Practice Overview

We at Valley Heart Associates are committed to providing each patient with an exceptional level of health services. Our dedicated physicians and staff work together as a team to provide high quality, comprehensive cardiac care. And we take pride in giving personalized attention based on individual patients’ needs. One of our primary goals is preventive cardiology; to prevent or mitigate known risk factors for heart disease, such as diabetes, smoking, obesity, high cholesterol, and high blood pressure. We emphasize outstanding clinical care, humanism, compassion for patients and their families, and clarity of communication.

Doctors & Staff

  • Daniel Klee, MD, FACC
  • Jon Stevenson, MD, FACC
  • Ghassan Dalloul, MD, FACC
  • Lisa Sanders, ACNP-BC
  • Mia Chorney, NP-BC


  • Cardiology Consultation
  • EKG
  • Holter Monitoring
  • Event Monitoring
  • Cardioversion
  • Exercise Treadmill Testing
  • Nuclear Stress Testing
  • MUGA Scans
  • CT Angiography and Calcium Scoring
  • Coronary Angiography
  • Coronary Interventions (Angioplasty and Stent Implantation)
  • Ankle-Brachial Index Testing (ABI)
  • Peripheral Interventions
  • PFO Closure
  • Pacemaker Implantation and Management
  • Pacemaker Monitoring

Location & Contact

2075 West Pecos Rd. Suite 1
Chandler, AZ 85224