Dr. Jaap is a board-certified general surgeon. She attended Wright State University, where she earned her medical degree. Dr. Jaap completed her residency at Geisinger Medical Center. She is certified by the American Board of Surgery. Dr. Jaap is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Ogilvie Syndrome, Hernia, Juvenile Angiofibroma, Gallbladder Disease, and Hernia Surgery.

Matthew Souder, MD, is a board-certified general surgeon. He earned his medical degree from St. George’s University School of Medicine in Grenada. After medical school, he completed a residency in general surgery at PinnacleHealth in Harrisburg.|During his undergraduate training, Dr. Souder completed several research projects on fetal alcohol syndrome and other topics.|He’s a native of Lewisburg. Dr. Souder is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Juvenile Angiofibroma, Cellulitis, Gallstones, Choledocholithiasis, and Hernia Surgery.

Grant Morris, MD, specializes in pediatric gastroenterology (GI) and liver conditions. He has experience treating inflammatory bowel disease, gastroesophageal reflux, constipation, abdominal pain, diarrhea and non-alcoholic fatty liver disease.|He performs diagnostic and therapeutic upper and lower endoscopies, including esophagogastroduodenoscopy (scope of the esophagus), colonoscopy and sigmoidoscopy (scope of the sigmoid colon).|“GI diseases can have a tremendous effect on a child’s (and their family’s) life,” says Dr. Morris. “My goal is to allow my patients and their families to live their best lives without limitation from GI issues.”|Beyond his own clinical interests — which include feeding difficulties, gastrostomy tubes, inflammatory bowel disease and liver disease — Dr. Morris engages his young patients by asking what they like. “I enjoy getting to know each child’s interests and hobbies,” he says.|This West Virginia native earned his Doctor of Medicine at the West Virginia University School of Medicine. He came to Danville when he served as chief pediatric resident at Geisinger Janet Weis Children’s Hospital. After a fellowship in pediatric gastroenterology, hepatology and nutrition at Nationwide Children’s Hospital in Columbus, Ohio, Dr. Morris is glad to be back in Danville.|“The lifestyle in Danville reminds me of where I grew up,” he says. “I am excited to return to the community and to Geisinger.”|When he’s not in the office, Dr. Morris enjoys the great outdoors — particularly hiking and exploring local farmers’ markets and festivals.|Referral|Pediatric patients with gastrointestinal and liver disease and symptoms. Diagnoses and treat pediatric gastrointestinal and liver diseases, such as inflammatory bowel disease, gastroesophageal reflux, constipation, abdominal pain, diarrhea, non-alcoholic fatty liver disease (NAFLD), and many others.|Performs diagnostic and therapeutic endoscopy, such as esophagogastroduodenoscopy, colonoscopy and sigmoidoscopy|clinical interest: feeding difficulties(ie. oral aversion) gastrostomy tubes, inflammatory bowel disease, liver disease. Dr. Morris is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Meckel's Diverticulum, Omphalocele, Umbilical Hernia, and Viral Gastroenteritis.

Conor Mulcahy, DO, is an internal medicine physician. He cares for adults with a range of chronic and acute conditions. “I enjoy being a ‘Jack of all trades’ but have a particular interest in optimizing lifestyle to help patients live healthier lives,” he says.|Dr. Mulcahy earned his medical degree from Lake Erie College of Osteopathic Medicine in Erie. After medical school, he completed a residency at Geisinger Medical Center, where he was resident of the year.|“I love the longitudinal relationships I get to have with patients,” he notes. “I also have a passion for teaching.”|In his spare time, Dr. Mulcahy enjoys ultimate Frisbee and hiking. Dr. Mulcahy is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Obesity, High Cholesterol, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

Harsh Grewal, MD, is a pediatric general surgeon. He specializes in pediatric general, thoracic and minimally invasive surgery. He also takes care of pediatric trauma patients. He has a special interest in minimally invasive surgery applications for access to the spine for children with scoliosis.|Dr. Grewal earned his medical degree from All India Institute of Medical Sciences in New Delhi. After medical school, he completed a General Surgery residency at New York Medical College, NY. He followed that with a fellowship in Pediatric Surgery at Arkansas Children’s Hospital in Little Rock, Ark. He is board certified in general surgery as well as pediatric surgery.|He serves as a journal reviewer for a number of clinical medicine publications. Dr. Grewal has also served as a medical educator, training future surgeons, and has applied for a patent for a medical device. He's had work published in numerous medical journals, books and other publications, and has presented his work at numerous conferences and symposiums around the United States and internationally.|Outside the office, Dr. Grewal enjoys traveling, trail running, hiking and trekking. Dr. Grewal is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Appendicitis, Hirschsprung Disease, Total Intestinal Aganglionosis, Appendectomy, and Spinal Fusion.

Brian Deegan is a Pediatrics provider in Danville, Pennsylvania. Dr. Deegan is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Delayed Growth, Rotor Syndrome, Obesity in Children, and Stork Bite.

Dr. Alaparthi is a board-certified and fellowship-trained general surgeon specializing in minimally invasive surgery. His clinical interests include abdominal wall reconstruction, hernias and robotics. His research interests include outcomes research in hernia surgery. Dr. Alaparthi earned his medical degree from J.J.M. Medical College, Davangere in India. He then moved to the United States to complete his residency at Howard University Hospital. He completed his fellowship in minimally invasive surgery at Geisinger Medical Center. Dr. Alaparthi is certified by the American Board of Surgery. He speaks English and Telugu. Dr. Alaparthi is rated as an Advanced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Hernia, Protein Deficiency, Malnutrition, Hernia Surgery, and Gallbladder Removal.

Dr. Erwin is a board-certified general surgeon. His clinical interests include breast surgery, general surgery and surgical education. His research interests include surgical education. Dr. Erwin obtained his medical degree from the University of Medicine and Dentistry of New Jersey. He completed his residencies at Morristown Memorial Hospital and Lehigh Valley Hospital and Health Network. Dr. Erwin is certified by the American Board of Surgery. Dr. Erwin is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Gallstones, Choledocholithiasis, Gallbladder Disease, Gastrectomy, and Endoscopy.

Dr. Semian is a board-certified general surgeon. His clinical interests include abdominal wall reconstruction, hernia, gallbladder and acute care. His research interests include acute care surgery and hernia surgery. Dr. Semian obtained his medical degree from Rutgers, the State University of New Jersey. He completed his residency at St. Barnabas Medical Center. Dr. Semian is certified by the American Board of Surgery. Dr. Semian is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Ileostomy.

John Widger is a General Surgeon in Bloomsburg, Pennsylvania. Dr. Widger is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Angiosarcoma, Breast Cancer, Paget Disease of the Breast, Intraductal Papilloma, and Gastrectomy.

Annick-Marie Kaufman, MD, is a general surgeon. She performs laparoscopic and open surgeries on adults. She also performs upper and lower endoscopies and ultrasound breast biopsies.|Dr. Kaufman earned her medical degree from Ross University School of Medicine in Barbados. After medical school, she completed a residency at Wright State University Boonshoft School of Medicine in Ohio. She followed that with a fellowship in Mastery in General Surgery at Geisinger Medical Center. Dr. Kaufman is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Hernia, Esophagitis, Gallstones, Choledocholithiasis, and Endoscopy.

Gary Ayers is a General Surgeon and an Undersea and Hyperbaric Medicine provider in Lewisburg, Pennsylvania. Dr. Ayers is rated as an Advanced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Familial Colorectal Cancer, Gallbladder Disease, Gallstones, Pacemaker Implantation, and Hernia Surgery.

Joseph Mucciolo is a General Surgeon in Lewisburg, Pennsylvania. Dr. Mucciolo is rated as an Advanced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Hernia, Umbilical Hernia, Gallbladder Disease, Bladder Reconstruction, and Colostomy.

Christopher Motto is a General Surgeon and a Bariatric Medicine provider in Lewisburg, Pennsylvania. Dr. Motto is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. His top areas of expertise are Familial Colorectal Cancer, Hernia, Gallbladder Disease, Hernia Surgery, and Pacemaker Implantation.

Daria Keyser is a General Surgeon in Lewisburg, Pennsylvania. Dr. Keyser is rated as an Experienced provider by MediFind in the treatment of Umbilical Hernia. Her top areas of expertise are Ogilvie Syndrome, Gallbladder Disease, Gallstones, Hernia Surgery, and Pacemaker Implantation.