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4940 S Emerson Ave Indianapolis, IN 46203

Gary R. Billingsley, D.C.           


Dr. Billingsley grew up in the heart of Indianapolis where he attended Howe High School. As an active young man dealing with constant back pain he was introduced to chiropractic at the age of 17. He realized soon there after that his jobs consisting of construction, roofing, and factory assembly lines were not suitable for his back condition. This drove him to learn more about the profession that had helped him so much. After completing courses at IUPUI, Dr. B moved to Iowa where he attended Palmer College of Chiropractic. Upon receiving his Doctor of Chiropractic degree and state license he moved back to Indianpolis where he met his wife, Tammy, and started up his practice. He has been serving the Indianapolis community for over 30 years, and is happy to be joined by his oldest daughter, Dr. Kristen Hartwell, and his wife Tammy, who manages the office. Dr. B has a son, Aaron who owns a flooring store in Cumberland, daughter Brittany who is a finance manager and daughter Brookley who is also a Chiropractor in Washington State. Dr. B is also very proud to be a grandfather!                       


  • Palmer College of Chiropractic, D.C., 1980                
  • IUPUI 1975-1977


  • Indiana Chiropractic License
  • Tennessee Chiropractic License

Memberships & Associations:

  • Indiana State Chiropractic Association  
  • American Chiropractic Association
  • Foundation for Wellness Professionals
  • Franklin Township Chamber of  Commerce
  • Palmer College of Chiropractic Alumni Association
  • American Pregnancy Association 

Kristen A. Hartwell, D.C.


Dr. Kristen Hartwell is an Indianapolis native. She completed her Bachelor of Science in Biology at Indiana University and completed her studies in chiropractic at Palmer College of Chiropractic. After earning her Doctor of Chiropractic in February of '08 she returned to Billingsley Chiropractic to join her father in practice! Dr. Hartwell enjoys helping families including expecting mothers and children! She is a member of the Pediatric and Pregnancy Associations and is Certified in the Webster techique which is used during pregnancy. She is most proud of her two week mission trip to India on 2007 where she joined 11 other chiropractors and set up a complimentary chiropractic clinc treating mostly children to help spread chiropractic care to the world! She is happy to be living and practicing back home in Indianapolis with her husband Andrew, sons Aven & Ryland and dog, Kelso! She is eagerly serving the community with their health care needs in her family practice as well as at the State House where she regularly serves as D.C. of the day! 


  • Palmer College of Chiropractic, D.C., 2008                
  • Indiana University, B.S., 1999-2003


  • Indiana Chiropractic License
  • Parts 1-4 of the National Board of Chiropractic Examiners

Memberships & Associations: 

  • Palmer College of Chiropractic Alumni Association
  • American Pregnacy Association
  • International Chiropractic Pediatric Association
  • Franklin Township Chamber of Commerce
  • Indiana State Chiropractic Association (Board Member/District director)
  • American Chiropractic Association

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