Dr. John Grehan, Heart Surgeon

Saint Paul, MN, Unregistered surgeon [What's this?]

Patient Recommendations (1)

"Dr. Grehan and his staff were amazing. All my questions were answered and I was put at ease for this surgery. I would highly recommend anyone who has to have heart surgery to have this great surgeon and his staff to be your choice. I sincerely thank you Dr. Grehan and your wonderful nurses for making this scary surgery so much easier to go thru."

Posted by Karen Meyers

Valve Specialist

Dr. Alfredo Trento

Cedars-Sinai Medical Center
Los Angeles, CA

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