N.Y. Comp. Codes R. & Regs. tit. 18, § 360-10.5
(d) Determination of a Medicaid recipient's eligibility for an exemption or exclusion shall be the responsibility of the social services district.
(1) Determinations made prior to enrollment.
(2) Determinations of a Medicaid recipient's eligibility for an exemption or exclusion from enrollment in a managed care program after enrollment has occurred.
(ii) A Medicaid recipient may apply for an exemption or an exclusion by filing a written request with the appropriate social services district. The social services district shall require the Medicaid recipient to provide documentation to support the request for an exemption or exclusion where appropriate.
(iii) An enrollee may request an expedited disenrollment or change if: an immediate risk to the enrollee's health exists; the enrollment was non-consensual; or for other reasons as set forth in the contract between the MMCO and the State. The social services district may request documentation to substantiate the request. The effective date of the expedited disenrollment or change must comply with the timeframes found in the contract between the MMCO and the State.