N.Y. Comp. Codes R. & Regs. tit. 18, § 360-10.6
(1) A recipient who is required to enroll in an MMCO and who resides in a social services district with more than one MMCO available has good cause to change his or her MMCO during the lock-in period if:
(i) the MMCO has failed to furnish accessible and appropriate medical care, services or supplies to which the enrollee is entitled under the terms of the contract under which the MMCO has agreed to provide services. This includes, but is not limited to the failure to:
(2) If there are no other MMCOs available in the enrollee's social services district, an enrollee seeking to disenroll from his or her current MMCO will be required to remain enrolled in the MMCO unless the reason for the disenrollment is described in subparagraph (1)(i) or (ii) of this subdivision.
(iii) An enrollee whose request for a change of MMCO has been denied by the social services district shall be provided with a written notice which states the decision, the reasons for the denial, the facts upon which the denial is based, cites the relevant statutory and regulatory authority and advises the enrollee of his or her right to a fair hearing. The notice must comply with the requirements specified in section 358-2.2(a) of this Title.
(b) Family health plus enrollees.
(3)
(1) If there is another MMCO available in the enrollee's social services district, an enrollee may change his or her MMCO during the lock-in period if:
(i) the MMCO has failed to furnish accessible and appropriate medical care, services or supplies to which the enrollee is entitled under the terms of the contract under which the MMCO has agreed to provide services. This includes, but is not limited to, the failure to:
(2) If the enrollee resides in a social services district in which there are no other MMCOs available, the enrollee will be required to remain enrolled in the MMCO unless the enrollee chooses to discontinue his or her participation in the FHP program.
(iv) 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.
(3)
(a) Medicaid recipients.