Dr. Donald Hermansen – Welcome to Our Practice Located just south of San Francisco, our dental practice consists of an experienced dentist and his caring team who have provided for the oral healthcare needs of their community for decades. You can expect a comfortable, welcoming, and bright environment during your visit. In addition, our team of fantastic individuals will help to ease any worries that our patients may experience. We pride ourselves in continually treating our patients as individuals and not just as another dental case.