Dr. Ratnayake was born and raised in Valparaiso, Indiana. He graduated from Lafayette College with a degree in electrical and computer engineering and earned his medical degree from Indiana University School of Medicine. He completed a family medicine residency at St. Francis Hospital and Health Center before joining Community Health Network in 2010.

As a board-certified family physician, Dr. Ratnayake enjoys treating patients of all ages, from pediatrics to geriatrics. He looks forward to creating lasting patient-physician partnerships focused on healthy living.

Dr. Ratnayake's favorite leisure time activities are playing the piano and swimming.