Patient Portal; Menu back . Tri-City Cardiology - Fiesta. 1580 N Fiesta Blvd Ste 100, Gilbert, AZ, 85233. 480-835-6100. History. Tri-City Cardiology was established in 1979. Our practice consists of 22 board -certified physicians coming from some the top medical universities and fellowship programs in the country. Our expertise spans all ....