Quick answers
- Does Y Vien T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Y Vien 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 Y Vien T. Nguyen see?
- In 2024, CMS data shows 489 Original Medicare patients and 5,412 services for Y Vien T. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Y Vien T. Nguyen's NPI number?
- 1811135627. 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 Y Vien 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 | 489 |
|---|---|
| Services billed to Medicare | 5,412 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)2,800 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,015 services
- Ct scan of chest with contrast (71260)77 services
- Ct scan of chest without contrast (71250)71 services
- Ct scan of abdomen and pelvis with contrast (74177)34 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%
- Arthritis52%
- Diabetes36%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)34%
- Ischemic heart disease33%
Hospitals where Y Vien T. Nguyen works
Medicare's Facility Affiliation Data lists Y Vien T. Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348
Practice locations
Addresses where Y Vien T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 the City Dr SOrange, CA 92868 (714) 456‑7004
- 4640 Admiralty Way, Suite 100Marina Del Rey, CA 90292 (310) 836‑4700
Group practices
Medicare enrollment lists Y Vien T. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Beverly Radiology Medical Group III328 clinicians in the group
- UC Regents108 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Other clinicians in Beverly Radiology Medical Group III
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811135627 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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