Faculty

Geisinger’s Orthopaedic Institute faculty consists of orthopaedic specialists — all with subspecialty interests — physician assistants and dedicated nurses. Our team is responsible for scheduling follow-up care, handling discharge paperwork and manning postoperative clinics so you can maximize your time and concentrate on learning.

Adult reconstruction

• David J. Kolessar, MD
• John James Mercuri, MD
• James Murphy, MD
• Douglas VanderBrook, MD

General orthopaedics

• John Doherty Jr., MD
• Theodore James Tomaszewski, MD
• Kevin Colleran, MD
• Jeffrey M. Gillette, DO

Hand & microvascular

• Randall Culp, MD

Orthopaedic oncology

• Thomas R. Bowen, MD

Orthopaedic trauma/fracture

• Anthony J. Balsamo, MD
• Kenneth L. Koury, MD
• Brian Campfield, MD
• Gregory Francis Thomas, DO
• Michael Jung, MD

Pediatric orthopaedics

• John Deegan, DO
• Meagan M. Fernandez, DO
• Mark A. Seeley, MD
• Aaron Wey, MD

Non-operative primary care sports medicine

• Michael Moreland, DO
• David S. Ross, MD
• Justin Tunis, MD
• Joseph Wong, MD

Spine

• Tan Chen, MD
• Edward M. DelSole, MD

Sports medicine & arthroscopy

• Hans P. Olsen IV, MD
• Mark Peter Pallis, DO
• John A. Lynott, MD
• Douglas A. Zaruta, MD