Summary

Learn more about this physician. Watch a short video with Dr. Lyass.
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

Quick Facts

  • accepting new patients
  • 4.4
  • 41 years of experience
  • speaks Spanish, Russian
  • Cedars Sinai Medical Center
  • 2 written reviews
  • 2 specialties
  • 6 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 11 office locations
  • Male

Office Locations

Dr. Sergey Fedor Lyass has 11 locations

Cedars Sinai Medical Group Medical Tower West

8635 W 3rd StLos Angeles, CA 90048
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

La Downtown Medical Center Llc

1711 W Temple StLos Angeles, CA 90026

Dignity Health Northridge Hospital Medical Center

18300 Roscoe BlvdNorthridge, CA 91325

Marina Del Rey Hospital

4650 Lincoln BlvdMarina Del Rey, CA 90292

Brand Surgical Institute

716 W BroadwayGlendale, CA 91204
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Marina Weight Loss Center

4640 Admiralty Way Ste 901Marina Del Rey, CA 90292
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Usc Verdugo Hills Hospital

1812 Verdugo BlvdGlendale, CA 91208

United Pacific Surgery Center

18133 VENTURA BLVD STE 400TARZANA, CA 91356
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

Institute For Advanced Urology

6404 Wilshire Blvd Ste 701Los Angeles, CA 90048
Mon9:00 am - 4:30 pm
Tue9:00 am - 4:30 pm
Wed9:00 am - 4:30 pm
Thu9:00 am - 4:30 pm
Fri9:00 am - 4:30 pm
SatClosed
SunClosed

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Dr. Sergey Fedor Lyass, MD
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Dr. Sergey Fedor Lyass, MDDr. Sam Dongxing Zheng, MDDr. Daniel Amirhamzeh, MDDr. Karl Edward Magsamen, MD
SurgeryDiagnostic RadiologyDiagnostic RadiologyDiagnostic Radiology
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
2.8 
41 Years of Experience 10 Years of Experience 15 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Russian
Los Angeles , CALos Angeles , CALafayette , INLansing , MI
Med School: Russian National Research Medical University Named After N I Pirogov Med School: University Of South Florida Health Morsani College Of Medicine Med School: University Of California San Diego School Of Medicine Med School: Creighton University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Sergey Fedor Lyass

  • Accepts Medicare

Medical Specialties

Dr. Sergey Fedor Lyass has the following 2 specialties

Specialty Expertise

Dr. Sergey Fedor Lyass has the following 6 areas of expertise

  • Gastric Bypass (Gastrojejunostomy)
  • Laparoscopic Gallbladder Surgery (Cholecystectomy)
  • Laproscopic Surgery (Laparoscopy)
  • Liver Transplantation
  • Other
  • Weight Loss Surgery (Bariatric Surgery)

Certifications, License, & Education

41 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

Cedars Sinai Medical Center

Medical School

Russian National Research Medical University Named After N I PirogovGraduated in 1985

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Frequently Asked Questions

Is Dr. Sergey Lyass accepting new patients?
Dr. Sergey Lyass is accepting new patients on Vitals. View Dr. Sergey Lyass's profile on Vitals to make an appointment.
Does Dr. Sergey Lyass accept virtual/telehealth appointments?
Dr. Sergey Lyass has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Sergey Lyass speak?
Dr. Sergey Lyass speaks Spanish and Russian.
Does Dr. Sergey Lyass accept my insurance?
You can see the insurance plans that Dr. Sergey Lyass accepts on their Vitals profile.
Which hospitals is Dr. Sergey Lyass affiliated with?
Dr. Sergey Lyass is affiliated with Glendale Memorial Hospital And Health Center, Dignity Health Northridge Hospital Medical Center, Marina Del Rey Hospital, and La Downtown Medical Center Llc.

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