Rachel A. Sullivant

Dr. Rachel Sullivant is a chiropractor at Insight Neuro Chiropractic Center. Dr. Sullivant began her journey in the healthcare field in high school. Her first job was as an assistant in a Flint chiropractic practice where she developed a passion for people and helping her community. She attended the University of Michigan in Ann Arbor, where she worked on a longitudinal health study at Michigan’s School of Public Health. She also spent two years working with the SWAN Study (Study of Women Across the Nation), which provides research and data on aging in women and the health implications they may face.

After graduating from Michigan with a Bachelor of Science in Neuroscience, she began her post-graduate studies in the Doctor of Chiropractic program at Life Chiropractic College West in the Bay Area of California. She graduated Summa Cum Laude in 2016 and passed her diplomate exam through the American Chiropractic Neurology Board in 2018 after completing 300 hours of post-doctoral studies through the Carrick Institute in Clinical Neurology.

Since graduating, Dr. Sullivant has worked to grow the chiropractic department at Insight. She specializes in motor vehicle accidents, post-surgical patients, and migraines. Her office recently partnered with the Flint Firebirds, a professional hockey team in the Ontario Hockey League, providing spinal care and post-concussive therapy to the players and coaches.

Mujtaba Syed

Chiropractic School: Parker University
Undergraduate: University of Michigan-Flint

Fellowship trained in Manipulation Under Anaesthesia | BIO: Dr. Mujtaba Syed is a board-certified chiropractic physician. He was born and raised in the beautiful city of Flint, MI, where he completed his undergraduate degree in Psychology from the University of Michigan-Flint. After obtaining his Bachelor’s degree, he spent a year working in clinical research studies. Dr. Syed then went on to obtain his Doctorate in Chiropractic studies from Parker University in Dallas, TX. During his time there, he obtained extensive experience in soft-tissue therapy, Activator Method, and Cox Flexion Distraction. Dr. Syed is also Fellowship trained and certified in Manipulation Under Anesthesia. After completing his doctorate studies, Dr. Syed moved back to Flint, with a true passion to give back to the community that he grew up in. In his spare time, you can find Dr. Syed on the basketball court, playing board games, or spending time with his family and friends.

David Swain

Dr. David Swain is a board-certified chiropractic physician at Insight. Dr. Swain has spent his career in the interdisciplinary domain, practicing alongside providers specializing in a variety of disciplines, including orthopedics, pain management, and sports medicine.

Dr. Swain received his undergraduate degree from WMU in Kalamazoo, MI and his graduate degree at NUHS in Chicago, IL. While at NUHS, he was student president of the sports medicine and rehabilitation program and vice president of the student-run Motion Palpation Institute. Dr. Swain is fellowship trained in manipulation under
anesthesia. He also has training in Cox flexion distraction and manual soft tissue techniques, as well as evaluation and management of musculoskeletal disorders using the McKenzie Method of Mechanical Diagnosis and Therapy.

Born and raised in Metro Detroit, Dr. Swain is happy to be practicing in Michigan. When he’s not working, you can find him spending time with his wife and two children, playing golf, and fishing with friends and family.

Keith Denning

Chiropractic School: Sherman College
Undergraduate: Purdue University
Expertise: Chiropractic

Dr. Keith Denning is a board-certified chiropractic physician. He was first introduced to chiropractic care after suffering a low back and hip injury while playing high school soccer. After experiencing excellent care and improvement, he decided to pursue a career in this field.

Dr. Denning received his bachelor’s degree in biomechanics from Purdue University. During this time, he also served as a lead laboratory instructor and teaching assistant. Dr. Denning continued his postgraduate work at Sherman College in South Carolina, where he was involved in research studies involving nutrition and manipulative effects on chronic pain. After receiving his doctorate, Dr. Denning trained extensively and studied nutrition, chronic pain management, non-surgical decompression, and manipulation under anesthesia.

Dr. Denning currently serves as chief of staff for all Insight Neuro-Chiropractic locations. At Insight, he introduced and developed the Manipulation Under Anesthesia program, which has been deemed one of the best MUA programs in the country by several experts. Dr. Denning pioneered the relationship with the Flint Firebirds hockey team of the OHL and is one of the physicians responsible for treating their premier athletes.

When he is not devoting himself to his patients’ care, Dr. Denning enjoys traveling, biking, golf, and spending time with his wife and four boys. His family are avid baseball fans and travel the country playing and attending baseball games.