About Us
Gini Renfrow, APRN-CNP
Gini A. Renfrow, APRN-CNP, is an experienced Adult-Gerontology Acute Care Nurse Practitioner and the Chief Executive Officer and Lead Advanced Practice Provider at Concierge Cardiology. She specializes in cardiology and cardiovascular critical care, bringing over a decade of cardiology experience to her patients. Gini earned her Master of Science in Nursing from the University of South Alabama in 2014, with a cardiovascular subspecialty. She has served at the Oklahoma Heart Institute since 2015 and was a Visiting Assistant Clinical Professor at the University of Tulsa’s Oxley College of Health Sciences from 2022 to 2024. Gini began her nursing career in cardiovascular intensive care units within the Hillcrest Healthcare System. She holds a Bachelor of Science in Nursing from the University of Oklahoma Health Sciences Center, where she also earned a certificate in Palliative Care and contributed to published evidence-based practice research. Her professional affiliations include the American College of Cardiology, the Society of Critical Care Medicine, Sigma Theta Tau, and the Extracorporeal Life Support Organization.
Frank Gaffney, MD
Frank J. Gaffney, MD, FACC, is a board-certified cardiologist with over two decades of clinical and leadership experience in cardiovascular medicine. He earned his Doctor of Medicine from New York Medical College and completed his residency in Internal Medicine at Brooke Army Medical Center, followed by a Cardiology Fellowship at Scott & White Memorial Hospital. Dr. Gaffney is the Chief Medical Officer at Concierge Cardiology and currently serves as the Director of the Cardiology Department at Bailey Medical Center while practicing at the Oklahoma Heart Institute. He has held multiple leadership roles, including President of the American Heart Association’s Tulsa Chapter and Director of Mid-Level Providers at the Oklahoma Heart Institute. He is board certified in Cardiovascular Disease, Internal Medicine, and Nuclear Cardiology, and has held academic appointments, including Associate Professor of Medicine at Texas A&M University Health.