Dr. Michael J. Arnot, D.C.

Dr. Michael J. Arnot, D.C. has been in practice for 26 years. He has owned and operated clinics in California and Indiana, as well as the present clinic in Portland, Oregon, which was established in February of 2003.

A pre-med graduate of the University of San Francisco and the Palmer College of Chiropractic, he is licensed to practice in Oregon, California, Ohio, and Indiana. Dr. Arnot is a member of the Palmer College of Chiropractic International Alumni Association and the Hillsdale Business and Professional Association. He is also a member of the ICA (International Chiropractic Association) and OCA (Oregon Chiropractic Association).


Team Members

Suzette Rodway – Insurance Administrator

With a B.S. in Business Administration and 17 years of experience in the Insurance Industry, Suzette Rodway is apt at handling the insurance side of our busy clinic. In her other life, Suzette is an accomplished vocalist, performing with various musical groups around the Portland area.



Madeline Tkacz – Front Office Coordinator

Madeline Tkacz graduated from Gonzaga University in 2011 with her BA in psychology.  She has several years of customer service experience specific to the healthcare field that she is happy to be expanding on here at Hillsdale Chiropractic.  Outside of work, Madeline enjoys hiking with her dog Stella, reading and spending time with friends and family.

Ryan O’Dell- Certified Chiropractic Assistant

Ryan O’Dell graduated from Warner Pacific College in 2012 with a Bachelor of Science in Human Health/ Kinetics and Exercise Science with a Minor in Health Sciences. Ryan was a two sport scholarship athlete in both soccer and track while attending Warner Pacific. Ryan is a Certified Chiropractic Assistant and has a huge desire to help people and get them to their maximal health. Outside of the clinic he enjoys spending time with friends and family, and all the recreational activities that come along with that. He also enjoys staying at home watching movies with his daughter and wife.