Dr. Westerfield's practice, Cardiology Diagnostics, is part of BJC Medical Group of Missouri, a well-established, multi-specialty physician group. She is a member of the American College of Osteopathic Internists, American College of Cardiology, American College of Cardiology-Missouri Chapter, American Osteopathic Association and Missouri Association of Osteopathic Physicians and Surgeons. She has a special interest in the area of women and heart disease. Dr. Westerfield is consistently recognized in "The Best Doctors in America" list.