Faculty
Geisinger’s Musculoskeletal Institute consists of faculty/orthopaedic specialists — all with subspecialty interests — as well as 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.
Mark Pallis, DO
Department chair
Interim Chair, Musculoskeletal Institute & Department of Orthopaedic SurgeryJoel Klena, MD
Residency program director
Director, Orthopaedic Surgery Residency Program, Hand and Microvascular Surge
Mark Seeley, MD
Assistant program director
Assistant Director, Orthopaedic Surgery Residency Program, Pediatric Orthopaedics
Adult reconstruction
Steven Lietman, MD – Geisinger Medical Center
David J. Kolessar, MD – Geisinger Wyoming Valley
Anil Menedal, MD – Geisinger Shamokin Area Community Hospital
John Mercuri, MD – Scranton
James Murphy, MD – Geisinger Wyoming Valley
Suresh Patil, MD – Lewistown
James Piper, MD – Geisinger Medical Center
Jon Douglas Vanderbrook, MD – Geisinger Wyoming Valley
General orthopaedics
Anthony J. Balsamo, MD – Geisinger Wyoming Valley
Jeffrey Gillette, MD – Scranton
John A. Lynott, MD – Pittston
Michael Sobolewski, MD – Lewistown
Theodore Tomaszewski, MD – Scranton
Wingrove Jarvis, MD – Jersey Shore
Hand and microvascular
Liam Dwyer, MD – Geisinger Medical Center
L. Christopher Grandizio, DO – Geisinger Medical Center
Joel Klena, MD – Geisinger Medical Center
William Leavitt, MD – Geisinger Wyoming Valley
Can Bas, MD – Geisinger Healthplex State College
Foot and ankle
Benjamin Wagner, MD – Geisinger Medical Center
Orthopaedic oncology
Thomas R. Bowen, MD – Geisinger Medical Center
Orthopaedic trauma and fracture
Brian Campfield, MD – Scranton
Daniel S. Horwitz, MD – Geisinger Medical Center
Michael Jung, MD – Geisinger Wyoming Valley
Ken Koury, MD – Geisinger Wyoming Valley
Gregory F. Thomas, DO – Scranton
James C. Widmaier Jr., MD – Geisinger Medical Center
Pediatric orthopaedics
John Deegan, DO – Geisinger Medical Center
Meagan M. Fernandez, DO – Geisinger Medical Center
John M. Parenti, MD – Emeritus
Mark A. Seeley, MD – Geisinger Medical Center
Podiatry
Barry G. Bernstein, DPM – Geisinger Wyoming Valley
Nicole Branning, DPM – Steamtown
Huguette Disasi, DPM – Elysburg
Joseph Kim, DPM – Geisinger Wyoming Valley
Rachel S. Kish, DPM – Lewistown
Justine Metcho, DPM – Elysburg
Mark Micciche, DPM – Steamtown
Ellianne M. Nasser, DPM – Steamtown
Dominick Olivo, DPM – Muncy
William Schlorff, DPM – Jersey Shore
Mehgan Susek, DPM
Jackson Towers, DPM – Geisinger Wyoming Valley
Jaclyn Wessinger, DPM – Steamtown
Kathya Zinszer, DPM – Elysburg
Non-operative primary care sports medicine
Sergio R. Buzzini, MD – Geisinger Medical Center
Aaron Dawes, MD – Geisinger Healthplex State College
Hannah Fanelli, MD – Geisinger Healthplex State College
Brian Jacobs, DO – Geisinger Healthplex State College
Laryssa Loncar, MD – Scranton
Matthew T. McElroy, DO – Geisinger Medical Center
Michael Morland, DO – Geisinger Wyoming Valley
Emily Olmes, DO (PEDS) – Geisinger Medical Center
David S. Ross, MD – Geisinger Wyoming Valley
Ryan Roza, MD – Geisinger Medical Center
Mohamed Shitia, MD – Scranton
Jeffrey Summers, DO (PEDS) – Geisinger Medical Center
Sean Thomas, MD – Geisinger Medical Center
Shoulder and elbow
L. Christopher Grandizio, DO – Geisinger Medical Center
Spine
David A. Andreychik, MD – Geisinger Medical Center
Siddarth Badve, MD – Spine
Chirag Chaudhary, MD – Geisinger Wyoming Valley
Tan Chen, MD – Geisinger Wyoming Valley
W. Fred Hess, MD – Geisinger Medical Center
Michael Haak, MD – Geisinger Medical Center
John Weddle, MD – Geisinger Medical Center
Sports medicine and arthroscopy
Gregory C. Fanelli, MD – Geisinger Medical Center
Matthew Fanelli, MD – Geisinger Medical Center
Daniel D. Feldmann, MD – Geisinger Medical Center
Hans P. Olsen IV, MD – Pittston
Morgan Nickerson, MD – Geisinger Healthplex State College
Mark Pallis, MD – Pittston
Matthew Rae, MD – Geisinger Medical Center
Douglas Zaruta, MD – Scranton