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, issues 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 healing arts of this state, reimbursement or indemnification under such policy contract, plan or agreement shall not be denied when such services are performed by an optometrist, dentist or podiatrist acting within the lawful scope of their license.