Our Physicians We are accepting new patients for in-person and virtual visits. Same day appointments are often available. We have 3 medical offices in Goodyear, Buckeye and Sun City to provide care closer to home. Dr. Ish Singla Interventional Cardiology General CardiologyBook Appointment Dr. John Adan Interventional Cardiology General CardiologyBook Appointment Diane Singh NP Interventional Cardiology General CardiologyBook Appointment