You can now find the expert care of St. Joseph Hospital Cardiologists at St. Joseph Heritage Medical Group (SJHMG). With a breadth of experience spanning the areas of cardiovascular disease, women's heart disease and coronary heart disease, the Cardiology Department of SJHMG provides the expertise to treat the most severe conditions as well as provide ongoing preventive care.

Meet our cardiology experts (l to r): Brian Kim, MD; Donald Mahon, MD; Warren Johnston, MD; Thomas C. Kim, MD; and Michael Chan, MD.

Affiliated with St. Joseph Hospital, the physicians of the Department of Cardiology at SJHMG are at the top of their fied. Warren Johnston, MD, serves as co-director of the Women's Heart Center and Dr. Thomas Kim is the medical director of non-invasive cardiology at St. Joseph Hospital. They have also been recognized as 2010 Physicians of Excellence by the Orange County Medical Association.

Click here to meet our team of cardiology experts.

In 2007, 2008 and 2009, the Society of Thoracic Surgeons rated St. Joseph Hospital in the nation's top 15 percent for Adult Cardiac Surgery. This top-tier, three-star rating reflects outstanding outcomes in key areas such as complication and mortality rates, and adherence to evidence-based care throughout the patient's stay. In addition, the Women's Heart Center has received recognition as a center of excellence.

The SJHMG Department of Cardiology is available to St. Joseph Heritage Medical Group, St. Joseph Hospital Affiliated Physicians, HMO, PPO and Medicare patients.

Department of Cardiology at SJHMG Speciality areas include:

 To make an appointment or for more information, call (714) 543-5555.