Stella Onyi, D.O.
NPI 1881057750 · Diagnostic Radiology Physician · Hemet, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stella Onyi, D.O. is a Diagnostic Radiology Physician provider in Hemet, CA (NPI 1881057750).
Provider details
- NPI number
- 1881057750
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A16545 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
5,145 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,537 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 410 | $40 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 354 | $82 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 195 | $86 |
| Ct Scan of Chest Without Contrast71250 | 150 | $50 |
| X-Ray of Chest, 2 Views71046 | 145 | $10 |
Practice location
Mailing address
Additional practice locations (1)
- 19111 Town Center DrApple Valley, CA 92308-8989Phone: (760) 699-2900
Registry dates
- Enumerated
- 2016-03-30
- Last updated
- 2024-01-17
- Certified
- 2024-01-17
Frequently asked questions
- What is Stella Onyi's NPI number?
- Stella Onyi's National Provider Identifier (NPI) is 1881057750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stella Onyi's specialty?
- Stella Onyi is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stella Onyi located?
- Stella Onyi's practice location on file with NPPES is 1117 E Devonshire Ave, Hemet, CA 92543-3083.
- What is Stella Onyi's phone number?
- The practice phone number listed in the NPPES registry for Stella Onyi is (951) 925-6309.
- Does Stella Onyi accept Medicare?
- Stella Onyi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stella Onyi's NPI active?
- Yes — Stella Onyi's NPI (1881057750) is active in the NPPES registry as of the last update on 2024-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.