Background and education

Dr. Liyanage graduated with honors from Harvard Medical School and completed his surgery training at Washington University, Barnes Jewish Hospital in St. Louis, MO, which is consistently ranked as being among the top hospitals in the USA. He brings over 22 years of general surgery and vascular surgery experience to his practice in Mt. Vernon and Centralia and is board-certified by the American Board of Surgery. 

Hospital affiliations

Dr. Liyanage is affiliated with several hospitals in the region, including:

  • Crossroads Community Hospital
  • Heartland Regional Medical Center
  • St. Mary’s Hospital Centralia Campus
  • Good Samaritan Hospital Mount Vernon Campus
Advanced Surgical Technology

Compassion, dedication, and experience: Dr. Liyanage

The experience, personality, and compassionate care you experience with your doctor are extremely important to your well-being and your treatment’s success. Dr. Liyanage is dedicated to ensuring he understands your needs, your concerns and that you have all of your questions answered fully. You will never feel rushed or like “just another patient,” as at Advanced Surgical Technology, you will discover a fresh approach that you may not find in other clinics. 

Dr. Liyanage approaches medicine with the philosophy that he would prefer to provide great care to ten patients than mediocre care to thirty patients.

He takes his responsibility to his patients very seriously. His warm, compassionate personality makes your treatment as pleasant and rewarding as possible.

Dr. Liyanage: What we do at Advanced Surgical Technology in Mt. Vernon

We have built Advanced Surgical Technology to provide you with a broader scope of services than what is typically found at a medical clinic. Dr. Liyanage can treat a range of medical conditions, including:

Vascular problems

Dr. Liyanage is often called upon to treat vascular conditions, including:

  • Abdominal aortic aneurysm (“AAA”)
  • Peripheral Artery Disease (PAD)
  • Peripheral artery aneurysms
  • Venous Reflux
  • Spider veins
  • Varicose veins
  • Dialysis Access Placement

General surgery procedures

Dr. Liyanage can perform a wide range of general surgery procedures, including:

  • Robotic Assisted Laparoscopy 
  • Colon Surgery
  • Endocrine Surgery
  • Minor Skin Procedures
  • Endoscopics

Meet with us.

We invite you to visit our clinic in Mt. Vernon, Centralia, and Marion and discover a fresh approach to surgery, aesthetics, and primary care, where you will be treated with warmth, compassion, and dedicated care.

On a personal note…

Dr. Liyanage is married, with three daughters. He has put down roots in Southern Illinois, and loves the outdoors. He supports medical missions across the globe, and is dedicated to service both at home and abroad. He also owns two CrossFit gyms, and enjoys the pursuit of physical fitness.

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