Y Vien Nguyen, D.O.
NPI 1811135627 · Body Imaging Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Y Vien Nguyen, D.O. is a Body Imaging Physician provider in Mission Viejo, CA (NPI 1811135627).
Provider details
- NPI number
- 1811135627
- Entity type
- Individual
- Primary specialty
- Body Imaging PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A12652 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
317 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan of Chest With Contrast71260 | 54 | $55 |
| Ct Scan of Chest Without Contrast71250 | 36 | $52 |
| Ct Scan of Chest Without Contrast71250 | 35 | $129 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 34 | $89 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 25 | $85 |
| Ct Scan of Chest With Contrast71260 | 23 | $114 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-02
- Last updated
- 2025-06-16
- Certified
- 2025-06-16
Frequently asked questions
- What is Y Vien Nguyen's NPI number?
- Y Vien Nguyen's National Provider Identifier (NPI) is 1811135627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Y Vien Nguyen's specialty?
- Y Vien Nguyen is listed in the NPPES registry with a primary specialty of Body Imaging Physician (Allopathic & Osteopathic Physicians).
- Where is Y Vien Nguyen located?
- Y Vien Nguyen's practice location on file with NPPES is 27700 Medical Center Rd, Mission Viejo, CA 92691-6426.
- What is Y Vien Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Y Vien Nguyen is (949) 364-7744.
- Does Y Vien Nguyen accept Medicare?
- Y Vien Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Y Vien Nguyen's NPI active?
- Yes — Y Vien Nguyen's NPI (1811135627) is active in the NPPES registry as of the last update on 2025-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.