RADIOLOGY SUBSPECIALISTS OF NORTHERN ILLINOIS, LLC
NPI 1104378942
Radiology - Diagnostic Radiology in Geneva, IL
About Radiology Subspecialists Of Northern Illinois, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RADIOLOGY SUBSPECIALISTS OF NORTHERN ILLINOIS, LLC (NPI 1104378942) is a healthcare organization registered as a diagnostic radiology in Geneva, Illinois and active in the NPI registry since October 2016. The organization lists Diane Sarka, Credentialing Specialist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Radiology Subspecialists Of Northern Illinois, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
42Medicare enrollment records show 42 clinicians reassign Medicare billing to Radiology Subspecialists Of Northern Illinois, LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 17 within 10 miles. Listed here are the 20 practicing nearest to this location.
Nearest to this location (20)
See all 42Geneva, IL 60134
Winfield, IL 60190
Schaumburg, IL 60173
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 Radiology Subspecialists Of Northern Illinois, LLC's NPI number?
The NPI number for Radiology Subspecialists Of Northern Illinois, LLC is 1104378942. It was assigned to this organization in the NPPES registry on October 27, 2016.
Where is Radiology Subspecialists Of Northern Illinois, LLC located?
Radiology Subspecialists Of Northern Illinois, LLC is located at 825 W State St Suite 103E, Geneva, IL 60134. The listed phone number is (630) 208-4412.
What is Radiology Subspecialists Of Northern Illinois, LLC's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Radiology Subspecialists Of Northern Illinois, LLC enrolled in Medicare?
Yes. Radiology Subspecialists Of Northern Illinois, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Radiology Subspecialists Of Northern Illinois, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 42 clinicians, all in Diagnostic Radiology, reassign their Medicare billing to Radiology Subspecialists Of Northern Illinois, LLC. 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. Of these, 3 practice at this address and 17 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Radiology Subspecialists Of Northern Illinois, LLC was last updated on October 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Radiology Subspecialists Of Northern Illinois, Llc · NPI 1104378942
Diagnostic Radiology organization in Geneva, Illinois. Organization record, active in the CMS NPPES registry since October 27, 2016.
## Identity
- **NPI:** 1104378942 (Entity type: Organization)
- **Enumerated:** October 27, 2016
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **Organization subpart:** No
- **Authorized official:** Diane Sarka, CREDENTIALING SPECIALIST
## Practice location
- **Address:** 825 W STATE ST, SUITE 103E, Geneva, IL 60134-2080
- **Phone:** (630) 208-4412
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 42 clinicians (Diagnostic Radiology) reassign Medicare billing to this organization (form CMS-855R); 3 practice at this address and 17 within 10 miles; [full list](https://npiprofile.com/npi/1104378942/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 27, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1104378942) · Data from the CMS NPPES public registry.