Sergey Lyass, MD Marina del Rey, CA Office

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4644 Lincoln Boulevard
Suite 450
Marina del Rey, CA 90292

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Sergey Lyass, MD

Bariatric Surgeon and Weight Loss Physician serving the Los Angeles area

Sergey Lyass, MD is a bariatric surgeon, weight loss specialist, and da Vinci® robotic surgery provider serving patients in Los Angeles, Glendale, and Marina del Rey, California. He received his medical degree from the 2nd Moscow Medical Institute (now Moscow Medical University) in 1985.

He was trained in general surgery in Israel at the Hebrew University-Hadassah Medical Center in Jerusalem, and did his internship at Mount Sinai Medical Center in New York City. Dr. Lyass completed both his surgical residency and his fellowship in minimally-invasive and bariatric surgery at Cedars-Sinai Medical Center in Los Angeles.

Dr. Lyass is board certified in general surgery. He has more than 25 years of experience performing surgery, including various types of minimally-invasive procedures and bariatric weight-loss surgeries using the da Vinci Surgical System.

Dr. Lyass is the author of more than 100 scientific publications and book chapters in leading medical journals. He 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
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Sergey Lyass, MD

Sergey Lyass, MD is a bariatric surgeon, weight loss specialist, and da Vinci® robotic surgery provider serving patients in Los Angeles, Glendale, and Marina del Rey, California. He received his medical degree from the 2nd Moscow Medical Institute (now Moscow Medical University) in 1985.

He was trained in general surgery in Israel at the Hebrew University-Hadassah Medical Center in Jerusalem, and did his internship at Mount Sinai Medical Center in New York City. Dr. Lyass completed both his surgical residency and his fellowship in minimally-invasive and bariatric surgery at Cedars-Sinai Medical Center in Los Angeles.

Dr. Lyass is board certified in general surgery. He has more than 25 years of experience performing surgery, including various types of minimally-invasive procedures and bariatric weight-loss surgeries using the da Vinci Surgical System.

Dr. Lyass is the author of more than 100 scientific publications and book chapters in leading medical journals. He is fluent in Russian and Hebrew.

Professional Education:


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