OLANREWAJU ONI MD
NPI 1174103360
Pathology - Anatomic Pathology & Clinical Pathology in Mattoon, IL

Active since April 12, 2021PECOS EnrolledAccepts Medicare Assignment
1000 HEALTH CENTER DR, MATTOON, IL 61938(217) 258-2247 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 23, 2025, Apr 12, 2021 (2 updates tracked since 2021).

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

NPI1174103360
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameOLANREWAJU ONICredential: MD
Location Address1000 HEALTH CENTER DRMattoon, IL 61938-4644
Mailing AddressPo Box 372Mattoon, IL 61938-0372
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 12, 2021
Last NPPES UpdateJune 23, 20262 updates tracked since enumeration
NPPES CertifiedJune 23, 2026
✔ NPI 1174103360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in IL · 036178144
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
1000 HEALTH CENTER DR, Mattoon, IL 61938

Secondary Practice Location 1

Location 1650 W Taylor StVandalia, IL 62471-1227 · Phone (618) 283-5444

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.

PECOS PAC ID2567986714
PECOS Enrollment IDI20260701004569
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Family Medicine
1000 HEALTH CENTER DR
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, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140189
Location1000 Health Center Drive P O Box 372Mattoon, IL 61938 · Coles County
Emergency services Birthing friendly

Physician 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.

New Patient
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Hospitalist
1000 HEALTH CENTER DR
MATTOON, IL 61938
Nurse Anesthetist, Certified Registered
1000 HEALTH CENTER DR
MATTOON, IL 61938
Occupational Therapist
1000 HEALTH CENTER DR
MATTOON, IL 61938
Internal Medicine (Gastroenterology)
1000 HEALTH CENTER DR
MATTOON, IL 61938
Physician Assistant
1000 HEALTH CENTER DR
MATTOON, IL 61938
Internal Medicine
1000 HEALTH CENTER DR
MATTOON, IL 61938
Emergency Medicine
1000 HEALTH CENTER DR
MATTOON, IL 61938
Anesthesiology
1000 HEALTH CENTER DR
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.