Sergey Lyass, M.D., FACS
Dr. Sergey Lyass is board-certified in General Surgery, specializing in performing a wide range of procedures with a keen interest in the surgeries concerning the abdomen and the related organs and structures. He is trained to practice Bariatric Surgery by using minimally-invasive techniques, contributing to the reduction of patient's recovery time and stress. The surgeon is a member of multiple honorable professional organizations, such as the Society of the American Gastrointestinal Endoscopic Surgeons, the American Society of Metabolic and Bariatric Surgery, and the American College of Surgeons. Dr. Sergey Lyass has authored over 100 papers in peer-reviewed journals and has given presentations on bariatric and laparoscopic surgery. Dr. Sergey Lyass is also a da Vinci robotic surgery provider, serving mostly patients in Los Angeles, Glendale, and Marina del Rey, California.
He earned his medical degree from Moscow Medical University in 1985. He was trained in General Surgery in Israel at the Hebrew University-Hadassah Medical Center in Jerusalem and completed his internship at Mount Sinai Medical Center in New York City. Dr. Sergey Lyass underwent both his surgical residency and his fellowship in minimally-invasive and bariatric surgery at Cedars-Sinai Medical Center. He has approximately 30 years of professional experience and before practicing in California, he had a medical license for Iowa and Florida. In addition to practicing medicine in California, the surgeon can also practice in Nevada at the moment.
Procedures Dr. Sergey Lyass Performs at Cedars-Sinai Marina del Rey Hospital
- Blue Cross / Blue Shield
- Coventry Health Care
- United Healthcare
Education & Training
Moscow II State Medical School
Institute of Cardio-Vascular Surgery n.a. Bakulev, Moscow
Mount Sinai Medical Center
Hebrew University-Hadassah Medical Center in Jerusalem, Israel - General Surgery
Mount Sinai School of Medicine - General Surgery
Cedars-Sinai Medical Center, Los Angeles - Minimally Invasive and Bariatric Surgery
Memberships & Affiliations
Publications & Media
Obesity Does Not Affect Mortality after Trauma.
The American Surgeon
Laparoscopic Transcystic Duct Common Bile Duct Exploration.
Leveling the Learning Curve for Laparoscopic Bariatric Surgery.
Device-Related Reoperations after Laparoscopic Adjustable Gastric Banding.
The American Surgeon
Portal Vein Thrombosis following Splenectomy: Identification of Risk Factors.
Fujita, F., Lyass, S., Otsuka, K., Giordano, L., Rosenbaum, D. L., Khalili, T. M., Phillips, E. H.
Current Status of an Antireflux Procedure in Laparoscopic Heller Myotomy.
Lyass, S., Thoman, D., Steiner, J. P., Phillips, E.; Surg Endosc. 2003 Apr 01.
Follow-up Imaging Studies of Blunt Splenic Injury: Do They Influence Management?
Lyass, S., Sela, T., Lebensart, P. D., Muggia-Sullam, M.; Isr Med Assoc J. 2001 Oct 01.
Combined Colon and Hepatic Resection for Synchronous Colorectal Liver Metastases.
Lyass, S., Zamir, G., Matot, I., Goitein, D., Eid, A., Jurim, O.; J Surg Oncol. 2001 Sep 01.