Quick answers
- Does Huy A. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Huy A. 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 Huy A. Nguyen see?
- In 2024, CMS data shows 311 Original Medicare patients and 730 services for Huy A. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Huy A. Nguyen's NPI number?
- 1073517306. 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 Huy A. 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 | 311 |
|---|---|
| Services billed to Medicare | 730 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)162 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)121 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)112 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)54 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)48 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%
- Diabetes53%
- Arthritis30%
- Chronic kidney disease28%
- Osteoporosis28%
Practice locations
Addresses where Huy A. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2331 Montpelier Dr, Suite BSan Jose, CA 95116 (408) 347‑9001
Group practices
Medicare enrollment lists Huy A. Nguyen as a member of this group (CMS data updated October 2, 2026).
- San Jose Gastroenterology, Inc.11 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Other clinicians in San Jose Gastroenterology, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073517306 |
| 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