Any podiatric physician and surgeon who treats patients in the state of Washington shall maintain complete and legible treatment records regarding patients treated. These records shall include, but shall not be limited to X-rays, treatment plans, patient charts, patient histories, correspondence, financial data and billing. These records shall be retained by the podiatric physician and surgeon in an orderly, accessible file and shall be readily available for inspection by the Washington state podiatric medical board or its authorized representative. Complete patient treatment records shall be maintained for a minimum of seven years after treatment is rendered.