Medical Group - Sandy Medical Group - Sandy 17055 SE Ruben Lane Sandy, Oregon 97055 Fax: 503-668-5246 For Appointments call 503-668-8002 Hours 8 a.m. to 5 p.m., Monday-Friday Specialty Family Medicine Physicians Randall E. Blome, MD Michael J. Cha, MD View Larger Map Health Plans Accepted Most major health plans are accepted. Please call to verify if a particular insurance plan is accepted.