4.4
7 Ratings with 2 written Reviews
Summary
Dr. Sergey Lyass treats obesity and overweight, abdominal pain, and cholelithiasis, and performs laparoscopy, laparoscopic gallbladder removal surgery, and cholecystectomy. He practices surgery and has 41 years of experience. Dr. Lyass speaks Russian and Spanish in addition to English.
He completed his residency at Cedars Sinai Medical Center and sees patients across Los Angeles, Glendale, Northridge, Tarzana, and Marina Del Rey, California, with affiliations at Glendale Memorial Hospital and Health Center, Dignity Health Northridge Hospital Medical Center, Cedars Sinai Marina Hospital, and LA Downtown Medical Center. Patients on Vitals rate Dr. Lyass 4.4 out of 5.
He completed his residency at Cedars Sinai Medical Center and sees patients across Los Angeles, Glendale, Northridge, Tarzana, and Marina Del Rey, California, with affiliations at Glendale Memorial Hospital and Health Center, Dignity Health Northridge Hospital Medical Center, Cedars Sinai Marina Hospital, and LA Downtown Medical Center. Patients on Vitals rate Dr. Lyass 4.4 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 41 years of experience
- speaks Russian, Spanish
- Cedars Sinai Medical Center
- 2 written reviews
- 2 specialties
- 6 areas of expertise
- 4 hospital affiliations
- 11 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Sergey Fedor Lyass has 11 locationsCedars Sinai Medical Group Medical Tower West
8635 W 3rd StLos Angeles, CA 90048 Tel: (800) 700-6424
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
Glendale Memorial Hospital And Health Center
1420 S Central AveGlendale, CA 91204 Tel: (818) 502-1900
Dignity Health Northridge Hospital Medical Center
18300 Roscoe BlvdNorthridge, CA 91325 Tel: (818) 885-8500
Brand Surgical Institute
716 W BroadwayGlendale, CA 91204Mon8:30 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 90292Mon9:00 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
United Pacific Surgery Center
18133 Ventura Blvd Ste 400Tarzana, CA 91356 Tel: (818) 668-6200
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 90048Mon9:00 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
Compare with Similar Doctors
 |  |  |  |
| Dr. Sergey Fedor Lyass, MD | Dr. Marcelina G Perez | Dr. Aakash Lad | Dr. Kurosh Majd, MD |
| Surgery | Diagnostic Radiology | Diagnostic Radiology | Diagnostic Radiology |
| Accepts New Patients | Accepts New Patients | ||
| 41 Years of Experience | 8 Years of Experience | 10 Years of Experience | 30 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Russian, Spanish | Speaks English, Spanish | ||
| Los Angeles , CA | Stanford , CA | Torrance , CA | Torrance , CA |
| Med School: Russian National Research Medical University Named After N I Pirogov | Med School: Stanford University School Of Medicine | Med School: Ross University School Of Medicine | Med School: George Washington University School Of Medicine & Health Sciences |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Sergey Fedor Lyass
Medical Specialties
Dr. Sergey Fedor Lyass has the following 2 specialties
Specialty Expertise
Dr. Sergey Fedor Lyass has the following 6 areas of expertise
Certifications, License, & Education
41 Years Experience
Dr. Sergey Fedor Lyass holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Education & Training
Residency
Completed their residency at Cedars Sinai Medical Center.
Medical School
Graduated from Russian National Research Medical University Named After N I Pirogov in 1985.
NPI Number
Dr. Lyass' NPI number is 1316996911.
Similar doctors
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 my insurance?
- You can see the insurance plans that Dr. Sergey Lyass accepts on their Vitals profile.
- 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.
- How can I make an appointment with Dr. Sergey Lyass?
- You can find contact information for Dr. Sergey Lyass here on Vitals.
- 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, Cedars Sinai Marina Hospital, and La Downtown Medical Center Llc.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
