Charles Stringham, MD 130 East Haskell Street, Suite B Winnemucca, Nevada 89445 Phone: 775-623-0550 Fax: 775-623-5989 Emergencies: 775-623-5222 Email: cs@charlesstringham.com. Directions: Our office is located on the Humboldt General Hospital campus at the corner of Haskell and Mizpah Streets. It is a single story brick medical building. If you are coming from the downtown area, drive south on Bridge Street, turn left on Haskell, and our office is on the right at Mizpah Street. If you are coming from Grass Valley, Drive east on Grass Valley Road, which becomes Haskell Street, and our office is on the right at Mizpah Street. Download a Map.