Hong Jun Yun, M.D.


Interventional Cardiology and Cardiology
  • Premier Suburban Medical Group
  • Silver Cross Health Connection

Call 708-478-4224

Accepting new patients.

Dr. Hong Jun ("Francisco") Yun is a board-certified interventional cardiologist. 

He graduated from the University of Toronto and received his medical degree from Chicago Medical School. He completed his internal medicine internship and residency at Boston University Medical Center, where he also served as Chief Medical Resident.

Dr. Yun went on to complete fellowships in both cardiovascular disease and interventional cardiology at the University of Michigan in Ann Arbor, Mich., and was elected chief interventional cardiology fellow. In addition to his clinical duties, he has been active in clinical research. He has authored numerous publications and book chapters, and presented in national cardiovascular conferences. He is a fellow of the American College of Cardiology.

Dr. Yun specializes in trans-radial cardiac catheterization (angiograms via the blood vessel in the wrist) and performs percutaneous interventions of complex cardiac disease using the newest technologies such as atherectomy, intravascular ultrasound and other modalities. He also has expert knowledge in structural heart interventions, including  minimally invasive transcatheter aortic valve replacement (TAVR).

Contact Information

  • Fax: 708-478-4033

Heart Care Centers of Illinois








Chicago Medical School at Rosalind Franklin University


Boston Medical Center


University of Michigan Hospitals

Board Certified

  • Cardiovascular Disease
  • Internal Medicine

Other Specialties

  • Cardiovascular Disease
  • Internal Medicine

Accepting Referrals

  • Cardiovascular Disease
  • Internal Medicine

Physicians on Silver Cross Hospital’s Medical Staff have expertise in their areas of practice to meet the needs of patients seeking their care. These physicians are independent practitioners on the Medical Staff and are not the agents or employees of Silver Cross Hospital. They treat patients based upon their independent medical judgment and they bill patients separately for their services.