Following graduation, Dr. Sitarski became licensed as a chiropractic physician by the State of Missouri. He established Sitarski Chiropractic in September 2009 and started his practice in St. Peters.
Dr. Sitarski joined the Accident and Sports Rehab Chiropractic Center (located in Hazelwood) in 2010 and practiced there as an associate physician until 2014, while continuing to serve patients from his individual practice (located in St. Peters).
In the spring of 2014, Dr. Sitarski moved his practice to St. Charles and now owns and operates St. Andrews Chiropractic Center.
Since the spring of 2010, Dr. Sitarski has volunteered as an assistant chiropractor for the Washington University in St. Louis Athletics Program.