Dr. Lander is originally from the Hudson Valley in New York. He graduated from University of Delaware, magna cum laude, where he earned his Bachelor of the Arts in Biology and Psychology. He received his D.O. from the Philadelphia College of Osteopathic Medicine. He completed his training in Internal Medicine and Gastroenterology at Lankenau Medical Center in Wynnewood, PA. He is board certified in Internal Medicine and Gastroenterology.