First-Call Medical is an Independent Diagnostic Testing Facility located in Billerica, MA. First-Call Medical offers the finest diagnostic equipment to assist physicians in the assessment and treatment of the cardiac patient. All diagnostic services are offered nationwide.

 NEW!!! Mobile Cardiac Outpatient Telemetry Service is now available. See this link below for more information.

Mobile Cardiac Outpatient Telemetry!

*Overnight shipment of equipment
*No capital investment for equipment
*Immediate report turnaround time
*On-line test results and reports
*24-hour cardiac technician phone support
*Reliable service is always delivered to you and your patients in a timely and cost-effective manner