DR. STELLA CHIOMA ONYI D.O.
NPI 1881057750
Radiology - Diagnostic Radiology in Hemet, CA
About Dr. Stella Chioma Onyi D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STELLA CHIOMA ONYI D.O. (NPI 1881057750) is an individual diagnostic radiology provider in Hemet, California, licensed in California (20A16545) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Apple Valley, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stella Chioma Onyi D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Stella Onyi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 24 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 69
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92543 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HEMET, CA 92543
HEMET, CA 92543
HEMET, CA 92543
HEMET, CA 92543
HEMET, CA 92543
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stella Onyi's NPI number?
The NPI number for Stella Onyi is 1881057750. It was assigned to this individual provider in the NPPES registry on March 30, 2016.
Where is Stella Onyi located?
Stella Onyi practices at 1117 E Devonshire Ave, Hemet, CA 92543. The listed phone number is (951) 925-6309.
What is Stella Onyi's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Stella Onyi enrolled in Medicare?
Yes. Stella Onyi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stella Onyi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stella Onyi reassigns Medicare benefits to 6 organizations: Seven Star Hospital Associates Inc. (Hemet, CA), Sol Radiology, Inc. (Victorville, CA), Krishna Das MD Inc. (Victorville, CA), Megha Nayyar Gupta MD Inc. (Victorville, CA), Rahul Nayyar MD Inc (Victorville, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stella Onyi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stella Onyi was last updated on January 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.