Dr. Greiner is a 1976 graduate of Cal State Fullerton where he received a bachelor’s degree in Biology. In 1979 he graduated from the University of the Pacific School of Dentistry. While practicing dentistry in Boston, Massachusetts, he earned a specialty degree in Endodontics as well as a Masters Degree from Boston University. In 1981, he returned to Anaheim and established his own practice specializing in Endodontics. In 1999, Dr. Greiner spent the year researching local anesthetics at the National Institute of Health in Washington DC and in 2010 he became trained for Implant placement after a year-long course at Loma Linda University.
Dr. Greiner lives in Southern California and enjoys spending time with his wife and four children.