PersonalMDs can facilitate a PCR test for its members at the Mass General Brigham facilities (formerly known as Partners Healthcare). Many local urgent care centers offer testing as well. Take a look at this interactive map detailing all the available COVID-19 testing sites in Massachusetts:
Some of the Mass General Brigham urgent care clinics provide PCR testing and allow one to book an appointment online. The turnaround time for test results is approximately 1-2 days. Please see the following link:
Keep in mind that testing occasionally may produce a false negative result, and it may take up to 14 days after exposure for one to develop COVID-19 symptoms (and a positive test). Those who are asymptomatic may be responsible for the cost of the COVID-19 test which is approximately $165.