Dr. Joseph John Mattern, MD

Dr. Joseph Mattern is a family medicine physician who earned his medical degree from Drexel University College of Medicine. He completed his residency training at the Wisconsin School of Medicine and Public Health, where he developed expertise in comprehensive primary care. With 26 years of experience, Dr. Mattern provides medical care across all age groups, from pediatrics through geriatrics. He is fluent in both English and Spanish.

Dr. Mattern practices at Jefferson Healthcare Medical Center and maintains offices in Port Townsend, Washington. His clinical expertise includes managing bipolar disorder in both adults and children, as well as treating chronic bronchitis. He also performs diagnostic procedures such as pelvic ultrasounds. Patients consistently rate Dr. Mattern highly for his care, giving him an average rating of 5.0.