Dr. McNicholas was born and raised in Southern California. He attended college at the University of Redlands and dental school at the University of Southern California. He completed a General Practice Residency at Loma Linda University and returned to Loma Linda to earn his Master's Degree in Endodontics. Dr. McNicholas is a diplomate of the American Board of Endodontists and has served as president of the Southern California Academy of Endodontics as well as president of the California State Association of Endodontists. He has also served as chairman of the Professional Standards and Ethics Committee for the American Association of Endodontists and has been involved with teaching the post-graduate endodontic residents at Loma Linda University. Dr. McNicholas' hobbies include 4 wheel drive and off roading. He also enjoys exploring the country with his wife and kids in a motorhome.