Mark Colligan, MD

Dr. Mark Colligan specializes in cardiovascular disease, bringing nearly three decades of experience to heart and vascular care. He earned his medical degree from Indiana University School of Medicine in Indianapolis and completed his residency training in internal medicine at San Antonio Uniformed Services Health Education Consortium. Dr. Colligan furthered his expertise through a cardiovascular diseases fellowship at the same institution. He maintains board certification in internal medicine through the American Board of Internal Medicine and speaks English.

Dr. Colligan practices at Baptist Heart & Vascular with locations in San Antonio and Schertz, Texas, and holds affiliations with Baptist Medical Center, North Central Baptist Hospital, Northeast Baptist Hospital, Mission Trail Baptist Hospital, Baptist Neighborhood Hospital Thousand Oaks, and Baptist Emergency Hospital Overlook. His clinical focus includes treating high blood pressure and hypertensive emergencies. He performs …diagnostic heart tests such as echocardiograms and electrocardiograms to evaluate heart function and rhythm. Patients rate Dr. Colligan 4.5 out of 5 stars on average.