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M.M. Ontiveros, M.D., FACC
Chad R. Christopherson, M.D., FACC, FSCAI
John H. Frierson, M.D., FACC
Jorge C. Magallon, M.D., FACC, FSCAI
Evan O. Mokwe, M.D., FACC
Juan Diego Martinez, M.D., FACC
Oscar Rivera, M.D.
Michael J. Wilson, M.D., FACP

Welcome & Thank you for Visiting!

RiverCity CardioVascular is a comprehensive independent cardiology practice specializing in the diagnosis and treatment of heart, cardiovascular, and peripheral vascular disease. Our Doctors are board certified cardiology physicians licensed in Texas to treat all aspects of cardiac related illnesses.

Our growing practice now has 5 convenient area San Antonio locations serving Downtown, Southeast San Antonio, Southwest San Antonio, Olmos Park, our newest office in Westover Hills, as well as our satellite offices in Floresville, Pleasanton, and Pearsall. We provide on-site diagnostic testing including Echocardiography, Vascular Ultrasound, Cardiac Rhythm Measuring and Nuclear Imaging in order to manage our patient’s health needs without the cost of additional clinic visits.

Currently we serve our patients at Downtown Baptist Hospital, Metropolitan Methodist Hospital, Southwest General Hospital, and Mission Trail Baptist Hospital.

Dr. Ontiveros is the Chief of Cardiology at Southwest General and Dr. Christopherson is the Chief of Cardiology at Baptist Medical Center.

Please browse our website for more information about our Doctors, Locations, and Services or call our friendly clinic staff to schedule your next appointment or consultation.