Kent Dental Office Black Diamond Office Location | Kent Office Location | Appointment Request | Post-Appointment Survey | Refer a Friend Yancy Sipes, DDS Richard C. Hagemeier, DDS Black Diamond Dentistry Address: 25052 104th Ave SE Suite E. Kent, WA 98030 Phone: (253) 852-8787 Email: Office Hours: Tuesday: 7:00am to 6:00pm Wednesday: 9:00am to 5:00pm Thursday: 7:00am to 6:00pm Friday: 7:00am to 2:00pm View Larger Map