The health care of each resident shall be under the continuing supervision of a physician: PROVIDED, That a resident of a facility licensed pursuant to chapter 18.51 RCW but not certified by the federal government under Title XVIII or Title XIX of the Social Security Act as now or hereafter amended shall not be required to receive the continuing supervision of a health care practitioner licensed pursuant to chapter 18.22, 18.25, 18.32, 18.57, 18.71, and 18.83 RCW, nor shall the state of Washington require such continuing supervision as a condition of licensing. The physician shall see the resident whenever necessary, and as required and/or consistent with state and federal regulations.