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Physicians & Staff

CCSI is proud to serve patients with highly skilled physicians and staff. Our physicians bring a wealth of expertise together with a variety of special interest areas. Furthermore, our specially trained staff meet the needs of patients on a daily basis.

CCSI patients describe our physicians and staff as competent, caring, compassionate, helpful, and considerate. Our physicians and staff help patients and their families during what is often a difficult and frustrating time. Whether giving a treatment, educating patients and their families, or just showing a simple smile, CCSI’s caring and compassionate staff provide support to patients and their families each and every day.

For more information about our physicians and providers, select a link:

 

Medical Oncology / Hematology

Justin D. Floyd, DO, FACOI

Justin D. Floyd, DO, FACOI - President

James L. Wade III, MD, FACP, FASCO, , FACCC

James L. Wade III, MD, FACP, FASCO, FACCC - President Emeritus

Benjamin T. Esparaz, MD, FACP

Benjamin T. Esparaz, MD, FACP

Philip A. Dy, MD

Philip A. Dy, MD

Perry P. Guaglianone, MD, FACP

Perry P. Guaglianone, MD, FACP

Mario R. Velasco Jr., MD, FACP

Mario R. Velasco Jr., MD, FACP

Hanna M. Saba, MD

Hanna M. Saba, MD

Sebastien S. Kairouz, MD

Sebastien S. Kairouz, MD

Bassam N. Maalouf, MD

Bassam N. Maalouf, MD

Mark A. Walshauser, MD, FACP

Mark A. Walshauser, MD, FACP

Gibran H. Mahmud, MD

Gibran H. Mahmud, MD

Evelena P. Ontiveros, MD, PhD

Evelena P. Ontiveros, MD, PhD

Bachir Farah, MD

Bachir Farah, MD

Z. Jayson Yang, MD

Z. Jayson Yang, MD

Kristi M. Toennies, RN, MSN, FNP

Kristi M. Toennies, FNP, AOCNP

Christel G. Wheeler, DNP, FNP-BC

Christel G. Wheeler, DNP, FNP-BC

Michelle D. Voudrie, DNP, FNP-BC

Michelle D. Voudrie, DNP, FNP-BC

Kelsey D. Beasley, FNP-C

Kelsey D. Beasley, FNP-C

Radiation Oncology

Edward C. Elliott, MD, FACR, FCAP

Edward C. Elliott, MD, FACR, FCAP

Mary Anne de Paz, MD

Mary Anne de Paz, MD

Renata C. Moore, MD

Renata C. Moore, MD

Seong R. Cho, MD

Seong R. Cho, MD

Harold A. Yoon, MD

Harold A. Yoon, MD

Casey E. Duncan, MD

Casey E. Duncan, MD

Camille M. Williams, MD

Camille M. Williams, MD

Jacob S. Witt, MD

Jacob S. Witt, MD

For individual center and clinic contact information, please click here.

For general questions and information, please email us at: ccsci@ccsci.net

To schedule an appointment or speak about a specific question or concern, please call our office at: (217) 876-6600.

Additional Staff Contact Information:

Nursing

Emily B. Purcell, RN, BSN, OCNDirector of Nursing ServicesEPurcell@ccsci.netPhone (618) 436-5410Fax (618) 436-8063

Laboratory

Marielle Reyes, MT(ASCP)
Director of Laboratory Services
MReyes@ccsci.net
Phone (217) 329-3313
Fax (217) 872-5226

Pharmacy

Jonathan Hanke, Pharm.D
Director of Pharmacy Services
jhanke@ccsci.net
Phone (618) 416-7970
Fax (618) 416-7971

Administration

Rhonda S. Luther, BA, MA
Chief Operating Officer
RLuther@ccsci.net
Phone (217) 329-3268
Fax (217) 329-3252

Joe Wisner, CPA, MBA
Chief Financial Officer
JWisner@ccsci.net
Phone (217) 329-3276
Fax (217) 329-3252

Human Resources

Thomas G. Pratt, MBA
Director of Human Resources
TPratt@ccsci.net
Phone (217) 329-3262
Fax (217) 329-3252

Office, Billing & Transcription

Lillie Barker
Director of Support Services
LBarker@ccsci.net
Phone (217) 329-3302
Fax (217) 329-3317

Deanna Schmitz
Director of Business Office Services
DSchmitz@ccsci.net
Phone (217) 877-9442
Fax (217) 233-1670

Tricia Henning
Director of Information Services & Special Projects
THenning@ccsci.net
Phone (217) 329-3257
Fax (217) 233-1670