Radiology Subspecialists of Northern Illinois, LLC
NPI 1104378942 · Diagnostic Radiology Physician · Geneva, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Radiology Subspecialists of Northern Illinois, LLC is a Diagnostic Radiology Physician organization in Geneva, IL (NPI 1104378942).
Provider details
- NPI number
- 1104378942
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Diane Sarka, Credentialing Specialist(630) 928-5234
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-10-27
- Last updated
- 2016-10-27
Frequently asked questions
- What is Radiology Subspecialists of Northern Illinois, LLC's NPI number?
- Radiology Subspecialists of Northern Illinois, LLC's National Provider Identifier (NPI) is 1104378942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Radiology Subspecialists of Northern Illinois, LLC?
- Radiology Subspecialists of Northern Illinois, LLC is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Radiology Subspecialists of Northern Illinois, LLC located?
- Radiology Subspecialists of Northern Illinois, LLC's practice location on file with NPPES is 825 W State St, Geneva, IL 60134-2080.
- What is Radiology Subspecialists of Northern Illinois, LLC's phone number?
- The practice phone number listed in the NPPES registry for Radiology Subspecialists of Northern Illinois, LLC is (630) 208-4412.
- Does Radiology Subspecialists of Northern Illinois, LLC accept Medicare?
- Radiology Subspecialists of Northern Illinois, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Radiology Subspecialists of Northern Illinois, LLC?
- The authorized official listed on Radiology Subspecialists of Northern Illinois, LLC's NPPES record is Diane Sarka, Credentialing Specialist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Radiology Subspecialists of Northern Illinois, LLC's NPI active?
- Yes — Radiology Subspecialists of Northern Illinois, LLC's NPI (1104378942) is active in the NPPES registry as of the last update on 2016-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.