John H Marks, MD, Colon & Rectal Surgery

100 E Lancaster Ave
Ste 330 Lankenau Mob W
Wynnewood, PA  19096-3450 (Montgomery County)

Phone: 610-645-9093
Fax: 610-645-9476
Email: mar***@*****hs.org

NPI: 1346212594
License Number: MD046073L (PA)