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Mark A. Walshauser, MD, FACP
Mark A. Walshauser, MD, FACP

Mark A. Walshauser, MD, FACP

Medical Oncology / Hematology

Cancer Care Center of O’Fallon
Sparta Community Hospital Specialty Clinic
HSHS St. Joseph’s Hospital Highland – Medical Office Building

Dr. Mark A. Walshauser, medical oncologist/hematologist, joined Cancer Care Specialists of Illinois on August 1, 2014. He primarily sees patients at the Cancer Care Center of O’Fallon – St. Louis Metro East.

Dr. Walshauser received his M.D. degree from Ross University in Dominica, West Indies, in 2006. He then completed a year of basic science research in the department of Stem Cell Biology at Washington University, St. Louis, Missouri during 2006-2007. Dr. Walshauser finished an internship and residency in Internal Medicine at Saint Louis University in 2010. During that time he was awarded Intern of the Year and elected to Chief Resident for the academic year 2010-2011. Dr. Walshauser subsequently completed a fellowship in Hematology and Oncology at Loyola University in Chicago, Illinois, in 2014. He is board certified by the American Board of Internal Medicine and is board certified in Medical Oncology and Hematology.

Dr. Mark Walshauser has received multiple awards and served on a variety of committees. He was elected to the American Society of Hematology (ASH) Trainee Council in 2012 and served as a Trainee Council Member from 2012-2014. In addition, he was nominated to the ASH Advocacy Leadership Institute in 2013. He has been involved in research throughout his training, publishing in many peer-review journals including Blood and Journal of Clinical Oncology.

Dr. Walshauser is a member of several professional societies including the Illinois Medical Oncology Society, The International Society of Geriatric Oncology, American Society of Bone Marrow Transplant, and American Society of Hematology, and is a Fellow of the American College of Physicians. He is also an outdoor enthusiast and enjoys sports and family activities.

Oncology/Hematology Fellowship
Loyola University, Chicago, IL, 2014

Internal Medicine Residency
Chief Resident in Medicine, 2011
Saint Louis University, St. Louis, MO, 2010

Postgraduate Training
Washington University, Stem Cell Biology, St. Louis, MO, 2007

Education
M.D., Ross University, Dominica, West Indies, 2006
B.S., Biology, Cleveland College, Los Angeles, CA, 2002

Certifications
Medical Oncology – Board Certified
Hematology – Board Certified
Internal Medicine – American Board of Internal Medicine

Memberships
American College of Physicians (Fellow)
American Society of Clinical Oncology
American Society of Hematology
American Society of Bone Marrow Transplant
American Medical Association
American College of Physicians
The International Society of Geriatric Oncology
Illinois Medical Oncology Society

Awards
ASCO Clinical Trials Participation Award, 2015

Hometown
St. Louis, Missouri

 

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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Cancer Care Specialists of Illinois – Sparta
Broadway Plaza Specialty Clinic
Suite 1 Broadway Plaza
Sparta, IL  62286-3010
Phone:  (618) 443-2177, Ext. 2198
Fax:  (618) 443-6625
Hours: Tuesday, 8:00 am – 4:30 pm

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HSHS St. Joseph’s Hospital Highland
Medical Office Building
12860 Troxler Ave., Suite 135
Highland, IL 62249
Phone: (618) 651-2888
Fax: (618) 651-0077
Hours: Thursday, 8:00 am – 4:30 pm

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