Dr. Peter B. Ojo

Christian Tvetenstrand is a General Surgeon in Johnson City, New York. Dr. Tvetenstrand is rated as a Distinguished provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Gastrostomy.

Dr. Horsley attended the West Virginia School of Osteopathic Medicine, where he earned his degree in osteopathic medicine. He completed his residency at Geisinger Northeast General Surgery program in Wilkes Barre, Pa. He then continued his surgical training at Geisinger Medical Center in Danville, Pa., where he completed a fellowship in minimally invasive and bariatric surgery.|Dr. Horsley is a board certified in general surgery by the American Osteopathic Board of Surgery. He holds certifications by the American Society for Metabolic and Bariatric Surgery (ASMBS) for metabolic & bariatric surgery and by the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) for advanced GI MIS & bariatrics, and is verified by ASMBS/SAGES for bariatric endoscopy-bariatric endoscopy skill acquisition focused evaluation (BE-SAFE). Dr. Horsley is rated as a Distinguished provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Obesity, Malnutrition, Hiatal Hernia, Gastric Bypass, and Endoscopy.

Clark Gerhart is a General Surgeon in Plains, Pennsylvania. Dr. Gerhart is rated as an Advanced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Hernia, Gallbladder Disease, Cholecystitis, Hernia Surgery, and Gastrostomy.