About Us

Here are some interesting facts about our unique practice:

•   Birthplace of NUCCA and NUCCRA
•   Both doctors were NUCCA board certified by Dr. Gregory in 1985
•   Only office with two NUCCA board certified doctors
•   Both doctors are currently on the research board of NUCCA (NUCCRA)
•   Both doctors have been on both NUCCA and NUCCRA Boards
•   Oldest continuing Grostic-Gregory-NUCCA upper cervical chiropractic office in the world
•   Dr. Palmer is the first woman doctor NUCCA board certified
•   Both doctors were assistants, associates, and co-researchers with Dr. Gregory for a decade
•   Headquarters of the Upper Cervical Monograph, the research publication of NUCCRA
•   Two-thirds of patients are from out-of-state (New York, Wisconsin, Indiana, Minnesota, Colorado, Texas, Ohio,   Virginia, Canada, and England)
•   More than a dozen NUCCA doctors are patients
•   More than a dozen medical doctors, osteopaths, dentists, and physical therapists are patients
•   Engaged in research with faculty at the University of Toledo

Here are our staff members from left to right: Martha O'Donnell, Edna Denton, Dr. Keith Denton, and Dr. Teresa Palmer. Edna Denton has been working in the office since 1981 and is married to Dr. Keith Denton. Keith and Edna have a son, Graham, and a daughter, Kelsey, who passed away in 1997. From 1981 to 1990, Edna was the receptonist to Dr. Gregory, Dr. Denton, and Dr. Palmer. She was also the Executive Secretary to NUCCA and NUCCRA from 1981 to 1998. Edna received her Bachelor of Arts degree from Marycrest College, Davenport, Iowa with a major in Elementary Education/Early Childhood. She is a member of the Cheyenne-Arapaho tribes of Oklahoma. Martha O'Donnell began working for Dr. Ralph R. Gregory, Dr. Denton, and Dr. Palmer in 1985. She was a patient of Dr. Gregory and enjoys seeing patients improve with upper cervical care. Martha and her husband, Bob O'Donnell, have three daughters, Rosemary, Hilary, and Bridget.