Our Team

Nanticoke’s experienced Cancer Care team includes medical oncologists, radiation oncologists, highly-skilled radiation therapists and nurses, as well as a care coordinator, nurse navigator and a caring support staff.

Our team can help you find the physician that is right for you, access resources to reduce barriers such as transportation or finances, and give you the support that you need. We are here to provide you with the care you need, when you need it.

Meet Our Team

Medical Oncology

Nanticoke Health ServicesMuhammad Siddique, MD

Medical Oncologist
& Hematologist

Nanticoke Health ServicesIsabel Benson, APRN

Oncology Nurse Practitioner

Radiation Oncology

Nanticoke Health ServicesBrian Costleigh, MD

Radiation Oncologist

Nanticoke Health ServicesJennifer Hung, MD

Radiation Oncologist

Nanticoke Health ServicesAndrejs Strauss, MD

Radiation Oncologist

Nanticoke Health ServicesOwen Thomas, MD

Radiation Oncologist

Cancer Care Team

Rachel Gardner, BSN, RN

Cancer Care Director

Terri Clifton, MS, NCC

Cancer Care Coordinator

Lisa Schirtzinger, MSN, RN

Cancer Nurse Navigator