John Visconti, DO
Medical Director
Siteman Cancer Center – Shiloh
Dr. John L. Visconti is an Associate Professor of Medicine in the Division of Medical Oncology at Washington University School of Medicine and serves as Medical Director of the Siteman Cancer Center in Shiloh, Illinois. He specializes in breast and genitourinary oncology, bringing over 25 years of experience in cancer care and research to his patients.
Dr. Visconti is board-certified in Medical Oncology, Hematology, and Internal Medicine. He earned his medical degree from Kansas City University (formerly the University of Health Sciences) College of Osteopathic Medicine in Kansas City, Missouri, and completed his internal medicine residency and hematology/oncology fellowship at Saint Louis University Health Sciences Center.
Before joining Washington University in 2018, Dr. Visconti served as an Associate Physician at Illinois Oncology Ltd. for over a decade, where he also held the position of Principal Investigator of Research Activities. His extensive academic background includes previous faculty appointments at Saint Louis University School of Medicine, where he taught medical students and residents while conducting clinical research.
Dr. Visconti has contributed significantly to cancer research, with numerous publications in peer-reviewed journals and presentations at national conferences. His research has focused on advanced treatments for various cancers, including breast, colorectal, pancreatic, and genitourinary malignancies. He has been involved in multiple clinical trials investigating novel chemotherapy combinations and treatment approaches.
Throughout his career, Dr. Visconti has been recognized for his clinical excellence and dedication to patient care. He was awarded Matthew B. Eisele, MD Physician Excellence Award in 2024 and has been named a Castle Connolly Top Doctor in Illinois from 2022 to present.
Dr. Visconti maintains active memberships in the American Osteopathic Association, the American Society of Clinical Oncology, the American Society of Hematology, and the St. Clair County Medical Society. He continues to be involved in medical education, training the next generation of physicians while providing compassionate, cutting-edge cancer care to his patients.
Dr. Visconti discloses that he has no relevant financial relationships with any organization producing, marketing, reselling, or distributing health care goods or services consumed by, or used on, patients relative to the content of this presentation.
