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Main Line HealthCare welcomes colon and rectal surgeon, Henry P. Schoonyoung, MD

Main Line Health July 2, 2015 News Releases

(Wynnewood, PA) – Main Line HealthCare (MLHC), John Marks, MD and Gerald Marks, MD are pleased to welcome Henry P. Schoonyoung, MD to Marks Colorectal Surgical Associates. Dr. Schoonyoung specializes in Colon and Rectal Surgery and the management of colon and rectal cancers. He has expertise in both laparoscopic and robotic-assisted surgical procedures, and provides minimally invasive surgical treatment of inflammatory bowel disease, diverticulitis, colon and rectal cancer, pelvic floor disorders, anal fissures and fistulas, and hemorrhoids, as well as laparoscopic removal of rectal polyps and early-stage rectal cancers.

Dr. Schoonyoung is board certified, and earned his medical degree from Ross University School of Medicine in Dominica, West Indies. He completed his general surgery residency at Lankenau Medical Center where he trained under Dr. Marks during his Colon and Rectal rotation. Following residency, Dr. Schoonyoung went on to complete a Fellowship in Colon and Rectal Surgery at Florida Hospital in Orlando, Florida. He is a member of the American College of Surgeons, American Society of Colon & Rectal Surgeons, and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES). Dr. Schoonyoung is on staff at Main Line Health hospitals—Lankenau Medical Center, and Bryn Mawr, Paoli and Riddle hospitals.

Marks Colorectal Surgical Associates is conveniently located on the campus of Lankenau Medical Center in Suite 330 of Medical Office Building West. Dr. Schoonyoung welcomes new patients and accepts most insurance plans including HMOs and PPOs. To schedule an appointment, call 610.645.9093, or for more information visit

About Main Line HealthCare

Main Line HealthCare, the employed multi-specialty physician network of Main Line Health, includes nearly 400 community and hospital-based physicians spanning over 30 clinical specialties and subspecialties.


Bridget Therriault
Director, Communications
Office: 484.580.1025
Cell: 484.222.9154