Faculty

General surgery (Geisinger Wyoming Valley Medical Center)

• Tanner Long, DO, Geisinger Wyoming Valley Medical Center General Surgery Section Head
• Ryan Rusnok, MD

General surgery (Geisinger Community Medical Center)

• Timothy Farrell, MD, Geisinger Northeast Regional Director, General Surgery Institute and Geisinger Community Medical Center Chief of Surgery
• Erin Miller, DO

Trauma/emergency general surgery/surgical critical care (Geisinger Wyoming Valley Medical Center)

• Brian Klock, MD
• Joseph Lopez, MD
• Richard Lopez, DO, Trauma Program Medical Director, Geisinger Wyoming Valley Medical Center
• Amanda Sekusky, DO
• Corrine Miller, DO
• Fred Toy, MD

Trauma/emergency general surgery/surgical critical care (Geisinger Community Medical Center)

• Fitzgerald Casimir, MD
• David Deisher, DO
• Brian Frank, MD
• Monty Littlejohn, MD
• John Mitchell, MD

Surgical oncology/breast surgery (Geisinger Wyoming Valley Medical Center)

• Kyo Chu, MD, Geisinger Wyoming Valley Surgical Oncology, Breast and Colorectal Surgery Section Head
• Jacqueline Oxenberg, DO
• Louis Blaum, MD

Colorectal surgery (Geisinger Wyoming Valley Medical Center)

• Bogdan Protyniak, MD
• Thomas Erchinger, MD

Bariatric minimally-invasive surgery (Geisinger Community Medical Center)

• Mustapha Daouadi, MD
• Alexandra Falvo, MD 
• Ryan Horsley, DO

Cardio thoracic surgery (Geisinger Wyoming Valley Medical Center)

• Michael Harostock, MD
• Jacqueline Lee, MD
• Joseph Stella, DO

Vascular surgery (Geisinger Wyoming Valley Medical Center)

• David Mariner, MD, Geisinger Northeast Director of Vascular Surgery
• Shivprasad Nikam, MD
• Melissa Obmann, DO
• Boyoung Song, MD