Welcome to Bridgewater Primary Care & Cardiology Located in West Bridgewater MA. At Bridgewater Primary Care & Cardiology, our board-certified internist and cardiologist John K. Terzian, MD, FACC with his nurse practitioners and medical staff offer a wide variety of medical services. These include primary care, cardiac testing, women's health ...About Us‧Providers‧Services‧Cardiac Testing‧New Patient Information‧Patient Portal.