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 Janel R. Guyette, MD View Larger Map Health Plans Accepted Most major health plans are accepted. Please call to verify if a particular insurance plan is accepted.