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Rachael E. DeMattei, DNP, FNP-BC

Rachael E. DeMattei, DNP, FNP-BC

Nurse Practitioner

Cancer Care Center of O’Fallon

Nurse Practitioner Rachael E. DeMattei, DNP, APRN, FNP-BC, joined Cancer Care Specialists during November 2023. She primarily sees patients at the Cancer Care Center of O’Fallon and also provides coverage as needed for CCSI satellite clinics. DeMattei has prior nursing experience with chemotherapy, biotherapy and stem cell transplants. She joins CCSI O’Fallon physicians in providing care to hematology/oncology patients in O’Fallon and surrounding areas.

D.N.P., Southern Illinois University of Edwardsville, IL, 2022
B.S.N., Barnes Jewish College Goldfarb School of Nursing, St. Louis, MO, 2016

Family Nurse Practitioner – American Nurses Credentialing Center

American Nurses Association
Oncology Nursing Society

State of Illinois

Freeburg, Illinois


Cancer Care Center Of O’FallonCancer Care Center of O’Fallon
321 Regency Park
O’Fallon, IL 62269
Phone: (618) 416-7970
Fax: (618) 416-7971
Hours: M – F, 8:00 am – 4:30 pm

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