CHIDINMA ONUIGBO NP-C
NPI 1104337419
Nurse Practitioner - Family in Ontario, CA
About Chidinma Onuigbo Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIDINMA ONUIGBO NP-C (NPI 1104337419) is an individual family provider in Ontario, California, licensed in California (95019277) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Francisco.
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 (PECOS)
Chidinma Onuigbo Np-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Chidinma Onuigbo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Fulshear, TX 77441
- Reassigned Medicare billing, Texas enrollment
- 1,235 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91761 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ONTARIO, CA 91761
ONTARIO, CA 91761
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 Chidinma Onuigbo's NPI number?
The NPI number for Chidinma Onuigbo is 1104337419. It was assigned to this individual provider in the NPPES registry on October 13, 2017.
Where is Chidinma Onuigbo located?
Chidinma Onuigbo practices at 3110 E Guasti Rd Ste 315, Ontario, CA 91761. The listed phone number is (909) 981-1136.
What is Chidinma Onuigbo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Chidinma Onuigbo enrolled in Medicare?
Yes. Chidinma Onuigbo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Chidinma Onuigbo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chidinma Onuigbo reassigns Medicare benefits to 2 organizations: Memorialcare Medical Foundation (Fountain Valley, CA) and Memorial Hermann Medical Group (Fulshear, TX). 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 Chidinma Onuigbo'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 Chidinma Onuigbo was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.
# Chidinma Onuigbo, NP-C · NPI 1104337419
Family physician in Ontario, California. Individual provider, active in the CMS NPPES registry since October 13, 2017.
## Identity
- **NPI:** 1104337419 (Entity type: Individual)
- **Enumerated:** October 13, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95019277 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3110 E GUASTI RD STE 315, Ontario, CA 91761-1258
- **Phone:** (909) 981-1136
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA); Memorial Hermann Medical Group (NPI 1003985102, Fulshear, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1104337419) · Data from the CMS NPPES public registry.