About Dr. Mario Castillo-Sang,
Heart Valve Surgeon

Hello! My name is Dr. Mario Castillo-Sang and I am a cardiac surgeon having graduated from Escuela de Medicina Ignacio A Santos in 2004. St. Elizabeth Healthcare performs approximately 600 heart surgeries each year. All St. Elizabeth Healthcare cardiac surgeons complete between 125-150 cardiac cases per year. Read more...

19 Patient Reviews for
Dr. Castillo-Sang

"Dr. Castillo-Sang was very thorough in explaining the procedure before and after surgery. He was very patient with us throughout the process. Surgery was minimally invasive and recovery has been relatively easy."

-- Beth Walsman, Aortic Valve, Valve Replacement, 02/04/2025

"I am so very grateful to Dr. Castillo-Sang for the wonderful "second chance at life" he has given me!

The level of care has been amazing along with the excellent results of the surgery. His heartfelt compassion was obvious with everything he did! Thank you so very much, Dr. Castillo-Sang!"

-- Jean Franklin, Mitral Valve, Tricuspid Valve, Valve Repair, Valve Replacement, 01/31/2025

> See 17 more patient testimonials

My Specialities &
Clinical Interests

My heart surgery specialties include:

  • Minimally invasive mitral valve surgery
  • Atrial fibrillation (Maze procedure)
  • Transcatheter valve therapy including TAVR

In addition, I have research and clinical interests specific to:

  • Ventricular contractility in Barlow's disease and in bileaflet prolapse
  • Coronary revascularization
  • Mitral valve imaging

Education, Training & Certificates

Dr. Mario Castillo-Sang, heart surgeon, graduated from Escuela de Medicina Ignacio A Santos in 2004.

After medical school, Dr. Castillo-Sang completed a general surgery residency at University of Toledo College of Medicine in 2010. Next, he completed a cardiothoracic surgery fellowship at Washington University Barnes Jewish Hospital in 2012.

Dr. Castillo-Sang is board certified by the American Board of Thoracic Surgery.

Dr. Castillo-Sang has earned a spot on Cincinnati Magazine's Top Doctors.

Schedule Appointment
with Dr. Mario Castillo-Sang, MD

To schedule an appointment with Dr. Castillo-Sang, you can:

The office of Dr. Castillo-Sang is located at 711 Medical Village Drive, Suite 310, Edgewood, KY 41017. To get driving directions to this office, please click the map below.



> Click for driving directions to Dr. Castillo-Sang’s office.

News & Online References Featuring Dr. Mario Castillo-Sang

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Page last updated: February 13, 2025