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Qualifications and Experience
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Mark Colligan is a reliable and skilled cardiologist serving the communities of San Antonio and Schertz, TX. Dr. Colligan attended Indiana University in Indianapolis, where he received his medical degree. He completed his residency in internal medicine and fellowship in cardiology at Wilford Hall Medical Center. He also holds a bachelor’s degree from Indiana University in Bloomington.
Dr. Colligan is board certified in cardiovascular disease by the American Board of Internal Medicine. He is a member of the American Heart Association, the American College of Cardiology, and the American Society of Echocardiography. Patients see Dr. Colligan for a variety of reasons, including cardiology consultations, cardiovascular screening visits, family history of heart issues, chest pain, and cardiomyopathy.
Dr. Colligan is committed to helping his patients enjoy a healthier lifestyle. He works with each one to discuss ways they can make better choices for their health.
Verified Patient Reviews
I wish he'd explain more about a procedure he is recommending. What's involved? What are the risks? What might they encounter and what are the options? What happens after the procedure?
Very professional. Listens well and gives good insight and information. Best doctor I've seen!
Great first visit! Staff was awesome too!
This was my initial office visit. My appointment was at ! p.m., and I arrived at 12:50. Although the support was very efficient, they were not at all friendly. I am used to being greeted with at least a smile. I was quite impressed with the very brief wait time prior to seeing the doctor. He was very professional, thorough and courteous. I was in at 1 p.m. and out by 2:15. The office was nice and clean and there is ample free parking, a huge plus for me.
Luckily I got a passing grade and don't need to check in with him for some time, but he was very personable and professional. I have been to a few other specialists that may have been smart cookies, but they didn't have the personality to go with it. Dr. Colligan hits all marks.
He was great!
Very professional yet not dismissive and rushed. Office staff were ALL very nice, friendly, and went out of their way to address my comfort and care!
Overall awesome experience. Highly recommend this doctor for anyone with cardiovascular issues. His bedside manner was remarkably courteous and compassionate . He was a great listener and I didn't feel rushed at all.
I really like the way he explains everything is a good Doctor I really recommend him
From the moment I walked in, I felt comfortable. The receptionists were very friendly, seem to like their jobs, and appear to all get along well. The nurse was highly efficient and friendly as well. Dr. Colligan was very easy to talk to. I didn't feel rushed, and he took his time answering my questions and also gave me his opinion. If you want a great cardiologist with a fantastic staff.........this is the place. I felt completely at home with this practice! Thank you everyone!!
Dr. Collegian was very professional and personable. Would highly recommend him.
Glad I found my new doctor...
Dr Colligan is such a great doctor. I've never had to wait more than 30 minutes to see him. He takes time to listen to you and makes you feel very comfortable with whatever you want to talk to him about. He is also an excellent doctor. I feel very confident in his ability and knowledge. I would highly recommend him to anyone. His staff is also great, very cheerful and willing to help you in any way they can.
He was nice and professional ! Very knowledgable and told me things I did not know ! I will continue to use him as my cardiologist !
Professional and pleasant experience
First time seeing this Dr. and it went well.
He really was an awesome Dr. and the office was efficient and professional. I was hoping for the best but i"ve had some bad experiences with on-line doc referrals. Great Dr. and practise!
First time I had met him. He seems like a reasonable doctor. Didn't want to do something unnecessary.