Dr. Arnold M. Einhorn, M.D. is a board-certified cardiologist practicing for over 30 years in Orlando. He specializes in general cardiology consultative work, diagnostic imaging, and invasive cardiology. Dr. Einhorn earned his medical degree at St George's University School of Medicine and completed his residency at SUNY Downstate Medical Center. He then finished his fellowship at SUNY Downstate Medical Center.
Dr. Arnold M. Einhorn, M.D. is a board-certified cardiologist practicing for over 30 years in Orlando. He specializes in general cardiology consultative work, diagnostic imaging, and invasive cardiology. Dr. Einhorn earned his medical degree at St George's University School of Medicine and completed his residency at SUNY Downstate Medical Center. He then finished his fellowship at SUNY Downstate Medical Center.
Dr. Arnold M. Einhorn, M.D. is a board-certified cardiologist practicing for over 30 years in Orlando. He specializes in general cardiology consultative work, diagnostic imaging, and invasive cardiology. In addition to his teaching responsibilities, Dr. Einhorn is a researcher for the National Institute of Health. He serves as a teacher and mentor to medical students, residents, and fellows from various renowned medical institutions. His teaching titles include Clinical Associate Professor at Florida State University, Assistant Professor of Internal Medicine at The University of Central Florida, and Courtesy Professor of Internal Medicine at The University of Florida. Dr. Einhorn has held numerous leadership roles throughout his career, including many years as the Chairman of the Department of Cardiology at Orlando Regional Medical Center, President of the Orange County Medical Society, and has served as the Chief of Staff for Orlando Health.
Undergrad: Rensselaer Polytechnic Institute
Medical School: St George's University School of Medicine
Residency: SUNY Downstate Medical Center
Fellowship: SUNY Downstate Medical Center
Board Certifications:
- American Board of Internal Medicine, September of 1987
- American Board of Internal Medicine Cardiovascular Diseases, November of 1993 - -- Board Certified in Nuclear Medicine, April 2005
- Coronary CT

Always great!
Dr. Einhorn is very professional, friendly and knowledgable. This was my first appointment with him and I am very pleased.
Very caring and kind he goes above and beyond with how he treats his patients he never rushes to leave the room and always listens to all my concerns
Dr. Einhorn has been my primary Cardiologist for over 10-years. I am very pleased and thankful for his care and continued treatment. — Thank u Dr. Einhorn. — JR Ball’’’
Dr. Einhorn is the best. He always so caring and takes the time to discuss with you options in treatment plan.
Great involvement.
Great Doc,very thorough
Always considerate and concern with our questions. Takes time to listen.
Excellent and very professional
Outstanding doctor and office staff.