Quick answers
- Does Christine V. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Christine V. 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 Christine V. Nguyen see?
- In 2024, CMS data shows 728 Original Medicare patients and 3,369 services for Christine V. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Christine V. Nguyen's NPI number?
- 1780017897. 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 Christine V. 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 | 728 |
|---|---|
| Services billed to Medicare | 3,369 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,395 services
- Exam of visual field with extended testing (92083)361 services
- Photography of the retina (92250)324 services
- Imaging of optic nerve (92133)318 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)182 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%
- Diabetes49%
- Arthritis47%
- Chronic kidney disease34%
- Ischemic heart disease28%
Practice locations
Addresses where Christine V. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 18111 Brookhurst St, Suite 6400Fountain Valley, CA 92708 (714) 963‑1444
- 8341 Westminster Blvd, Suite 202Westminster, CA 92683 (714) 725‑8989
Group practices
Medicare enrollment lists Christine V. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Jules Stein Eye Institute Medical Group119 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Other clinicians in Jules Stein Eye Institute Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780017897 |
| 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