SOUTHERN ILLINOIS RADIATION ONCOLOGY LLC
NPI 1447318050
Radiology - Radiation Oncology in Carterville, IL

Q: What is Southern Illinois Radiation Oncology LLC's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since December 05, 2006

1400 PIN OAK DR, CARTERVILLE, IL 62918(618) 985-3333(618) 985-1315 Get Directions Write a Review

NPPES record last updated: March 4, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Southern Illinois Radiation Oncology Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SOUTHERN ILLINOIS RADIATION ONCOLOGY LLC (NPI 1447318050) is a healthcare organization registered as a radiation oncology in Carterville, Illinois and active in the NPI registry since December 2006. The organization lists Michael Little, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1447318050

Entity TypeOrganization

Primary Taxonomy2085R0001X

Legal Business NameSOUTHERN ILLINOIS RADIATION ONCOLOGY LLC

Location Address1400 PIN OAK DRCarterville, IL 62918-1600

Mailing Address600 West Main Street, Suite 3Carbondale, IL 62901-2604 · (618) 529-3159 · Fax (618) 351-9909

Phone(618) 985-3333

Fax(618) 985-1315

Organization SubpartNo

Authorized OfficialMichael LittleMedical Director · (618) 985-3333

Enumeration DateDecember 5, 2006

Last NPPES UpdateMarch 4, 2019

✔ NPI 1447318050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1400 PIN OAK DR, Carterville, IL 62918

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Other Identifiers 1

Medicaid036078040IL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Southern Illinois Radiation Oncology Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Southern Illinois Radiation Oncology LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Emily Taylor

Nurse Practitioner

NPI 1962975706

1400 PIN OAK DR
Carterville, IL 62918

(618) 985-3333

✔ PECOS✔ Accepts MedicareSame address

Michael Little, M.D.

Radiation Oncology

NPI 1093915902

1300 PIN OAK DR
Carterville, IL 62918

(618) 985-3333

✔ PECOS✔ Accepts Medicare0.1 mi

Kathryn Lewis, M.D.

Radiation Oncology

NPI 1215920640

4920 N.E. STALLILNGS DRIVE
Nacogdoches, TX 75961

(936) 568-3493

✔ PECOS✔ Accepts Medicare525 mi

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 Southern Illinois Radiation Oncology LLC's NPI number?

The NPI number for Southern Illinois Radiation Oncology LLC is 1447318050. It was assigned to this organization in the NPPES registry on December 5, 2006.

Where is Southern Illinois Radiation Oncology LLC located?

Southern Illinois Radiation Oncology LLC is located at 1400 Pin Oak Dr, Carterville, IL 62918. The listed phone number is (618) 985-3333.

What is Southern Illinois Radiation Oncology LLC's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Southern Illinois Radiation Oncology LLC enrolled in Medicare?

Yes. Southern Illinois Radiation Oncology LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Southern Illinois Radiation Oncology LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Southern Illinois Radiation Oncology LLC, in Nurse Practitioner and Radiation Oncology. 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, 1 practice at this address and 2 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 Southern Illinois Radiation Oncology LLC was last updated on March 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.