W. James Werner, MD in Manassas, Virginia, is a complete family medical practice offering a wide spectrum of services for children, teens, adults, and seniors. We understand how limited or impaired physical function can impact your quality of life. Our staff delivers individualized care in one-on-one sessions to help patients understand and receive proper information on your medical conditions and treatment. Our mission is to provide comprehensive, high-quality, compassionate care to our patients with an emphasis on promoting healthy behaviors and developing long-term relationships with our patients. We strive to provide these services in a competent, professional manner, treating our patients as we would want our own family members treated with dignity and respect.