Hours of Operation: Monday - Friday: 8:00 a.m. - 4:30 p.m. | 24/7 Access to Provider-On-Call available for Patients
Naples Heart Rhythm Specialists, P. A.
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Naples Heart Rhythm Specialists, P. A.

Phone Icon (239) 263-0849

Staff Bios


Staff Bios


Louis A. Wasserman, M.D., FACP, FACC

A board certified, non-invasive cardiologist for 37 years, Dr. Louis Wasserman relocated to Naples after a long and successful career in Syracuse, New York. He attended New York University as an undergraduate and graduated from Georgetown University Medical School. Dr. Wasserman went on to his Internal Medicine training at the Brown University Medical School internal medicine program and completed it at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania. He then accepted a cardiology fellowship at The Likoff Cardiovascular Institute-Hahnemann Hospital in Philadelphia, Pennsylvania.

Dr. Wasserman was a cardiologist in the same private practice, non-invasive cardiology group in Syracuse for over 35 years. Upon arrival to Naples, he briefly joined the NCH Physicians Group/Naples Heart Institute prior to his return to private practice as a non-invasive consultative cardiologist with Naples Heart Rhythm Specialists, P.A.

Louis A. Wasserman, M.D., FACP, FACC

Dr. Wasserman is a Fellow of the American College of Physicians as well as a Fellow of the American College of Cardiology. Board certified in Internal Medicine, Cardiovascular Disease, Nuclear Cardiology, and Echocardiography, Dr. Wasserman is also RPVI credentialed (Registered Physician in Vascular Interpretation). He is an authorized user of radiopharmaceuticals and has all of the required credentials to serve as a Radiation Safety Officer for a functioning nuclear cardiology laboratory.

During his professional career, Dr. Wasserman served as Chief of the Division of Cardiology at Community General Hospital in Syracuse, New York, for 24 years. He was President of the Medical Staff of Community General Hospital for 2 years, and he served on the Board of Directors of Community General Hospital, the Upstate New York American Heart Association, and the Syracuse Jewish Community Center. Dr. Wasserman has been married for 43 years. He and his wife have four sons and eight grandchildren.


Dr. Daniel Masvidal

Dr. Daniel Masvidal was raised in Miami, FL, where his parents instilled in him a strong work ethic and balanced morals. He attended Belen Jesuit High School and earned a BA at Loyola University, New Orleans.

He graduated in 2009 from Ponce School of Medicine in Puerto Rico. He subsequently completed his Internal Medicine, Cardiology, and Clinical Cardiac Electrophysiology training at the Ochsner Medical Center in New Orleans, LA. Dr. Masvidal specializes in complex ablations and device implantation. He is fluent in English and Spanish and, when he is not working, he enjoys spending time with his wife, Marianne, their son, Franco, and their dog, Nola.

Dr. Daniel Masvidal

Ryan Houk, M.D.

Ryan Houk, M.D.

Ryan Houk, M.D. obtained his undergraduate degree from the University of California, Berkeley and subsequently completed a master's degree from Columbia University. He earned his medical degree from Johns Hopkins University in 2011. Dr. Houk completed his internship and residency training in internal medicine at Yale New Haven Hospital in 2014.

He pursued specialty training in cardiology at the Ochsner Clinic Foundation in New Orleans, Louisiana, and served as chief fellow. Dr. Houk has additional interests in echocardiography as well as nuclear imaging.