Dr. Lyass received his medical degree from the 2nd Moscow Medical Institute (now Moscow Medical University) in 1985.
He has been trained in General Surgery in Israel at the Hebrew University-Hadassah Medical Center, Jerusalem, and completed his surgical training at Cedars-Sinai Medical Center’s Department of Surgery. Dr. Lyass completed fellowship in the Minimally Invasive and Bariatric Surgery at Cedars-Sinai Medical Center.
Dr. Lyass has more than 25 years experience in surgery. He is an author of more than 100 scientific publications and book chapters in the leading medical journals.
Dr. Lyass is fluent in Russian and Hebrew.
Professional Education:
Internship: Mount Sinai Medical Center, New York, NY
Residency: Cedars Sinai Medical Center, Los Angeles, CA
Fellowship in Minimally Invasive and Bariatric Surgery: Cedars Sinai Medical Center, Los Angeles, CA
2006 – Board Certified in General Surgery
Patients struggling with obesity problems may see Dr. Lyass for surgical and non-surgical bariatric procedures. Procedures commonly performed by a bariatric surgeon include gastric bypass surgery, adjustable gastric banding, and others designed to help patients lose weight. Dr. Lyass may also utilize non-surgical treatment plans, such as controlling the patient's diet and exercise regimen.
As a general surgeon in California, Dr. Lyass performs a range of of surgeries and operations, usually focusing on areas and organs of the abdomen and their related organs. Dr. Lyass may utilize invasive or minimally-invasive surgical techniques, with the latter reducing recovery time and stress on the patient's body.
2nd Moscow State Medical Institute
MD • 1985
Cedars Sinai Medical Center • Los Angeles, CA
Residency in General Surgery
Cedars Sinai Medical Center • Los Angeles, CA
Fellowship in Minimally Invasive and Bariatric Surgery