Home Departments Health & Human Services Programs And Services Developmental Disability Services Location & Office Hours Location & Office Hours Location & Office HoursDevelopmental Disability Services140 S. Holly StreetMedford, Oregon 97501Phone: (541) 774-8205Fax: (541) 774-7978Business Hours:9:00 – 4:00 p.m. weekdays (Closed from 12:00 – 1:00 for the lunch hour)Rick HammelEmail: HammelRF@jacksoncountyor.gov