meet the team


Ariana DiGregorio, B.S., D.C., B.C.A.O.

Dr. DiGregorio received her Bachelor of Science in Human Biology from Michigan State University. Upon graduating, she enrolled at Life University College of Chiropractic. While attending Chiropractic College she started studying the Atlas Orthogonal Adjusting Technique at the Sweat Institute for Atlas Orthogonal.

Following graduation, she completed her board certification and is now Board Certified in Atlas Orthogonal through Sherman College of Chiropractic. Dr. DiGregorio knew from a very young age that she wanted to follow in her father’s footsteps and help people heal through the amazing benefits of Atlas Orthogonal Chiropractic Care. Growing up around her father’s practice, she saw firsthand, the immense impact this type of care had on people’s quality of life. Patients would drive hours in each direction to find relief from their ailments including headaches, neck pain, radiculopathy, vertigo, trigeminal neuralgia, and other neurodegenerative disorders. Dr. DiGregorio feels blessed to be providing care to her new community, in Denver Colorado, at Atlas Chiropractic Center of Denver. In her free time Dr. DiGregorio enjoys spending time with her partner Chas and their two pups Moki and Penny. She also enjoys golfing, hiking, skiing, and is a huge college football fan.


Rick DiGregorio, D.C., B.C.A.O.

Dr. Rick DiGregorio received his Doctor of Chiropractic from the prestigious Palmer College of Chiropractic in Davenport Iowa. He is a Board Certified Atlas Orthogonist through Sherman College of Chiropractic.

He received certification from Palmer College of Chiropractic in Video Fluoroscopy. Using scientific, evidence-based research and a holistic approach, Dr. DiGregorio strives to improve patients' health, employing optimism, enthusiasm, and hard work, and is gratified with the results. He has been studying Upper Cervical Chiropractic for over 25 years, and has had an office in Monroe, Michigan for 20 of those years. He currently is seeing patients at Atlas Spine and Wellness Care in Charleston, SC. Highly regarded in his field, he is often called to mentor those eager to learn the Atlas Orthogonal technique.

Dr. Rick is married with four children. ​Their oldest graduated from the University of Michigan with a Bachelor of Medical Engineering degree, she went on to complete her Doctor of Osteopathy at MSU, and completed her Pediatric Residency and Fellowship at the Medical University of South Carolina. She is now working at Childrens Hospital of Colorado, in Denver,as an Attending in the Cardiology ICU. Their second daughter graduated with a B.S. from Michigan State University and received her Doctor of Chiropractic degree from Life University. She is Board Certified in Atlas Orthogonal and practicing in Michigan. The third is a graduate of Grand Valley State University, with a B.S. degree in criminal justice. She is currently a Project Manager Coordinator at an Engineering Firm in Grand Rapids, Michigan. The youngest is a recent graduate of The College of Charleston with a double major in Classics and Religious Studies and will be applying for a Masters Program in the U.K.


9:00am - 6:00pm

9:00am - 6:00pm

9:00am - 1:00pm

9:00am - 6:00pm



Atlas Chiropractic of Denver

7150 East Hampden Avenue #305
Denver, CO 80224

(303) 756-2737