Dennis O'Brien, DC
is a San Diego native and has been practicing for over 20 years making a difference in people's lives treating athletes and their families. He served as the team doctor for Eastlake High School and Olympian High School. Dr. O'Brien helped several Olympic athletes for track and field and archery. He enjoyed serving as the team doctor under the Friday Night Lights for our local high schools ELHS & OHS. and also providing care to the baseball and water polo teams. He is familiar with all sports and is currently working with Calvary Christian Academy. When he is away from the office he enjoys staying healthy by cycling in the San Diego sunshine, working out, bodysurfing at our local beaches and camping to unplug and enjoy life with his family. He is passionate about helping others live an active and healthy life.
You might think of chiropractic as something that is only for the neck and low back, but Dr. O'Brien also adjusts knees, hips, shoulders and wrists. He specializes in extremity work and making sure all the joints of the body are working well to give athletes a competitive edge and sports enthusiasts some well needed relief when the occasional game leaves residual aches and pains.
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Although Dr. O'Brien started with Gerken Family Chiropractic in December 2021, he has been working as a chiropractor all over the Chula Vista Area for over 20 years. You might have seen him driving his "mobiledoc" vehicle equipped to take x-rays on the spot. After years working as a "mobile" doc, Dennis now calls Gerken Family Chiropractic home and we're excited to have him on our team.
Education
Dr. O’Brien majored in Biology at Patton University. He has always had a love of sports and focused his education on the healing and recovery of sport injuries. He is well versed in all sports and able to help athletes and weekend warriors achieve their fitness goals, as well as, balance muscles for optimum strength and performance. Dr. O’Brien went back to school and completed his doctorate in Chiropractic through the Cleveland College of Chiropractic in 1998 with a focus on sports injuries.
Experience
Dr. O’Brien started working with patients in 1999 while working with law enforcement for 26 years. In addition to working with the local high schools and Olympic athletes, he has also worked with mature athletes to enhance and optimize their sports performance.
Outside the Office
When he is away from the office, Dr. O’Brien enjoys staying healthy by cycling in the San Diego sunshine, working out, bodysurfing at our local beaches and camping to unplug and enjoy life with his family. He is passionate about helping others live an active and healthy life.
Just East of the 125 we are conveniently located off Harold Place. Exit the 125 using the Otay/Telegraph Canyon signs (go east towards the mountains). Left on Lane, Right on Fenton, Left on Harold Place and look for us on the right hand side. We're the second driveway on the right.
Hours of Operation:
By appointment: Monday - Friday 8:00 am - 6:00 pm
We'd love to speak with you! 
861 Harold Place, Suite 301, Chula Vista, CA 91914 (619) 735-2828 schedule@gerkenfamilychiropractic.com