Weimar Medical Group. Located in Auburn: 13300 New Airport Road. Suite 100. Auburn, CA 95602. Dr. Raja Tooma. I am Dr. Raja Tooma, a Board-certified family medicine physician, with a special interest in dermatology and adult medicine. I am excited about moving to Auburn to start my practice as part of Weimar Medical Group.Patients‧About Dr. Raja Tooma‧Blog‧Contact‧Privacy Practices.