Southern Illinois Radiation Oncology LLC
NPI 1447318050 · Radiation Oncology Physician · Carterville, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Southern Illinois Radiation Oncology LLC is a Radiation Oncology Physician organization in Carterville, IL (NPI 1447318050).
Provider details
- NPI number
- 1447318050
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Little, Medical Director(618) 985-3333
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-05
- Last updated
- 2019-03-04
Frequently asked questions
- What is Southern Illinois Radiation Oncology LLC's NPI number?
- Southern Illinois Radiation Oncology LLC's National Provider Identifier (NPI) is 1447318050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Southern Illinois Radiation Oncology LLC?
- Southern Illinois Radiation Oncology LLC is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Southern Illinois Radiation Oncology LLC located?
- Southern Illinois Radiation Oncology LLC's practice location on file with NPPES is 1400 Pin Oak Dr, Carterville, IL 62918-1600.
- What is Southern Illinois Radiation Oncology LLC's phone number?
- The practice phone number listed in the NPPES registry for Southern Illinois Radiation Oncology LLC is (618) 985-3333.
- Does Southern Illinois Radiation Oncology LLC accept Medicare?
- Southern Illinois Radiation Oncology 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 Southern Illinois Radiation Oncology LLC?
- The authorized official listed on Southern Illinois Radiation Oncology LLC's NPPES record is Michael Little, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Southern Illinois Radiation Oncology LLC's NPI active?
- Yes — Southern Illinois Radiation Oncology LLC's NPI (1447318050) is active in the NPPES registry as of the last update on 2019-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.