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Leadership, faculty and staff

Chair and vice chair 

Harry Wollman, MD 
Interim Senior Associate Dean for Undergraduate Medical Education 
Chair of the Department of Clinical Sciences 
570-504-9692 
hwollman@som.geisinger.edu

Mark White, MD, MPH
Vice Chair of the Department of Clinical Sciences 
Associate Professor of Epidemiology 
570-687-9706
mwhite@som.geisinger.edu

Assistant chairs

Six assistant chairs of specialty education work with regional clerkship directors and regional education coordinators to ensure that medical education is consistent throughout the regional campuses.

Sanjay Chandragiri, MD
Assistant Chair of Psychiatry

Mario Cornacchione, DO, MS, FAAFP
Assistant Chair Family Medicine 

Anthony Gillott, MD, FACS 
Assistant Chair of Surgery 
Director of Case-Based Learning

Thomas Martin, MD
Assistant Chair of Pediatrics

Margrit Shoemaker, MD
Assistant Chair of Internal Medicine

Brian Wilcox, MD, PhD
Assistant Chair Obstetrics and Gynecology

Directors

Three directors work with course directors, the associate dean for curriculum, and the department’s chair and vice chair for coordination of curriculum content across all four years of the medical degree.

Mushfiqur Tarafder, PhD, MPH, MBBS
Director of Preventive Health & Community Studies

Mary Lawhon Triano, MSN, CRNP-C, ACHPN
Medical Director of the Clinical Skills and Simulation Center
Director of Clinical Skills

Staff

Shannon Bickauskas 
Administrative Assistant 
570-687-9681 
sbickauskas@som.geisinger.edu

Karen Verespy
Administrative Assistant 
570-955-1328
kverespy@som.geisinger.edu

Antonio Pellegrino 
Manager of Simulation Education & Operations 
570-207-3682 
APellegrino@som.geisinger.edu

Kathryn Powell 
Manager of the Standardized Patient Program 
570-687-9680
kpowell@som.geisinger.edu

Core education faculty 

The Department of Clinical Sciences manages family medicine, internal medicine, obstetrics & gynecology, pediatric, psychiatry and surgery specialties. 

Karen E. Arscott, DO, MSc, AOBNMM 
Associate Professor of Medicine

Nelson Asante, MD
Regional Education Coordinator of Psychiatry, North Campus 
Assistant Professor of Psychiatry

James Caggiano, MD, FAAP 
Assistant Professor of Pediatics 

Diana Callender, MBBS, DM
Medical Director of Clinical Skills and Simulation Center  
Professor of Pathology

Sanjay Chandragiri, MD
Assistant Chair of Psychiatry 
Associate Professor of Psychiatry 

John Citti, MD
Regional Education Coordinator of Medicine, South Campus 
Assistant Professor of Medicine

Peter Cognetti, MD
Regional Education Coordinator of Family Medicine, North Campus 
Associate Professor of Family Medicine

Mario Cornacchione, DO, MS, FAAFP
Assistant Chair Family Medicine 
Associate Professor of Family Medicine

Harold Davis, MD
Regional Education Coordinator of OB/GYN, North Campus 
Associate Professor of OB/GYN 

Francis Dawgert, MD
Associate Professor of Pediatrics 

Stanley Dudrick, MD
Professor of Surgery 

Janet Erickson, MD
Assistant Professor of Medicine

Michael Ferraro, MD
Regional Associate Dean, South Campus Assistant Professor of OB/GYN

Mark Frattali, MD 
Regional Education Coordinator of Surgery, North Campus
Assistant Professor of Surgery

James Galasso, DO 
Regional Education Coordinator of Family Medicine, South Campus 
Associate Professor of Family Medicine 

Tina Marie George, MD, MPH 
Assistant Professor of Family Medicine 

Anthony Gillott, MD, FACS 
Director of Case-Based Learning 
Assistant Chair of Surgery

Nicole Marie Gurski, DO 
Regional Clerkship Director of Psychiatry, Central Campus 
Assistant Professor of Psychiatry

Marika Handakas, LCSW, PsyD 
Assistant Professor of Family Medicine

Lisa Holtz, MD
Regional Education Coordinator of Pediatrics, South Campus
Assistant Professor of Pediatrics

James W. Joseph, MD, HMDC 
Regional Clerkship Director of Family Medicine, Central Campus

Jennifer M. Joyce, MD, FAAFP 
Professor of Family Medicine

Steve Kafrissen, MD 
Regional Education Coordinator of Psychiatry, South Campus 
Associate Professor of Psychiatry

Yelena Kipervas, DO 
Clinical Skills Facilitator

Venard Scott Koerwer, EdD 
Vice President of Strategy, Planning and Communication 
Vice Dean for Graduate Studies for the School of Graduate Studies 
Professor of Organizational Systems and Innovation

Joseph C. Koval, MD 
Assistant Professor of Medicine

Kimberly Kovalick, DO
Regional Assistant Dean, Northeast
Assistant Professor of Family Medicine

Elizabeth Kuchinski, BS, MPH 
Instructor of Family Medicine 
Clinical Research Coordinator

Maximo Llaudes, MD 
Assistant Professor of Clinical Pathology

Silviu Marica, MD 
Regional Education Coordinator/Clerkship Director of Surgery, Guthrie Campus 
Associate Professor of Surgery

Thomas Martin, MD 
Assistant Chair of Pediatrics 
Professor of Pediatrics

Kristine Maxwell-McNulty, MD, FACOG 
Assistant Professor of OB/GYN

Charles McGurk, MD 
Regional Education Coordinator/Clerkship Director of Psychiatry, Guthrie Campus 
Associate Professor of Psychiatry 

Betsy Mead RN, BSN
Research Associate 
Instructor of Family Medicine

William Miller, PhD, MHA
Assistant Professor of Family Medicine

Wasique Mirza, MD
Regional Education Coordinator of Medicine, North Campus 
Associate Professor of Medicine

Joseph Narins, MD
Regional Education Coordinator of OB/GYN, South Campus 
Assistant Professor of OB/GYN

Michele Neff-Bulger, DO, FAAP, FACOP
Regional Clerkship Director of Pediatrics, Central Campus 
Assistant Professor of Pediatrics

Mark Olaf, DO, FACEP
Regional Assistant Dean, Central Campus 
Emergency Medicine Clerkship Director, Central Campus 
Core Faculty, Emergency Medicine Residency Program

Jeffrey Pallas
Instructor of Clinical Skills

Donald Phykitt, DO
Regional Education Coordinator/Clerkship Director of Family Medicine, Guthrie Campus 
Assistant Professor of Family Medicine

Megan Rapp, MD
Regional Clerkship Director of Surgery, Central Campus 
Assistant Professor of Surgery

Susan Russell, MD
Clinical Skills Facilitator

Stan Russin, MD
Regional Clerkship Director of Medicine, Central Campus 
Assistant Professor of Medicine

Felix C. Rwabukwisi, MD, MPH
Assistant Professor of Public Health

Thomas S. Samuelsen, MD
Assistant Professor of OB/GYN

Mark Schiowitz, MD
Regional Education Coordinator of Surgery, South Campus 
Associate Professor of Surgery

Michelle Schmude, EdD, MBA
Associate Dean for Admissions, Enrollment Management and Financial Aid 
Assistant Professor

Lisa L. Schroeder, MD, MA, FACP
Regional Clerkship Director of Medicine, Central Campus 
Assistant Professor of Medicine

James Scott, MD
Regional Education Coordinator/Clerkship Director of OB/GYN, Guthrie Campus 
Assistant Professor of OB/GYN

Shubhra Shetty, MD, FACP
Regional Associate Dean, North Campus 
Professor of Medicine

Margrit Shoemaker, MD
Assistant Chair of Internal Medicine 
Assistant Professor of Medicine

Olapeju Simoyan, MD, MPH, BDS, FAAFP
Associate Professor of Family Medicine & Epidemiology

Maninder Singh, MD
Regional Education Coordinator/Clerkship Director of Medicine, Guthrie Campus 
Assistant Professor of Medicine

Mary Elizabeth Sokach, DO
Regional Assistant Dean, South Campus 
Assistant Professor of Family Medicine

Paul Swanson, MD
Regional Clerkship Director of OB/GYN, Central Campus 
Assistant Professor of OB/GYN

Mushfiq R. Tarafder, PhD, MPH, MBBS
Director of Preventative Health and Community Studies 
Associate Professor of Epidemiology

Lisa Thomas, MD
Regional Assistant Dean, North Campus 
Associate Professor of Medicine

Janet M. Townsend, MD
Interim Regional Associate Dean for Central Campus 
Professor of Family Medicine

Gerald Tracy, MD
Professor of Medicine

Mary Lawhon Triano, MSN, CRNP-C
Medical Director of the Clinical Skills and Simulation Center 
Director of Clinical Skills 
Assistant Professor of Clinical Sciences

April Troy, MD, MPH
Regional Education Coordinator of Pediatrics, North Campus 
Assistant Professor of Pediatrics

George Valente, MD
Regional Education Coordinator of OB/GYN, South Campus
Assistant Professor of OB/GYN

Thomas VanderMeer, MD
Regional Associate Dean for the Guthrie Campus

James Walsh, MD, MSHA, FACP, FCCP
Regional Assistant Dean for Guthrie Campus 
Assistant Professor of Medicine

Mark V. White, MD, MPH
Vice Chair for the Department of Clinical Sciences 
Associate Professor of Epidemiology

Brian Wilcox, MD, PhD
Assistant Chair of Obstetrics and Gynecology  
Associate Professor of Obstetrics and Gynecology

Andrea Worley, MD
Regional Education Coordinator/Clerkship Director of Pediatrics, Guthrie Campus 
Assistant Professor of Pediatrics