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 with 1 additional practice location. 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 Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare, Aetna 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 or 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, or 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 Dr. Lyass 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.
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:
- Right Upper Abdominal Pain
- Right Lower Abdominal Pain
- Abdominal Pain
- Pelvic Pain
- RUQ pain
- Pain in upper right stomach
- Right upper belly pain
- Pain in lower right belly
- RLQ pain
- Right-sided lower abdominal discomfort
ICD-10 Codes:
- R1011: Right upper quadrant pain
- R1031: Right lower quadrant pain
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:
- Bariatric Surgery Status
- Weight Loss Surgery
- Weight-loss (Metabolic & Bariatric) Surgery
- Weight Loss Surgery History
- Gastric Bypass Status
- Sleeve Gastrectomy Status
ICD-10 Codes:
- Z9884: Bariatric surgery status
Also known as:
- Nonalcoholic steatohepatitis (NASH)
- Fatty Liver Disease
- Non-alcoholic fatty liver disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NASH
- Non-alcoholic fatty liver disease with inflammation
- Fatty liver inflammation
ICD-10 Codes:
- K7581: Nonalcoholic steatohepatitis (NASH)
What procedures does Dr. Lyass 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.
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 Repair of Paraesophageal Hernia (No Mesh)
- Inguinal Hernia Repair (Adults and Children 5+)
- Laparoscopic Inguinal Hernia Repair
- Keyhole Paraesophageal Hernia Repair
- Laparoscopic Hiatal Hernia Repair
- Fundoplasty (Laparoscopic)
- Groin Hernia Surgery
- Reducible Inguinal Hernia Repair
- First Inguinal Hernia Fix
- Adult Inguinal Hernia Surgery
- Keyhole Groin Hernia Surgery
- Minimally Invasive Hernia Repair
- Laparoscopic Hernioplasty
CPT Codes:
- 43281: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; without implantation of mesh
- 49505: Repair initial inguinal hernia, age 5 years or older; reducible
- 49650: Laparoscopy, surgical; repair initial inguinal hernia
Also known as:
- Laparoscopic Gallbladder Removal with X-ray
- Laparoscopic Gallbladder Removal
- Keyhole Gallbladder Surgery
- Cholecystectomy with Cholangiography
- Minimally Invasive Gallbladder Removal
- Cholecystectomy Laparoscopic
- Minimally Invasive Gallbladder Surgery
CPT Codes:
- 47563: Laparoscopy, surgical; cholecystectomy with cholangiography
- 47562: Laparoscopy, surgical; cholecystectomy
Also known as:
- Laparoscopic Sleeve Gastrectomy
- Laparoscopic Gastric Bypass Surgery
- Duodenal Switch Weight Loss Surgery
- Weight Loss Surgery
- Laparoscopy
- Gastric Sleeve Surgery
- Longitudinal Gastrectomy
- Laparoscopic Weight Loss Surgery
- Roux-en-Y Gastric Bypass
- Minimally Invasive Gastric Bypass
- Bariatric Surgery Laparoscopic
- Stomach Bypass Surgery
- Biliopancreatic diversion
- Gastric restrictive surgery
- Weight loss stomach surgery
CPT Codes:
- 43775: Laparoscopy, surgical, gastric restrictive procedure; longitudinal gastrectomy (ie, sleeve gastrectomy)
- 43645: Laparoscopy, surgical, gastric restrictive procedure; with gastric bypass and small intestine reconstruction to limit absorption
- 43845: Gastric restrictive procedure with partial gastrectomy, pylorus-preserving duodenoileostomy and ileoileostomy (50 to 100 cm common channel) to limit absorption (biliopancreatic diversion with duodenal switch)
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:
- Removal of Adjustable Gastric Band (Laparoscopic)
- Gastric Band Removal
- Lap-Band Removal
- Weight Loss Device Removal
- Bariatric Surgery Revision
CPT Codes:
- 43774: Laparoscopy, surgical, gastric restrictive procedure; removal of adjustable gastric restrictive device and subcutaneous port components
Also known as:
- Emergency Abdominal Hernia Repair with Mesh
- Incarcerated Hernia Repair
- Strangulated Hernia Surgery
- Ventral Hernia Repair with Mesh
- Umbilical Hernia Repair
CPT Codes:
- 49594: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); 3 cm to 10 cm, incarcerated or strangulated
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Laparoscopic Removal of Intestinal Adhesions
- Laparoscopic Enterolysis
- Bowel Adhesion Release
- Minimally Invasive Adhesion Removal
- Abdominal Adhesion Surgery
CPT Codes:
- 44180: Laparoscopy, surgical, enterolysis (freeing of intestinal adhesion) (separate procedure)
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
Also known as:
- Spermatic Cord Lesion Removal
- Spermatic Cord Mass Excision
- Testicular Cord Lesion Surgery
- Scrotal Mass Removal
CPT Codes:
- 55520: Excision of lesion of spermatic cord (separate procedure)
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
City of Los Angeles
Elevance Health Inc. (formerly Anthem)
FirstMerit Corporation
Medicaid
Medicare
Other Health Care Provider
Preferred IPA
UnitedHealthcare
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. 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. Contact Dr. Lyass to book an appointment today.
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
Where can I learn more about Surgeon?
Explore Surgeon with 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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