Voted No. 1 in cardiology groups by Ranking Arizona magazine’s Best in AZ Businesses readers poll, Phoenix Heart is the leading cardiology group in the greater Phoenix area. Phoenix Heart has seven offices, conveniently located in Glendale, Goodyear, Scottsdale, Cottonwood, Black Canyon City, Laveen Village and Anthem. Since its inception in 1981, Phoenix Heart has set the gold standard for cardiological care in Arizona and beyond.