Physician Assistant Michael Duffy brings extensive primary-care experience and a specialty for treating wounds to Penn Valley clinic Physician Assistant Michael Duffy has helped develop a new and much-in-demand career in health care, mastered a hard-to-find specialty – and found his way back to Nevada County. “Nobody even knew if this PA thing was going…

Dr. Tetsuya Shirasuka, D.D.S., has 30-years of experience as a dentist, providing patients of all ages with dental care in a variety of practice settings.