background
background
Dr. Sergey Lyass, MD

Dr. Sergey Lyass, MD

Bariatric Surgery*
35+ years of experience

Dr. Sergey Lyass, MD is a bariatric surgery specialist in Los Angeles, CA and has over 35 years of experience in the medical field. He graduated from Second Moscow Ni Pirogov State Medical Institute in 1985. He is affiliated with medical facilities such as Cedars-Sinai Medical Center and Providence Cedars-Sinai Tarzana Medical Center. He is accepting new patients and telehealth appointments.

5 Star Rating
Based on 6 reviews 5 Star Rating (6 reviews)

Practice

8631 W 3rd St Ste 900 Los Angeles, CA 90048
Telehealth available

Make an Appointment

(310) 623-1786

At a Glance

  • Area of Expertise
    Dr. Lyass specializes in the area of General Surgery. • See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    America's 100 Best Hospitals Award™ • See hospitals
ADVERTISEMENT
healthgrades-rx

Save money with free prescription discounts

Optum Perks and Healthgrades are subsidiaries of RVO Health.

Experience Check

Search for experience in a specific area

Learn more about experience and why treatment frequency matters

Insurance Check

Search for your insurance carrier and choose your plan type

Dr. Lyass' Reviews

Likelihood to recommend Dr. Lyass

5.0

6 ratings, 2 with a written review
5 Star
100%
100%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
0%
0%

Your trust is our top concern. Learn more.

We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.

All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.

Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.

Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.

RecentHighestLowestMost Helpful
What went well
  • I felt respected
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
What could be improved
  • Didn't trust the provider's decisions
  • Long wait times
2 people found this helpful
Helpful
Pamela Richardson – Jun 13, 2023
×Post a ResponseAre you Dr. Sergey Lyass, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
6 people found this helpful
Helpful
maria manzo de aguilar in huntington park california – Feb 03, 2016
×Post a ResponseAre you Dr. Sergey Lyass, MD?

Leave a review

How was your experience with Dr. Lyass?

Know Before You Go

About Me

care philosophy

Patients' understanding of their conditions is the most critical first step in their healing process. We emphasize patient teaching in every aspect of our encounters with our patients.

  • Bariatric Surgery

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Cedars Sinai Medical Center

    Fellowship Hospital, 2006

  • Cedars Sinai Medical Center

    Residency Hospital, 2005

  • Second Moscow Ni Pirogov State Medical Institute

    Medical School, 1985
American Board of Medical Specialties®
American Board of Surgery®
- 
General Surgery
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

  • English

  • Hebrew

  • Russian

Healthgrades Tips on Weight Loss Treatment

Locations

Practice

Office8631 W 3rd St Ste 900 Los Angeles, CA 90048
1
Alexander Gershman MD APC5901 W Olympic Blvd Ste 309 Los Angeles, CA 90036
2
Socal Outpatient Surgery Center716 W Broadway Glendale, CA 91204
3
Office4640 Admiralty Way Ste 901 Marina del Rey, CA 90292
4

Affiliated Hospitals

  • Cedars-Sinai Medical Center

    8700 Beverly Blvd
    West Hollywood, CA 90048
    Recipient of 37
    hospital awards

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    83%
    Patients said they were given information about recovering at home

    1% lower than the national average

    79%
    Patients would recommend the hospital to friends and family

    14% higher than the national average

    View all patient feedback

  • Providence Cedars-Sinai Tarzana Medical Center

    18321 Clark St
    Tarzana, CA 91356
    Recipient of 5
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    78%
    Patients said they were given information about recovering at home

    6% lower than the national average

    76%
    Patients said that doctors always listened to them and explained things well
    View all patient feedback

  • Valley Presbyterian Hospital

    15107 Vanowen St
    Van Nuys, CA 91405

    How patients felt about the care they received at this hospital.

    84%
    Patients said they were given information about recovering at home
    76%
    Patients said their room and bathroom were always kept clean

    9% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality