Dr. Katherine A. Mandell

Clancy J. Clark, MD is a board-certified surgeon specializing in hepatobiliary and pancreas surgery with expertise in minimally invasive and robotic surgical techniques. His practice focuses on the surgical management of liver, bile duct, and pancreatic cancers, as well as benign conditions such as bile duct injuries, pancreatitis, and liver tumors. With fellowship training from the Mayo Clinic and extensive experience in complex surgical oncology, Dr. Clark is committed to providing the highest standard of care using the latest advancements in surgical technology.Dr. Clark strives to build trust, transparency, and shared decision-making with his patients. He will take the time to ensure patients and their families fully understand their diagnosis and treatment options, empowering them to make informed decisions. Surgery can be overwhelming, and Dr. Clark helps guide patients through the process with clarity and compassion. By utilizing minimally invasive techniques, Dr. Clark aims to improve surgical outcomes, reduce recovery times, and enhance overall quality of life.Dr. Clark is an internationally recognized surgeon and researcher focused on improving outcomes in hepatobiliary and pancreatic surgery, with an emphasis on surgical innovation, healthcare informatics, and clinical trials for gastrointestinal cancers. He has led national studies evaluating surgical risk assessment, perioperative optimization, and novel treatment strategies. Additionally, Dr. Clark is actively involved in shaping surgical education and policy through leadership roles in national surgical societies.Outside of work, Dr. Clark enjoys fly fishing, skiing, and traveling.  He has a passion for Formula One racing, which reflects his appreciation for precision, innovation, and continuous improvement—principles that also guide his surgical practice. Dr. Clark is rated as an Advanced provider by MediFind in the treatment of Childhood Pancreatitis. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Acute Pancreatitis, Pancreatectomy, and Small Bowel Resection.

Karen Horvath is a General Surgeon in Seattle, Washington. Dr. Horvath is rated as an Advanced provider by MediFind in the treatment of Childhood Pancreatitis. Her top areas of expertise are Acute Pancreatitis, Hereditary Pancreatitis, Childhood Pancreatitis, Necrosis, and Hernia Surgery. Dr. Horvath is currently accepting new patients.

Thomas Biehl, MD, FACS is a board-certified general surgeon with expertise in laparoscopic procedures (cholecystectomy, splenectomy, adrenalectomy, hernia repair, appendectomy, colon resection), liver resection, pancreatic resection, hernia surgery and adrenal surgery.Dr. Biehl is a Fellow of the American College of Surgeons (FACS) and clinical instructor of surgery at University of Washington. Dr. Biehl is a member of many medical societies including Fellow of American College of Surgeons, Society of American Gastrointestinal and Endoscopic Surgeons, Society for Surgery of the Alimentary Tract, North Pacific Surgical Society and Western Surgical Society. Dr. Biehl was selected Seattle Surgical Society Top Doctor, Seattle Magazine in 2009, 2010 and 2019; and Top Doctor, Seattle Met Magazine in 2009, 2010 and 2019. Dr. Biehl is rated as a Distinguished provider by MediFind in the treatment of Childhood Pancreatitis. His top areas of expertise are Pancreatic Cancer, Acute Pancreatitis, Hernia, Pancreaticoduodenectomy, and Pancreatectomy.