Tiffany Sizemore-Ruiz, D.O., F.A.C.C.



Tel: 954.712.3070


Bachelor of Science Degree – Magna Cum Laude Florida Atlantic University
College of Osteopathic Medicine – Nova Southeastern University


  • Cardiology
  • Internal medicine
  • Echocardiography
  • Nuclear cardiology


Dr. Tiffany Sizemore-Ruiz serves as the medical advisor for David Di Pietro and Associates’ medical malpractice defense cases. She graduated Magna Cum Laude with a Bachelor of Science degree in Psychobiology from Florida Atlantic University at 19 years old. She then went on to become the youngest graduate from the College of Osteopathic Medicine at Nova Southeastern University in Ft. Lauderdale, FL.

Dr. Sizemore-Ruiz is quadruple board-certified in cardiology, internal medicine, echocardiography and nuclear cardiology. Dr. Sizemore-Ruiz has been quoted in published books on nutrition and weight loss, as well as quoted on,, Yahoo News and spoken publicly about women’s health for various events. Dr. Sizemore-Ruiz also frequently appears on national news outlets as a medical expert and commentator.


Dr. Sizemore-Ruiz was the Chair of the 2013 Circle of Red Committee for the Go Red for Women Campaign of the American Heart Association and currently serves as the Immediate Past President of the Board of Directors for the American Heart and American Stroke Association of Fort Lauderdale and Miami. She was honored with being selected as one of Gold Coast’s magazines Top 40 People Under 40 for 2013, 1 of 100 Outstanding Women in Broward County and recognized as a Distinguished Physician for Broward Health for her dedication to patient care. She is a member of the Florida Osteopathic Medical Association, the American Heart Association, the Americal College of Cardiology and the American Society of Nuclear Cardiology.

In addition to her private practice, Dr. Sizemore-Ruiz is an assistant clinical professor at Nova Southeastern University College of Osteopathic Medicine and attending physician for the Broward Health Medical Center internal medicine residency program. She serves as a member on the physician and patient satisfaction committee at Broward Health Medical Center, where she helps to implement new policies and procedures which aid in improving patient outcomes and satisfaction.


  • Bachelor of Science Degree – Magna Cum Laude Florida Atlantic University
  • Doctor of Osteopathic Medicine – Nova Southeastern University


  • Internal Medicine
  • Cardiology
  • Nuclear Cardiology
  • Echocardiography