Kathy Weidner, better known professionally as Kathy Mills Chang, is a Colorado girl, residing there with her husband and two beloved basset hounds, Homer and Daisy Mae. Kathy started as a CA in 1983 and is celebrating her 40th anniversary of serving the chiropractic profession in 2023.    

Kathy is known as one of our profession’s premiere Medicare, compliance, billing, and documentation experts. Now a Certified Medical Compliance Specialist (MCS-P), a Certified Professional Chiropractic Coder (CCPC) and a Certified Professional Compliance Officer, (CPCO) Kathy’s super-power is that she makes these difficult subjects simple, easy to understand, and, most importantly, easy to implement.