Our Team

ddi has assembled a world class team to serve you.  The front office staff is friendly and committed to help you with scheduling an appointment, insurance questions ,and what to expect at your appointment. The Dental X-ray Technologists are registered by the Radiological Health Branch of California and have over 25 years experience in what they do best, taking the best x-ray possible. Our Maxillofacial Radiologists are experts in reading and diagnosing dental imaging. You can learn a little bit about each of them here:

Dr. David Hatcher 

Dr. Hatcher received his D.D.S. degree from the University of Washington in 1973. Subsequently he completed two years of active duty in the U.S. Public Health Service and a one year general practice residency program at the University of Vermont Medical Center. Following three years as an instructor and one year as active director of the general practice residency program and the hospital dental clinic at the University of Washington, Dr. Hatcher entered the graduate program in radiology at the University of Toronto and was granted a specialty in Oral and Maxillofacial Radiology in 1982 and an M.Sc. in 1983. His thesis topic dealt with radiology of mandibular dysfunction.

Dr. Hatcher was an Associate Professor and Chairman of the Division of Radiology for five years at the University of Alberta, Canada. He was also Director of the Temporomandibular Joint Investigation Unit and Clinic while at the University of Alberta. He is a clinical professor at the University of California San Francisco, the University of California Los Angles, University of California Davis and the University of Pacific Dental Schools. He has published many articles and lectured extensively to medical and dental organizations in the United States and Canada. Presently Dr. Hatcher is in private practice at ddi.

Dr. Shikha Rathi

Dr. Rathi received her BDS degree from the D. Y. Patil University in Mumbai, India in 2004. Subsequent to that, she completed a year of General Dentistry Internship at the same university. In 2007, she enrolled in a preceptorship in the Oral and Maxillofacial Radiology Program at the University of Texas at San Antonio. She received a certification in Oral and Maxillofacial Radiology in 2010 and a M.S. degree in 2011 from UT Texas San Antonio. Dr. Rathi became a Diplomate of the American Board of Oral and Maxillofacial Radiology in 2011 and currently maintains her private practice at DDI in Roseville, California. She is a co-author on “Specialty Imaging: Dental Implants,” a textbook that attempts to bridge the gap between the implantologist and the radiologist.

Craig Dial

Craig (Dial) earned his license as a Dental Radiographic Technologist in 1981 through UC Berkeley and is currently part owner and chief technologist of ddi. He works closely with many doctors to continue to improve the standard of maxillofacial imaging available in our community and throughout the world. Craig has served several years as the president of the American Association of Dental Maxillofacial Radiographic Technicians (AADMRT), and several more as a member of the board. Craig is internationally known and respected for his imaging expertise, and is often consulted about his technical skills and knowledge about oral radiography.

Camille Mayorga

Camille (Mayorga) started with ddi upon its opening in 1995. She has been a Dental Radiographic Technologist at the ddi Sacramento office since earning her license through UC Berkeley in 1996. She ensures that ddi′s high standard of quality is upheld when performing all x-ray procedures. In Camille′s care, patients can feel comfortable and informed about their visit. In addition to her imaging expertise, Camille has also served many years as the editor of the quarterly newsletter for the American Association of Dental Maxillofacial Radiographic Technicians (AADMRT).

Cherie Berry

Cherie (Berry) earned her certification as a Dental Assistant in 1980 working in a large Orthodontic practice in Southern California. She earned her license as a Dental Radiographic Technologist in 1983 through Orange Coast College and the State of California. She was transferred to Colorado with Wilson Radiographic Centers in 1983 to be the Chief Technologist and Director of Operations for Facial & TMJ Radiographic Center. She is responsible for building and growing a highly reputable Dental Imaging Center. She joined
the ddi Team in 2007, and has been a proven leader in providing cutting edge
technologies to Colorado. She continues to earn the trust of her patients and
the Dental Community with her cheerful personality, warm smile, and
expertise in implementing the highest standards of quality dental imaging

Simon Berry

Simon Berry is currently the front office support for the ddi Littleton imaging center. He handles, patient scheduling, insurance billing, computer data entry, and shipping and supply management. His outgoing friendly style makes everyone feel welcome as they come through the door.

Donna Eggers

Donna (Eggers) received her Dental Radiographic Technologist license from UC Berkley in 1979 and also has prior experience as a registered dental assistant. She has been with ddi since 2004. Currently she works at ddi Roseville, the first all-digital dental imaging center, where she has become an expert on digital radiography and cone beam technology as well as digital patient record keeping.

Stephanie Carr

Stephanie (Carr) is the office manager for the ddi Roseville  center where she has worked since joining ddi in 2003. She handles patient scheduling, insurance billing and computer data entry as well as shipping and supply management. Stephanie is also the Scheduling Coordinator for the Mobile Unit and provides support to the Sacramento office when needed.  Stephanie is very knowledgeable about every aspect of ddi and is kind and generous with her time. 

Hilari Case

Hilari (Case) joined the ddi Sacramento crew in 2016 and handles patient scheduling, insurance billing and computer data entry as well as shipping and supply management. Hilari also provides support to the Mobile Scheduling when needed. She is quick with a smile and a kind word and enjoys talking to the patient’s and/or their parents.

Sandra Dial

Sandra (Dial) has been with ddi since the doors opened in 1995, and primarily works at the ddi Roseville location – but she is quick to help at the Sacramento office when needed or with scheduling the Mobile Imaging Center. Sandra is an asset to ddi with her availability to work when needed with her cheerful disposition.  

Ron Thatcher

Ron started working in the dental Imaging field in 1981. Shortly thereafter he earned his license as a dental radiographic technologist for the state of California. He spent 36 years working in Walnut Creek as the one constant through 6 ownership changes. He has worked very hard training many new hires and even the owners to achieve their licensing, all the while maintaining high quality imaging standards for himself. He joined the ddi team in 2016 and enjoys his new team very much. He currently works in the Roseville office as well as being ddi’s mobile Imaging Van driver. Ron enjoys interacting with his patients and the opportunity to learn all the new technologies.