About Us
Harris Internal Medicine, the practice of Thomas D. Harris, M.D., is committed to being a leader in quality patient care by delivering exceptional service and personalized attention. Established in Central Florida in 1993, Dr. Harris brings decades of skill and experience in the field of internal medicine to every patient encounter. Our office is dedicated to preventive healthcare and treats every patient with respect, professionalism, and compassion.
Our knowledgeable and friendly staff is at the heart of our practice, emphasizing outstanding customer service and creating a warm, family-like environment where patients feel welcomed and cared for. We are continually striving for excellence by embracing the latest medical technologies and best practices to enhance the care we provide.

Thomas Harris, MD
A board-certified physician, Dr. Harris has been practicing Internal Medicine for twenty-one years. He received his undergraduate Bachelor of Science degree in Biophysical Chemistry at Rutgers University and then earned his Medical Degree from the University of Medicine and Dentistry of New Jersey, New Jersey Medical School.
From 1988 to 1991, Dr. Harris served his internship and residency in Internal Medicine at University Hospital, Newark, New Jersey. Moving to Orlando, Florida in 1991,he worked at Florida Hospital as an Emergency Physician until establishing Harris internal Medicine in 1993.
Initially ceritified in 1992, Dr. Harris was recertified by the American Board of Internal Medicine in 2002 and most recently again in 2012. He is also a member of the American College of Physicians.

Olivia Dias-Quinones, NP