Gresham-Troutdale Family Medical Center Gresham-Troutdale Family Medical Center 1700 SW 257th Ave. Troutdale, Oregon 97060 For Appointments call 503-669-6800 Hours 8 a.m. to 5 p.m., Monday-Thursday 8 a.m. to 4 p.m., Friday Specialty Family Practice Physicians Emily C. Bier, MD J. Thomas Hoggard, MD Gregory M. Knopf, MD Karl Magsarili, MD Anne M. Sutherland, MD View Larger Map Health Plans Accepted Most major health plans are accepted. Please call to verify if a particular insurance plan is accepted.