Biopsy results take approximately one week to process after the date of service. Your physician or a healthcare provider will call you with the results. If you have not received a phone call within a week, please call the appropriate office line, (Chevy Chase: 240-482-2555; Greenbelt: 301-345-7375) and press option #5 for biopsy results. Clearly state your name, phone number, and the date the biopsy was taken. Someone will get back to you within 24 hours.