OLANREWAJU ONI MD
NPI 1174103360
Pathology - Anatomic Pathology & Clinical Pathology in Mattoon, IL
About Olanrewaju Oni Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLANREWAJU ONI MD (NPI 1174103360) is an individual anatomic pathology & clinical pathology provider in Mattoon, Illinois, licensed in Illinois (036178144) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Sarah Bush Lincoln Health Center, and maintains a secondary practice location in Vandalia.
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
Olanrewaju Oni Md 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 Reassignment
Medicare enrollment records show Olanrewaju Oni reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mattoon, IL 61938
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1912988734 (Illinois)
- 652 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sarah Bush Lincoln Health Center
Acute Care Hospitals · Mattoon, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61938 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.
MATTOON, IL 61938
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 Olanrewaju Oni's NPI number?
The NPI number for Olanrewaju Oni is 1174103360. It was assigned to this individual provider in the NPPES registry on April 12, 2021.
Where is Olanrewaju Oni located?
Olanrewaju Oni practices at 1000 Health Center Dr, Mattoon, IL 61938. The listed phone number is (217) 258-2247.
What is Olanrewaju Oni's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Olanrewaju Oni enrolled in Medicare?
Yes. Olanrewaju Oni 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 organization bills Medicare for Olanrewaju Oni's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olanrewaju Oni reassigns Medicare benefits to Sarah Bush Lincoln Health Center (Mattoon, IL). The 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 Olanrewaju Oni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Olanrewaju Oni affiliated with any hospitals?
According to CMS data, Olanrewaju Oni is affiliated with Sarah Bush Lincoln Health Center.
When was this NPI record last updated?
The NPPES record for Olanrewaju Oni was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.