Our Team
Medical Director
Gastroenterology
Arifa Toor, MD (Lebanon)
Director, Gastroenterology Fellowship Program
Practice Note: Colitis, functional bowel disorders, inflammatory bowel disease, liver disease.
Hematology
Laurel J. McKernan, MSN (Lebanon)
Practice Note: Coagulation disorders, hemophilia, thrombophilia.
Leo R. Zacharski, MD (Lebanon, White River Junction)
Practice Note: Thrombophilia, cancer treatment, coagulation disorders, iron overload disorders and hemochromatosis.
Infectious Disease
Bryan J. Marsh, MD (Lebanon)
Section Chief, Infectious Diseases (Interim)
Practice Note: General Infectious Diseases, HIV/AIDS, Hepatitis C.
Oral & Maxillofacial Surgery
Rocco R. Addante, DMD, MD (Lebanon)
Section Chief, Maxillofacial Surgery
Practice Note: Alveolar Cleft Palate Repair, Dental Implantology, Oral Cancer and Pathology, Surgical Alteration of Jaw Position, Surgical Correction of Upper and Lower Jaw Deformities.
Orthopaedic Surgery
Philip M. Bernini, MD (Lebanon)
Professor of Orthopaedics, Geisel School of Medicine, Dartmouth
Practice Note: hip and knee joint replacement, adult joint reconstruction, hemophilia consultant.
Pathology
Deborah L. Ornstein, MD, MS (Lebanon)
Medical Director, Comprehensive Hemophilia & Thrombosis Center
Practice Note: Hematopathology, diagnostic and clinical coagulation.
Pediatric Hematology/Oncology
Sara Chaffee, MD (Lebanon)
Practice Note: Pain Management, Pediatric Hematology, Pediatric Oncology, Pediatric Palliative Care.
Julie Kim, MD, PhD (Lebanon, Manchester)
Practice Note: Pediatric hematology/oncology, pediatric sickle cell disease.
Transfusion Medicine
Zbigniew (Ziggy) M. Szczepiorkowski, MD, PhD (Lebanon)
Section Chief, Clinical Pathology; Director, Transfusion Medicine Service & of Cellular Therapy Center
Practice Note: Cell Therapy, dendritic cell therapy, hematopoietic stem cell collection-processing and preservation, immunotherapy, transfusion medicine.
Urologic Oncology
John D. Seigne, MB (Lebanon)
Practice Note: Bladder cancer, laparoscopic surgery, penile cancer, renal cancer, testicular cancer.
















