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Dr. Sergey Lyass, MD

Dr. Sergey Lyass, MD

Age 59 Bariatric Surgery M
(5) 5 reviews
Accepting New Patients


Dr. Sergey Lyass, MD is a bariatric surgery specialist in Los Angeles, CA. Dr. Lyass completed a residency at Cedars Sinai Med Center. He currently practices at A Gershman MD and is affiliated with Cedars - Sinai Medical Center. He accepts multiple insurance plans. Dr. Lyass is board certified in General Surgery.


  • Cedars Sinai Med Center, Fellowship Hospital — 2006
  • Cedars Sinai Med Center, Residency Hospital — 2005
  • Second Moscow Ni Pirogov State Medical Institute, Medical School — 1985

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • Commercial Insurance Company
  • Coventry Health Care
  • Health Net
  • Health Net of California
  • LACare
  • MultiPlan
  • Premera Blue Cross
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.


Hebrew, Russian


  1. Practice

    1. 1
      A Gershman MD
      8631 W 3rd St Ste 900e, Los Angeles, CA 90048 Existing Patients: (310) 623-1786
  1. Brand Surgical Institute Inc

    1. 2
      Brand Surgical Institute Inc
      1141 N Brand Blvd Ste 200, Glendale, CA 91202 Existing Patients: (818) 243-9999

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Thank you Dr Lyass you have change my life with my Gastro by pass surgery in 11/2/2015 I was 221 lbs now 2/2/16 at 175 lbs . and after being under insulin and diabetes medication iam under no pills and no insulin thankkkkk you thank you Dr Lyass and staff ms Gloria she is so help full and nice beutifull person thank you clinic super clean and profesional
maria manzo de aguilar in huntington park california — Feb 03, 2016
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Dr. Sergey Lyass, MD
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Frequently Asked Questions

Dr. Lyass frequently treats Obesity, Lipomas, and Inguinal Hernia.  

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Hospital Affiliations

  • Cedars - Sinai Medical Center
  • Cedars Sinai Marina del Rey Hospital
  • Northridge Hospital Medical Center