New Mexico Statutes Chapter 59A. Insurance Code § 59A-47-28.3. Provider discrimination prohibited

All individual and group subscriber contracts delivered or issued for delivery in New Mexico that, on a prepaid, service or indemnity basis, or all of them, provide for treatment of persons for the prevention, cure or correction of an illness or physical or mental condition shall include coverage for the services of a physician assistant and a certified nurse practitioner. Deductibles, limits of coverage or other terms and conditions of coverage for certified nurse practitioners and physician assistants shall not differ substantially from coverage for the same or similar services provided by other practitioners. Nothing in this section shall restrict a health care plan from including in the terms of its coverage any benefit differences based on differences in the scope of practice of health care practitioners.