Dr. Jonathan William Horstmann, MD

Dr. Jonathan Horstmann brings extensive experience to family medicine, having practiced for nearly five decades. He earned his medical degree from Washington University in St. Louis School of Medicine and completed his residency training at Scripps Mercy Hospital. His long-standing commitment to comprehensive family care has made him a trusted physician in the San Bernardino community. Dr. Horstmann is fluent in both English and Spanish, allowing him to serve diverse patient populations.

Dr. Horstmann is affiliated with Redlands Community Hospital and practices at multiple locations throughout San Bernardino and Redlands, California. His practice spans several healthcare facilities, including the Lestonnac Free Clinic, Community Hospital of San Bernardino, and Saint Bernardine Medical Center. Patients consistently rate his care highly, with an average rating of 4.6 out of 5 stars. His decades of experience enable him to provide comprehensive family medical care for patients of all ages.