Dr. Hong Jun “Francisco” Yun, M.D.
Practice: Heart Care Centers of Illinois
Specialty: Cardiology
Office locations: Mokena, IL
Dr. Hong Jun “Francisco” Yun, M.D., earned his medical degree at the Chicago Medical School, and completed his residency at Thomas Jefferson University Hospital. He then finished his fellowships in cardiovascular disease and interventional cardiology at Beaumont Hospital. A triple board-certified interventionalist and former Chief Fellow, Dr. Yun specializes in high-risk PCI, coronary atherectomy, and percutaneous heart pump insertions. Joining HCCI, he holds additional board certifications across four distinct non-invasive imaging modalities.
Dr. Hong Jun “Francisco” Yun, M.D., earned his medical degree at the Chicago Medical School, and completed his residency at Thomas Jefferson University Hospital. He then finished his fellowships in cardiovascular disease and interventional cardiology at Beaumont Hospital. A triple board-certified interventionalist and former Chief Fellow, Dr. Yun specializes in high-risk PCI, coronary atherectomy, and percutaneous heart pump insertions. Joining HCCI, he holds additional board certifications across four distinct non-invasive imaging modalities.
HCCI: Mokena Clinic
Suite 102
Mokena, IL 60448
Dr. Hong Jun “Francisco” Yun, M.D., is Interventional Cardiologist with Heart Care Centers of Illinois. He is triple-board certified in Interventional Cardiology, Cardiovascular Disease and Internal Medicine.
He is skilled in performing cardiac catheterizations from both the radial (wrist) and femoral approach (groin). He has extensive experience with all aspects of Interventional Cardiology including balloon angioplasty with stenting, high-risk PCI, coronary atherectomy, and insertion of percutaneous heart pumps (i.e. intra-aortic balloon pumps and impella).
In addition, he is experienced in general cardiology and is board-certified in four non-invasive imaging modalities: 1) Echocardiography including performing trans-esophageal echos, 2) Nuclear stress tests, 3) Cardiac CT, and 4) Vascular ultrasounds.
He graduated from Northwestern University and received his medical degree from the Chicago Medical School. He completed his Internal Medicine training at Thomas Jefferson University Hospital in Philadelphia, PA. He completed both his Cardiovascular Disease and Interventional Cardiology training at Beaumont Hospital in Royal Oak, MI where he served as Chief Interventional Cardiology Fellow.
He is a native to the Southwest suburbs of Chicago and is glad to be back to serve the community he grew up in. He is married and has two children. He enjoys playing tennis, golf, and traveling with his family.

Listens to your concerns and answers all questions without feeling rushed.
Very thorough and understanding. Also he was very easy to talk to and took our concerns and shared his thoughts and put my mother in law at ease
Dr. Yun is professional, knowledgeable and puts you at ease with his pleasant demeanor. My heart feels safe in his capable hands.
Very friendly and professional.
Always very professional and concerned for my health. He takes time to talk and listen.
He''s so friendly, helpful, and really cares about his patients. I always feel like I'm in good hands regarding my treatment.
New to Dr Yun. Was a patient of Dr Erickson. Very happy with transitions so far. Good listener. Does not rush you .
First visit swing D Yuma Very personal abl and puts patient ease seems very caring looking forward to working with him pertaining to my health
Excellent doctor explains everything Thank you
He's great.