All benefits under any blanket health insurance policy shall be payable to the person insured, or to his designated beneficiary or beneficiaries, or to his estate, as shall be specified in the policy, except that if the person insured be a minor, such benefits may be made payable to his parent, guardian or other person actually supporting him, or to a person or persons chiefly dependent upon him for support and maintenance. [1969, c. 132, §1 (NEW).]