CHIDINMA OJI FNP
NPI 1013348069
Nurse Practitioner - Family in Downers Grove, IL
About Chidinma Oji Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIDINMA OJI FNP (NPI 1013348069) is an individual family provider in Downers Grove, Illinois, licensed in Illinois (277001515) and active in the NPI registry since December 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Chidinma Oji Fnp 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
4Medicare enrollment records show Chidinma Oji reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Oakbrook Terrace, IL 60181
- Reassigned Medicare billing, Illinois enrollment
- 189 clinicians in this Medicare group
Burr Ridge, IL 60527
- Reassigned Medicare billing, Illinois enrollment
- 183 clinicians in this Medicare group
Oak Forest, IL 60452
- Reassigned Medicare billing, Illinois enrollment
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 3
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 60515 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
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 Oji's NPI number?
The NPI number for Chidinma Oji is 1013348069. It was assigned to this individual provider in the NPPES registry on December 2, 2013.
Where is Chidinma Oji located?
Chidinma Oji practices at 1441 Branding Ave Suite 310, Downers Grove, IL 60515. The listed phone number is (630) 571-8990.
What is Chidinma Oji's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Chidinma Oji enrolled in Medicare?
Yes. Chidinma Oji 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 Chidinma Oji's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chidinma Oji reassigns Medicare benefits to 4 organizations: Advocate Health And Hospitals Corporation (Downers Grove, IL), Vpa PC (Oakbrook Terrace, IL), Paragon Clinical LLC (Burr Ridge, IL) and Timelycare And Behavioral Services Inc (Oak Forest, IL). 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 Oji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chidinma Oji accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Chidinma Oji as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Chidinma Oji was last updated on September 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.