Notwithstanding any provision of any individual, group or blanket policy of accident and sickness, medical or surgical expense insurance coverage or any provision of a policy, contract, plan or agreement for medical service, issued on or after the effective date of this act, whenever such policy, contract, plan or agreement provides for reimbursement or indemnity for any service which is within the lawful scope of practice of any practitioner licensed under the Kansas healing arts act, reimbursement or indemnification under such policy contract, plan or agreement shall not be denied when such service is rendered by any such licensed practitioner within the lawful scope of his license.