About Dr. Mark McGranahan, MD, FAAP

Welcome to the practice of Dr. Mark McGranahan, MD, FAAP, an experienced cardiologist serving Caseyville, Illinois. We are committed to providing compassionate, evidence-based cardiovascular care with a focus on prevention, early detection, and personalized treatment plans.

Medical Disclaimer: The information on this website is for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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Patient Reviews

Patient

★★★★★

Dr Mark McGranahan is the absolute best! The most compassionate, nice, caring and funny. My family loves him and trusts him. My grandchildren absolutely love to go see him. He's not just a great Doctor but he's also a great person.

Patient

★★★★★

We love Dr. Mark! He is kind, compassionate, and so friendly! My children love are him!! The nurse, Heather, is the absolute sweetest. She's helpful and always willing to help out. She's one of the best parts of the office! We love this office.

Patient

I took my daughter there 2 times and didn't even see her actual doctor nor would they listen to my concerns.. and kept telling me to do something with her to help with the problem and it was not working.. wouldn't try anything else to help her and told me to observe her. Would only recommend if your child has no health concerns.

Patient

★★★★★

Dr. McGrannahan has been with our children from day one! He's consistent and caring!!

Patient

I'm highly disappointed with the way this doctor refuses to listen to valid concerns, interrupts me and consistently forgets what he has said he will do. Office staff bill incorrectly and then refuse to correct it. Take your business elsewhere.

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