Quick answers
- Does Trung D. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Trung D. 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 Trung D. Nguyen see?
- In 2024, CMS data shows 526 Original Medicare patients and 535 services for Trung D. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Trung D. Nguyen's NPI number?
- 1316018765. 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 Trung D. 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 | 526 |
|---|---|
| Services billed to Medicare | 535 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)214 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)106 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)98 services
- Anesthesia for exam of colon using an endoscope (00812)87 services
- Anesthesia for other procedure on eye (00140)20 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 cholesterol74%
- High blood pressure61%
- Arthritis37%
- Ischemic heart disease23%
- Diabetes22%
- Osteoporosis22%
Practice locations
Addresses where Trung D. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2340 Montpelier DrSan Jose, CA 95116 (408) 538‑8934
- 2425 Samaritan DrSan Jose, CA 95124 (408) 559‑2011
Group practices
Medicare enrollment lists Trung D. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- G2 Anesthesia PC107 clinicians in the group
- Silicon Valley Anesthesia Associates Inc20 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Other clinicians in G2 Anesthesia PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316018765 |
| 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
- 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