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Meet Dedicated Doctors and Medical Staff at Koala Center for Sleep Disorders Springfield, IL. Call (217) 481-8094.

Rajan Dhamrait, DDS, PC

Rajan Dhamrait, DDS, PC

Dr. Raj Dhamrait has been providing quality, compassionate dental care to the families of Springfield, IL for over 22 years. Born and raised in Ottawa, IL, Dr. Raj graduated from the University of Iowa where he received his undergraduate degree in Biomedical Engineering in 1985 and then completed his Doctor of Dental Surgery degree in 1989.

Understanding that there is a serious need for sleep apnea and oral facial pain treatment in his community, Dr. Raj opened the Koala Center for Sleep Disorders. He is excited to offer non-surgical, non-pharmaceutical alternatives to patients in need and looks forward to educating the public about oral appliance therapy.

Dr. Raj, his wife, Karen and their children are proud to be an integral part of the Springfield community. In their spare time, the Dhamraits enjoy biking, martial arts and working on projects together.

Memberships & Affiliations

  • American Dental Association
  • Illinois State Dental Society
  • American Academy of Dental Sleep Medicine
  • Illinois Sleep Society

Dr. Rajan Dhamrait is a licensed general dentist.

Rod Willey, DDS, D.ACSDD, D.ASBA

Rod Willey, DDS, D.ACSDD, D.ASBA

Dr. Willey is a Diplomate with the Academy of Clinical Sleep Disorders Disciplines, a Diplomate of the American Sleep and Breathing Academy and serves on the Board of Directors for the Dental Division of the American Sleep and Breathing Academy. He has dedicated his practice to treating sleep disordered breathing, snoring, obstructive sleep apnea, and oral facial pain (TMD). His career path has taken him from general dentistry to the study of functional orthodontics at the United States Dental Institute, to Neuromuscular Occlusion from the prestigious Las Vegas Institute for Advanced Dental Studies, to treatment of Obstructive sleep Apnea with Oral Appliance Therapy. All of these areas deal significantly with the neuromuscular positioning of the lower jaw and have proven to be a natural progression in his post graduate studies. He is the founder and developer of the Koala Center for Sleep Disorders and follows strict medical and dental guidelines for treatment and medical insurance reimbursements for patients. Dr. Willey is a national speaker for conventions and workshops with colleagues and students. Other professional memberships include the American Academy of Dental Sleep Medicine and Academy of Craniofacial Pain.

Memberships & Affiliations

  • Diplomate and Board Member, American Sleep and Breathing Academy
  • Diplomate, Academy of Clinical Sleep Disorders Disciplines
  • Member, American Academy of Sleep Medicine
  • Member, American Academy of Dental Sleep Medicine
  • Lifetime Member of the United States Dental Institute
  • Member, American Dental Association
  • Member, Peoria District Dental Society
  • Member, Illinois State Dental Society

Dr. Rod Willey is a licensed general dentist.

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