Quick answers
- Does Ngoc T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Ngoc T. 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 Ngoc T. Nguyen see?
- In 2024, CMS data shows 1,502 Original Medicare patients and 7,671 services for Ngoc T. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Ngoc T. Nguyen's NPI number?
- 1609935113. 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 Ngoc T. 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 | 1,502 |
|---|---|
| Services billed to Medicare | 7,671 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient problem focused exam of visual system (92012)2,245 services
- Exam of the internal drainage system of eye (92020)1,152 services
- Established patient complete exam of visual system (92014)1,064 services
- Exam of visual field with extended testing (92083)951 services
- Imaging of optic nerve (92133)609 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%
- Diabetes56%
- Osteoporosis32%
- Chronic kidney disease30%
- Arthritis29%
Practice locations
Addresses where Ngoc T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2380 Montpelier Dr, Suite 300San Jose, CA 95116 (408) 272‑3706
Group practices
Medicare enrollment lists Ngoc T. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Ngoc Nguyen MD Inc2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Other clinicians in Ngoc Nguyen MD Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609935113 |
| 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