Quoc-Han Nguyen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1441 Florida AveModesto, CA 95350 (209) 576‑3626
- 15255 Max Leggett PkwyJacksonville, FL 32218 (904) 383‑1000
- 15255 Max Leggett Pkwy, Suite 3600Jacksonville, FL 32218 (904) 383‑1000
- 3900 Geer RdTurlock, CA 95382 (209) 669‑0600
- 4555 Emerson StJacksonville, FL 32207
Group practices
Medicare enrollment lists Quoc-Han Nguyen as a member of these groups (CMS data updated October 2, 2026).
- University of Florida Jacksonville Physicians, Inc.910 clinicians in the group
- Modesto Radiological Medical Group Inc91 clinicians in the group
- Turlock Imaging Services, LLC15 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Modesto
Clinicians with the same Medicare primary specialty in Modesto, CA — not a recommendation.
Other clinicians in University of Florida Jacksonville Physicians, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013476878 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians