General Surgery

Marshall General Surgery

El Dorado County General Surgery Clinic

General surgeons are highly skilled surgical specialists whose area of expertise extends to various parts of the body. Our board certified general surgeons provide outstanding surgical care for a wide range of procedure and surgical needs. Whether your need is a simple outpatient procedure or a complicated surgery requiring hospitalization, you can trust Marshall General Surgery to provide excellent, compassionate care, both in the operating room and physician office. General surgeons are trained in emergency surgery, laparoscopic, and endoscopic techniques.
We also utilize state-of-the-art da Vinci robotic assisted surgery as a minimally invasive option for some general surgery needs.

Common surgeries performed at Marshall General Surgery:

  • Trauma Surgery/ Surgical Critical Care
  • Laparoscopic Surgery
  • Colorectal Surgery
  • Breast Surgery
  • Vascular Surgery
  • Surgical Oncology
  • Thoracic Surgery

Meet Our Team

  • Anna Cantrell, MD, is a board certified general surgeon. She completed her medical degree at Dartmouth Medical School and her residency at UC Davis Medical Center. When she's not at work or at home with her family, she enjoy outdoors activities like back country skiing and rock climbing.
  • Richard Detwiler, MD, is an experienced general surgeon providing a comprehensive range of surgical care for both planned and emergent surgery needs, including endoscopic and laparoscopic procedures, surgical treatment of malignancies, sclerotherapy, vascular surgeries and specialty procedures of Crohn’s disease, ulcerative colitis, and other conditions. He has been affiliated with Marshall Medical Center since moving to the area in 1989.
  • Kathleen Hertzer, MD, PhD, is a board certified general surgeon at Marshall General Surgery in Placerville. She received her medical degree from Indiana University School of Medicine. Her clinical interests are broad and include laparoscopic and robotic techniques, acute care and trauma surgery, colorectal, breast, foregut, hernia and other aspects of general surgery. Dr. Hertzer likes to fix problems for patients that make a big difference to their health and comfort.
  • Ryan Lussenden, MD, is an experienced general surgeon who is board certified in general surgery and has completed a bariatric surgery fellowship. He joined Marshall Medical Center in 2018, having previously worked in Minnesota and Florida. Dr. Lussenden has several clinical interests including both laparoscopic and robotic techniques. He particularly enjoys hernia, gallbladder, foregut, breast, colorectal surgery, among other aspects of general surgery.
  • Craig Thayer, MD, is an experienced general surgeon, having provided routine and life-saving surgical procedures for the community for over 20 years. Dr. Thayer provides a wide range of surgical care for both planned and emergent surgery needs, including traumatic injury situations, surgical treatment of malignancies, endoscopic and laparoscopic procedures, ulcerative colitis and other conditions. He is the only surgeon in the county performing vascular and thoracic surgery.

Marshall General Surgery is located at 1095 Marshall Way, in Placerville. To make an appointment, call (530) 626-3682.