Potschka, Gretchen M. MD Back Name: Potschka, Gretchen M. MD PeaceHealth Team C  Address: PeaceHealth Team C 1615 Delaware Street Longview WA 98632 Driving Directions (MapQuest - opens new window) Phone Number: (360) 414-2360 FAX: (360) 414-2361 Specialty Type Internal Medicine Primary Pediatrics Primary Board Certified Year Expires American Board of Internal Medicine 2003 12/31/2013 American Board of Pediatrics 2003 12/31/2010 Education Type Specialty Loma Linda University School of Medicine Medical Education Pediatrics Case Western Reserve University/MHMC Internship/residency Pediatrics