Cancer Care Services at Anderson Hospital
A New Partnership in Cancer Care Begins August 2026
Anderson Hospital is pleased to announce a new partnership with Cancer Care Specialists of Illinois (CCSI) to provide comprehensive cancer care services at the Warren Billhartz Cancer Center beginning August 2026.
Following Mercy's decision to transition its oncology services back to Missouri, Anderson Hospital carefully evaluated options to ensure patients throughout the Metro East continue to have access to high-quality cancer care close to home. Through this process, Anderson selected Cancer Care Specialists of Illinois, one of the largest oncology practices in Illinois, as its new oncology partner.
This partnership reflects Anderson Hospital's ongoing commitment to delivering exceptional, compassionate care while expanding access to advanced cancer treatment services for the communities we serve.
A Commitment to Local Cancer Care
"Our goal remains unchanged: to ensure patients and families throughout our region have access to exceptional cancer care close to home. We are excited to welcome Cancer Care Specialists of Illinois and look forward to expanding cancer care services for our community."

Lisa Spencer
President, Anderson Hospital

What This Means for Patients
Patients will continue to receive cancer care at the Warren Billhartz Cancer Center in Maryville. Our goal is to make this transition as seamless as possible. Cancer care services will remain available locally, allowing patients and families to continue receiving treatment close to home in a familiar setting.
Beginning August 2026, Cancer Care Specialists of Illinois will provide:
- Medical Oncology
- Hematology Services
- Infusion Therapy
- Radiation Oncology Services
- Access to Clinical Research and Clinical Trials
Radiation therapy treatments will continue to be provided at the Warren Billhartz Cancer Center by Anderson Hospital staff, with radiation oncologists contracted through Cancer Care Specialists of Illinois.
About Cancer Care Specialists of Illinois
Cancer Care Specialists of Illinois (CCSI) is a physician-led oncology practice serving patients throughout Central and Southern Illinois. With 22 locations across the state, CCSI provides comprehensive cancer care through a multidisciplinary approach that brings together physicians, advanced practice providers, nurses, and support staff focused on personalized treatment and patient-centered care.
In addition to providing medical oncology, hematology, and radiation oncology services, CCSI is involved in cancer research studies and clinical trials aimed at advancing treatment, recovery, and prevention, giving eligible patients access to emerging treatment options. It is nationally acknowledged for its vital contributions in this field and has earned several awards from the National Cancer Institute and the American Society of Clinical Oncology in recognition of its excellent cancer research program.
Frequently Asked Questions
Yes. Cancer care services will continue to be provided at the Warren Billhartz Cancer Center in Maryville.
Cancer Care Specialists of Illinois will begin seeing patients in August 2026.
Patients currently receiving care will be contacted directly if any action is required regarding appointments, records, or scheduling.
Yes. Anderson Hospital remains committed to providing local access to comprehensive cancer care services for patients throughout the Metro East region.
For questions regarding cancer care services or upcoming appointments, please contact the Warren Billhartz Cancer Center at:
Phone: 618.288.9044
Location:
Warren Billhartz Cancer Center
2227 Vadalabene Drive
Maryville, IL 62062
