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Cardiologist Information

Frank Gaffney, M.D.

Dr. Gaffney is an interventional and noninvasive cardiologist with subspecialty expertise in transesophageal echocardiography, nuclear cardiology and coronary angiography. He is director of cardiology at Bailey Medical Center.


Cardiovascular Medicine - Scott & White Memorial Hospital in Temple, Texas


Internal Medicine - Brooke Army Medical Center in San Antonio, Texas


Medical degree - New York Medical College in Valhalla, New York

Bachelor of Arts degree - Hofstra University in Hempstead, New York

Board certified in Internal Medicine, Cardiovascular Disease and Nuclear Cardiology


Tyler Ellington, D.O.

Dr. Ellington practices general cardiology with an emphasis on echocardiography. He also performs diagnostic procedures including cardiac catheterization and coronary angiography. Dr. Ellington is a member of the American College of Cardiology and the American Medical Association.



Cardiovascular Disease - Texas A&M Health and Science Center College of Medicine-Scott & White Center, Temple, TX


Internal Medicine - University of Texas Health and Sciences Center, San Antonio, TX


Medical degree - Oklahoma State University Center for Health Sciences College of Osteopathic Medicine, Tulsa, OK

Bachelor of Science degree - Oklahoma State University, Stillwater, OK

Board certified in internal medicine
Board eligible in nuclear cardiology and cardiovascular disease


Katie Owens, PA-C

Katie works as a cardiology physician assistant at Oklahoma Heart Institute. She received her masters of science degree from the University of Oklahoma Health Sciences Center in Oklahoma City, Oklahoma after first receiving her bachelors of science degree from Northeastern State University in Broken Arrow, Oklahoma. Katie is certified in basic life support, advanced cardiac life support and pediatric advanced life support. She is a member of the American Academy of Physician Assistants and the Oklahoma Academy of Physician Assistants.


Ashley McKoy, PA-C

Ashley received her master’s degree from the University of Oklahoma-Tulsa as a physician assistant after completing a Bachelor of Science degree in zoology/biomedical sciences from University of Oklahoma. She began her career as an emergency department technician. Ashley maintains her certification with the National Commission of Certified Physician Assistants.