OSF MULTI-SPECIALTY GROUP
NPI 1922445527
Internal Medicine in Peoria, IL
About Osf Multi-specialty Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OSF MULTI-SPECIALTY GROUP (NPI 1922445527) is a healthcare organization registered as an internal medicine in Peoria, Illinois and active in the NPI registry since May 2013. The organization lists Kirsten Marie Largent, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Osf Multi-specialty Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
3,127Medicare enrollment records show 3,127 clinicians reassign Medicare billing to Osf Multi-Specialty Group, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 781 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 66
Nearest to this location (20)
See all 3,127Peoria, IL 61637
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Osf Multi-Specialty Group's NPI number?
The NPI number for Osf Multi-Specialty Group is 1922445527. It was assigned to this organization in the NPPES registry on May 23, 2013.
Where is Osf Multi-Specialty Group located?
Osf Multi-Specialty Group is located at 8600 N State Route 91, Peoria, IL 61615. The listed phone number is (309) 683-5050.
What is Osf Multi-Specialty Group's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Osf Multi-Specialty Group enrolled in Medicare?
Yes. Osf Multi-Specialty Group is registered in the Medicare PECOS enrollment system.
When is Osf Multi-Specialty Group's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Illinois, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Osf Multi-Specialty Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 3,127 clinicians in 66 Medicare specialties reassign their Medicare billing to Osf Multi-Specialty Group. A 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 the clinician's services. The largest specialties are Nurse Practitioner (855), Emergency Medicine (262) and Internal Medicine (233). Of these, 2 practice at this address and 781 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Osf Multi-Specialty Group accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 5 other insurers list Osf Multi-Specialty Group 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 Osf Multi-Specialty Group was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Osf Multi-Specialty Group · NPI 1922445527
Internal Medicine organization in Peoria, Illinois. Organization record, active in the CMS NPPES registry since May 23, 2013.
## Identity
- **NPI:** 1922445527 (Entity type: Organization)
- **Enumerated:** May 23, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** Yes (part of Osf Healthcare System)
- **Authorized official:** Kirsten Largent, CFO
## Practice location
- **Address:** 8600 N STATE ROUTE 91, Peoria, IL 61615-9541
- **Phone:** (309) 683-5050 · **Fax:** (309) 683-4739
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, Illinois, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 3,127 clinicians in 66 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (855), Emergency Medicine (262), Internal Medicine (233); 2 practice at this address and 781 within 10 miles; [full list](https://npiprofile.com/npi/1922445527/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 23, 2026
- **Other identifiers:** Medicaid 000 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1922445527) · Data from the CMS NPPES public registry.