
34 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lyass, Surgeon in Los Angeles, CA?
Dr. Sergey Lyass, MD is a Surgeon, who primarily practices in Los Angeles, CA. He has been practicing for over 34 years and is board certified. Dr. Lyass graduated from Second Tashkent State Medical Institute and completed his residency at Cedars-Sinai Medical Center. Dr. Lyass is fluent in English and Hebrew, and is currently seeing new patients. Dr. Lyass’s practice accepts Kaiser Permanente, Medicaid, Medicare, Aetna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lyass’s office at (310) 623-1786.
What are Areas of Expertise for Dr. Lyass?
Dr. Sergey Lyass, MD is a highly-rated, board-certified Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Lyass empowers patients to confidently navigate their health journey, specializing in Bariatric/Obesity Surgery, Gastric Bypass, Gastric Sleeve, Robotic Surgery, and comprehensive wellness support. Serving the Los Angeles, CA community, Dr. Lyass is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Lyass go to medical school and complete their residency?
Residency: Cedars-Sinai Medical Center
Medical School: Second Moscow Medical Institute N. I. Pirogova | Second Tashkent State Medical Institute
Is Dr. Lyass board certified as a Surgeon?
Yes, Dr. Sergey Lyass, MD is board certified by the American Board of Surgery
What languages does Dr. Lyass speak?
Dr. Lyass and their clinical team can communicate with patients in the following languages:
English
Hebrew
What conditions does a Surgeon like Dr. Lyass typically treat?
As a Surgeon, Dr. Lyass diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Lyass. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Severe Obesity
- Obesity
- Helping Your Child Who Is Overweight
- Take Charge of Your Health: A Guide for Teenagers
- Understanding Adult Overweight & Obesity
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
ICD-10 Codes:
- E6601: Morbid (severe) obesity due to excess calories
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Gallstones with Acute and Chronic Gallbladder Inflammation
- Bile Duct Disease
- Gallstones
- Mixed cholecystitis with gallstones
- Acute and chronic gallbladder attack
ICD-10 Codes:
- K8012: Calculus of gallbladder with acute and chronic cholecystitis without obstruction
Also known as:
- Right Upper Abdominal Pain
- Abdominal Pain
- RUQ pain
- Pain in upper right stomach
- Right upper belly pain
ICD-10 Codes:
- R1011: Right upper quadrant pain
What procedures does a Surgeon like Dr. Lyass typically perform?
As a Surgeon, Dr. Lyass performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Lyass. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Laparoscopic Gallbladder Removal with X-ray
- Keyhole Gallbladder Surgery
- Cholecystectomy with Cholangiography
- Minimally Invasive Gallbladder Removal
CPT Codes:
- 47563: Laparoscopy, surgical; cholecystectomy with cholangiography
Also known as:
- Laparoscopic Repair of Paraesophageal Hernia (No Mesh)
- Keyhole Paraesophageal Hernia Repair
- Laparoscopic Hiatal Hernia Repair
- Fundoplasty (Laparoscopic)
CPT Codes:
- 43281: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; without implantation of mesh
Also known as:
- Laparoscopic Sleeve Gastrectomy
- Gastric Sleeve Surgery
- Longitudinal Gastrectomy
- Laparoscopic Weight Loss Surgery
CPT Codes:
- 43775: Laparoscopy, surgical, gastric restrictive procedure; longitudinal gastrectomy (ie, sleeve gastrectomy)
Also known as:
- Open Liver Biopsy (Wedge)
- Wedge Liver Biopsy
- Surgical Liver Biopsy
- Liver Tissue Sample
CPT Codes:
- 47100: Biopsy of liver, wedge
Also known as:
- Laparoscopic Appendectomy
- Minimally Invasive Appendectomy
- Keyhole Appendectomy
- Scope Appendectomy
CPT Codes:
- 44970: Laparoscopy, surgical, appendectomy
Also known as:
- Peripheral Nerve Block
- Nerve injection
- Pain relief injection
- Steroid injection for nerve pain
CPT Codes:
- 64450: Injection(s), anesthetic agent(s) and/or steroid; other peripheral nerve or branch
Does Dr. Lyass accept my insurance?
Dr. Lyass accepts most major insurance plans. Important: Please call our office at (310) 623-1786 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lyass accept in Los Angeles, CA?
Dr. Lyass in Los Angeles, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Shield of California
Centene Corporation
City of Los Angeles
Elevance Health Inc. (formerly Anthem)
L.A. Care Health Plan
Medicare
Other Health Care Provider
Preferred IPA
State of California
UnitedHealth Group
View All Insurances
Where is Dr. Lyass' office located?
Dr. Sergey Lyass' Primary Practice
5901 W Olympic Blvd Ste 309
Los Angeles, CA 90036
(310) 623-1786
What is Dr. Lyass's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lyass's National Provider Identifier (NPI) number is 1316996911.
What common questions do patients ask about Dr. Lyass?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lyass
What is Dr. Sergey Lyass's specialty?
Dr. Lyass is a Surgeon near Los Angeles, CA.
What does a Surgeon do?
General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery.
Is this Dr. Sergey Lyass affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Lyass is affiliated with Cedars-Sinai Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Surgeon?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Surgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Sergey Lyass accepting new patients in Los Angeles, CA?
Yes, Dr. Sergey Lyass is accepting new patients at this time.
Does Dr. Sergey Lyass offer online booking?
Please contact Dr. Lyass's office at (310) 623-1786 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Sergey Lyass?
Please contact Dr. Lyass's office at (310) 623-1786 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Sergey Lyass have?
Dr. Sergey Lyass is certified by the American Board of Surgery.
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