Quick answers
- Does Vinh N. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Vinh N. 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 Vinh N. Nguyen see?
- In 2024, CMS data shows 1,195 Original Medicare patients and 9,092 services for Vinh N. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Vinh N. Nguyen's NPI number?
- 1003077256. 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 Vinh N. 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 | 1,195 |
|---|---|
| Services billed to Medicare | 9,092 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)6,151 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,300 services
- Mri scan of brain without contrast (70551)297 services
- Mri scan of lower spinal canal without contrast (72148)293 services
- Mri scan of brain before and after contrast (70553)184 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 cholesterol75%
- High blood pressure72%
- Arthritis68%
- Anxiety32%
- Diabetes28%
- Depression28%
Practice locations
Addresses where Vinh N. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1036 Breakaway DrOceanside, CA 92057 (480) 306‑6949
- 15775 Laguna Canyon Rd, Suite 140Irvine, CA 92618 (949) 522‑8120
- 24 Pacific GrvIrvine, CA 92602 (480) 306‑6949
- 24022 Calle De La Plata, Suite 100Laguna Hills, CA 92653 (949) 330‑8996
- 8370 Wilshire Blvd, 110 Simonmed Imaging Beverly Hills Stand UpBeverly Hills, CA 90211 (323) 966‑0000
Group practices
Medicare enrollment lists Vinh N. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Smi Imaging LLC384 clinicians in the group
- Health Diagnostics of California a Professional Corporation183 clinicians in the group
- Howard Simon MD PLLC60 clinicians in the group
- Howard John Simon MD PC38 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, CA — not a recommendation.
Other clinicians in Smi Imaging LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003077256 |
| 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