Mark Colligan, MD

Dr. Mark Colligan is a cardiovascular disease specialist who earned his medical degree from Indiana University School of Medicine in Indianapolis. He completed his residency training in internal medicine at San Antonio Uniformed Services Health Education Consortium, followed by specialized fellowship training in cardiovascular diseases at the same institution. With 29 years of experience treating heart and vascular conditions, Dr. Colligan is board-certified in internal medicine by the American Board of Internal Medicine. He provides care to patients in English.

Dr. Colligan practices at Baptist Heart & Vascular locations throughout San Antonio and Schertz and maintains 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 expertise includes treating high cholesterol in children and teenagers, managing elevated blood …lipid levels, and controlling high blood pressure. He performs diagnostic heart tests such as electrocardiograms, specialized heart ultrasounds with contrast, and standard echocardiograms to evaluate heart function. Patients rate Dr. Colligan 4.4 out of 5 stars on average.