The Team


Dr. Mark J. Castle, DDS

Dr. Castle practices dentistry in the Flagstaff and Northern Arizona area. He has participated in specialized training and education for sleep apnea. He recently completed rotations at Yavapai County Health Centers and North Country. Dr. Castle owned and practiced at Castle Dental Group, P.C. in Glendale, Arizona from 1984 thru 2000. He also provided dental and surgery services at a denture practice in Prescott Valley from 2000-2005.

Eileen McQuade, RDH BS EF and Program Director

Eileen has over 25 years of experience as a dental assistant and hygenist. In addition she has spend many years as a teacher and a speaker in dental education. 

  Dr. Castle  

EMAIL OR CALL (928) 226-7654

Oral appliance therapy is covered
by most medical insurances and Medicare

Serving sleep disorder patients from Flagstaff, Sedona, Cottonwood, Verde Valley, Williams, Winslow and all of Northern Arizona. Copyright © Aspen Sleep Center