Ohio Rev. Code § 3923.23
Notwithstanding any provision of any certificate furnished by an insurer in connection with, or pursuant to any group sickness and accident insurance policy delivered, issued for delivery, renewed or used, in or outside this state, on or after the effective date of this amendment, July 1, 1980, and notwithstanding any provision of any policy of insurance delivered, issued for delivery, renewed or used, in or outside this state, on or after the effective date of this amendment, July 1, 1980, whenever such policy or certificate is subject to the jurisdiction of this state and provides for reimbursement for any service which may be legally performed by a person licensed in this state for the practice of osteopathy, optometry, chiropractic, or podiatry, reimbursement under such policy or certificate shall not be denied when such service is rendered by a person so licensed.
R.C. §3923.23