To make an appointment, call 314-747-7222.
Toll free: 800-600-3606

WashU Medicine board-certified cancer specialists at Siteman Cancer Center collaborate with other WashU Medicine specialists and the dedicated resources of Barnes-Jewish Hospital to provide the highest quality of care for patients with cancer. 

Cancer is many diseases – 80 or more – each with its own characteristics, treatment modality and outcome. Only highly specialized, individualized treatment plans work effectively, and our oncologists are experts in the medical management of a wide range of cancer types. 

WashU Medicine cancer specialists treat many types including:

In addition to the multi-specialty physician treatment team, each patient has the benefit of a designated multidisciplinary team of advanced practice nurses, oncology nurses, social workers, psychologists, psychiatrists, dietitians, home health and hospice specialists. Together with the resources of Barnes-Jewish hospitals, we provide compassionate and supportive care to our patients. 

Olivia Hasselfeld, PA-C

Cancer (Oncology)
Medical Oncology

Locations:
Siteman Cancer Center – North County
Siteman Cancer Center at Barnes-Jewish St. Peters Hospital

Brett Herzog, MD, PhD

Brett Herzog, MD, PhD

Cancer (Oncology)
Medical Oncology

Locations:
Memorial Hospital in Shiloh – Siteman Cancer Center, Medical Office Building 2

Angela C. Hirbe

Angela C. Hirbe, MD, PhD

Cancer (Oncology)
Medical Oncology

Locations:
Gary C. Werths Building at Siteman Cancer Center

Hailey Hunter, FNP-BC

Cancer (Oncology)
Medical Oncology

Locations:
Gary C. Werths Building at Siteman Cancer Center
Barnes-Jewish West County Hospital – Medical Office Building 2

Ramon Jin, MD, PhD

Cancer (Oncology)
Medical Oncology

Locations:
Gary C. Werths Building at Siteman Cancer Center

Tanner Johanns

Tanner Johanns, MD, PhD

Cancer (Oncology)
Medical Oncology

Locations:
Gary C. Werths Building at Siteman Cancer Center

Elizabeth Jane Johns, DNP, APRN

Cancer (Oncology)
Medical Oncology

Locations:
Memorial Hospital in Shiloh – Siteman Cancer Center, Medical Office Building 2

Molly Karl, PA-C

Cancer (Oncology)
Medical Oncology

Locations:
Gary C. Werths Building at Siteman Cancer Center
Barnes-Jewish West County Hospital – Medical Office Building 2

Charles K. Kaufman

Charles K. Kaufman, MD, PhD

Medical Oncology

Locations:
Siteman Cancer Center – South County

Jesse Keller

Jesse Keller, MD

Medical Oncology

Locations:
Barnes-Jewish West County Hospital – Medical Office Building 2