Dr. Ronald Jeffrey Barr, MD

Dr. Ronald Barr is a dermatologist and dermatopathologist with expertise in pathology, bringing more than five decades of medical experience to his practice. He earned his medical degree from Johns Hopkins University School of Medicine, one of the nation's most prestigious medical institutions. Dr. Barr specializes in dermatology with advanced training in dermatopathology, allowing him to diagnose skin conditions through microscopic examination of tissue samples. His extensive background also encompasses general pathology work. He provides care in English for his patients.

Dr. Barr practices in San Clemente, California, and maintains an affiliation with Providence Mission Hospital. His clinical focus includes treating various forms of breast cancer, including metastatic and recurrent cases, as well as Paget disease of the breast. He performs specialized diagnostic procedures such as pathology tests and surgical pathology examinations. Dr. Barr also conducts brain tumor biopsies, …providing critical diagnostic information for complex cases.