Okla. Stat. tit. 36, § 36-3634

- Accident and health benefits.

Medical or surgical services or procedures constituting the

practice of podiatric medicine, as defined by Section 142 of Title

59 of the Oklahoma Statutes, psychological services or procedures

constituting the practice of psychology, as defined by Section 1352

of Title 59 of the Oklahoma Statutes, and licensed and certified

clinical social work services provided by persons meeting the

qualifications required under subsection B of Section 1261.1 of

Title 59 of the Oklahoma Statutes and covered by the terms of any

individual, group, blanket or franchise policy, agreement or service

contract providing accident or health benefits coverage in Oklahoma

issued by any insurer, whether a stock or mutual insurance company,

a medical service corporation or association, or any other type of

issuer whatever, and covering an Oklahoma risk may be performed by

any practitioner licensed to do so under Sections 136 through 160.2,

Sections 1351 through 1376 or subsection B of Section 1261.1 of

Title 59 of the Oklahoma Statutes, who is selected by the insured

provided that where covered benefits are offered through a

contracting preferred provider organization, the podiatrist,

psychologist, or clinical social worker is a contracting provider.

Except in the case of a contracting preferred provider organization,

any provision, exclusion or limitation in such a policy denying an

insured the free choice of such licensed podiatric physician,

psychologist or certified clinical social worker shall, to the

extent of the denial, be void, but such voidance shall not affect

the validity of the other provisions of the policy.