Quick answers
- Does Vincent Q. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Vincent Q. 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 Vincent Q. Nguyen see?
- In 2024, CMS data shows 421 Original Medicare patients and 9,034 services for Vincent Q. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Vincent Q. Nguyen's NPI number?
- 1972846822. 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 Vincent Q. 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 | 421 |
|---|---|
| Services billed to Medicare | 9,034 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)5,820 services
- Imaging of retina (92134)890 services
- Injection of drug into eye (67028)582 services
- Injection, aflibercept, 1 mg (J0178)532 services
- Established patient problem focused exam of visual system (92012)337 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 cholesterol73%
- High blood pressure71%
- Arthritis42%
- Diabetes34%
- Chronic kidney disease26%
- Ischemic heart disease23%
Practice locations
Addresses where Vincent Q. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 3231 Waring CtOceanside, CA 92056 (760) 631‑6144
- 7695 Cardinal Ct, Suite 100San Diego, CA 92123 (858) 609‑7100
Group practices
Medicare enrollment lists Vincent Q. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Vincent Q Nguyen MD Inc3 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, CA — not a recommendation.
Other clinicians in Vincent Q Nguyen MD Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972846822 |
| 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