By Mian A. Jan, M.D. Mian A. Jan As a board certified cardiologist and a practicing physician for over 25 years in Chester County with a diverse group of patients from a variety of different backgrounds, I believe no two patients are the same. I strive to give the very best care depending on the patient’s specific case. I apply a one-on-one relationship model to the treatment and care of all my patients. It...