Faculty
![Melissa Kroll, MD](https://emergencymedicine.wustl.edu/wp-content/uploads/2018/12/Kroll-Melissa_EMS_03-yutwhx-280x386.jpg)
Melissa Kroll, MD
Assistant Professor, Emergency Medicine
- Phone: 314-747-5991
- Email: mkroll@wustl.edu
![Mark D Levine, MD, FACEP](https://emergencymedicine.wustl.edu/wp-content/uploads/2024/05/Mark-Levine4-280x386.jpg)
Mark D Levine, MD, FACEP
Director- WU Med Student Clerkship; Professor, Emergency Medicine
- Phone: 314-362-6743
- Email: levinem@wustl.edu
![James Li, MD](https://emergencymedicine.wustl.edu/wp-content/uploads/2022/09/Li-New-Picture-1-280x386.jpg)
James Li, MD
Assistant EMS Fellowship Program Director; Assistant Professor, Emergency Medicine
- Email: l.james@wustl.edu
![Stephen Y Liang, MD](https://emergencymedicine.wustl.edu/wp-content/uploads/2018/09/e9aeb14a-3b27-4174-9400-3693ac2216cd-189sz8v-280x386.jpg)
Stephen Y Liang, MD
Associate Professor of Medicine & Emergency Medicine
- Phone: 314-747-0750
- Email: SLIANG@DOM.wustl.edu
Dr. Liang’s primary research interests include trauma-related infections, orthopedic infections, device-associated infections, and management of infectious diseases and infection prevention in emergency care settings.
![David Liss, MD](https://emergencymedicine.wustl.edu/wp-content/uploads/2018/09/David-Liss2-280x386.jpg)
David Liss, MD
Division Chief of Medical Toxicology; Associate Professor, Emergency Medicine
- Phone: 314-273-0324
- Email: lissd@wustl.edu
![Thomas Lynch, MD, FAWM](https://emergencymedicine.wustl.edu/wp-content/uploads/2020/07/WUSM-shield-default-280x386.jpg)
Thomas Lynch, MD, FAWM
Assistant Professor, Anesthesiology & Emergency Medicine
- Phone: 314-747-3581
- Email: lyncht@wustl.edu
![Marc Mendelsohn, MD, MPH](https://emergencymedicine.wustl.edu/wp-content/uploads/2021/03/Mendelsohn-Marc_EM_300-280x386.jpg)
Marc Mendelsohn, MD, MPH
Assistant Professor, Emergency Medicine
- Phone: 314-273-1928
- Email: marcm@wustl.edu