Clinical Division

Christopher D. Abraham, MD
Assistant Professor of Radiation Oncology
Medical Director of Clinical Informatics
- Phone: 314-362-8610
Executive Assistant: Kristy Meyer (kgutreuter@wustl.edu)

Anthony J. Apicelli, MD, PhD
Assistant Professor of Radiation Oncology
- Phone: 314-362-8610
Executive Assistant: Kristy Meyer (kgutreuter@wustl.edu)

Carmen Bergom, MD, PhD
Associate Professor of Radiation Oncology
- Phone: 314-747-1786
Executive Assistant: Lena Zein (lena.a@wustl.edu)

Amit Bhatt, MD, PhD
Assistant Professor of Radiation Oncology
- Phone: 314-747-7236
Executive Assistant: Nicole Castleberry (nicole.c@wustl.edu)

Aadel Chaudhuri, MD, PhD
Assistant Professor of Radiation Oncology (Cancer Biology Division), Genetics (by Courtesy), Biomedical Engineering (by Courtesy) and Computer Science & Engineering (by Courtesy)
- Phone: 314-273-2931
Executive Assistant: Christy Hanson (chanson@wustl.edu)

Jessika Contreras, MD
Assistant Professor of Radiation Oncology
Chief, Gynecological Oncology and Brachytherapy
Executive Assistant: Nicole Castleberry (nicole.c@wustl.edu)

Carl DeSelm, MD, PhD
Assistant Professor of Radiation Oncology
- Phone: 314-273-2931
Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)

Hiram A. Gay, MD
Professor of Radiation Oncology
Chief, Genitourinary Service
Medical Director of Radiation Oncology, Siteman Cancer Center – South County
- Phone: 314-362-8516
Executive Assistant: Estella Scott (eascott@wustl.edu)

Lannis Hall, MD, MPH
Associate Professor of Clinical Radiation Oncology
Vice Chair, SCC Clinical Research Committee
SCC Director of Diversity and Inclusion in Clinical Research
Medical Director of Radiation Oncology, SCC at Barnes-Jewish St. Peters Hospital
Clinical Trials Leader, Program to Eliminate Cancer Disparities
- Email: lannishall@wustl.edu
Executive Assistant: Nicole Castleberry (nicole.c@wustl.edu)

Dennis E. Hallahan, MD, FASTRO
Elizabeth H. and James S. McDonnell III Distinguished Professor of Medicine
Chair, Department of Radiation Oncology
- Phone: 314-362-9700
Executive Assistant: Jeanne Silvestrini (j.silvestrini@wustl.edu)

Jiayi Huang, MD, MSCI
Associate Professor of Radiation Oncology
Chief, CNS/Gamma Knife Service
Co-director, Brain Tumor Center at Siteman Cancer Center
- Phone: 314-273-2931
Executive Assistant: Christina Barr (barrchristina@wustl.edu)

Hyun Kim, MD
Associate Professor of Radiation Oncology
Chief, Gastrointestinal Service
Chief, MR-Guided Radiotherapy
- Phone: 314-362-8567
Executive Assistant: Amy Akers (akersa@wustl.edu)

Susan Laduzinsky, MD
Assistant Professor of Radiation Oncology
Medical Director of Radiation Oncology, Siteman Cancer Center at Memorial Hospital East
Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)

Jason Lee, MD, PhD
Assistant Professor of Radiation Oncology
Executive Assistant: Christy Hanson (chanson@wustl.edu)

Calvin Lewis, MD, PhD
Instructor of Radiation Oncology
- Email: calvinlewis@wustl.edu
Executive Assistant: Steve Paglusch (steven.paglusch@wustl.edu)

Stephanie Markovina, MD, PhD
Assistant Professor of Radiation Oncology
- Phone: 314-747-1786
Executive Assistant: Lena Zein (lena.a@wustl.edu)

Jeff M. Michalski, MD, MBA, FASTRO
Carlos A. Perez Distinguished Professor
Vice Chair and Director of Clinical Programs
- Phone: 314-362-8566
Executive Assistant: Gayle Bumb (gbumb@wustl.edu)

Allen Mo, MD, PhD
Assistant Professor of Radiation Oncology
Executive Assistant: Amy Akers (akersa@wustl.edu)

Michael Moravan, MD, PhD
Assistant Professor of Radiation Oncology
Medical Director, Siteman Cancer Center at Northwest HealthCare
Executive Assistant: Nicole Castleberry (nicole.c@wustl.edu)

Stephanie M. Perkins, MD
S. Lee Kling Endowed Professor of Radiation Oncology
Director, S. Lee Kling Proton Therapy Center
- Phone: 314-273-2931
Executive Assistant: Christina Barr (barrchristina@wustl.edu)

Nikhil Rammohan, MD, PhD
Assistant Professor of Radiation Oncology
Executive Assistant: Christina Barr (barrchristina@wustl.edu)

Clifford G. Robinson, MD
Professor of Radiation Oncology
Chief, Stereotactic Body Radiation Therapy (SBRT)
Associate Director, Clinical Programs
- Phone: 314-362-8567
Executive Assistant: Amy Akers (akersa@wustl.edu)

Pamela Samson, MD, MPHS
Assistant Professor of Radiation Oncology
- Phone: 314-747-1786
Executive Assistant: Lena Zein (lena.a@wustl.edu)

Julie K. Schwarz, MD, PhD
Professor of Radiation Oncology, Vice-Chair, Research, Cancer Biology Division Director
- Phone: 314-273-0275
Executive Assistant: Kathy Hentrich (k.hentrich@wustl.edu)

Maria A. Thomas, MD, PhD
Associate Professor of Radiation Oncology
- Phone: 314-362-8516
Executive Assistant: Estella Scott (eascott@wustl.edu)