Dr. Daniel Joseph Preston, MD

Dr. Daniel Preston is an internal medicine physician who brings 45 years of clinical experience to his practice. He earned his medical degree from Universidad Autonoma De Guadalajara Facultad De Medicina and completed his residency training at St. Barnabas Medical Center. Dr. Preston is fluent in both English and Spanish, allowing him to serve diverse patient populations.

Dr. Preston practices at multiple locations throughout New Jersey, including Summit, Morristown, Westfield, and Clark. He is affiliated with Overlook Medical Center and Morristown Medical Center. His clinical expertise focuses on managing cholesterol disorders, including high cholesterol in children and teenagers, as well as familial lipid conditions. Dr. Preston also incorporates physical therapy and strength training approaches into patient care and performs routine blood work such as complete blood counts. Patients have given him an average rating of 4.8 out of 5 stars.