42 CFR §441.156

1. (a)The individual plan of care under § 441.155 must be developed by an interdisciplinary team of physicians and other personnel who are employed by, or provide services to patients in, the facility.
2. (b)Based on education and experience, preferably including competence in child psychiatry, the team must be capable of—
   1. (1)Assessing the beneficiary's immediate and long-range therapeutic needs, developmental priorities, and personal strengths and liabilities;
   2. (2)Assessing the potential resources of the beneficiary's family;
   3. (3)Setting treatment objectives; and
   4. (4)Prescribing therapeutic modalities to achieve the plan's objectives.
3. (c)The team must include, as a minimum, either—
   1. (1)A Board-eligible or Board-certified psychiatrist;
   2. (2)A clinical psychologist who has a doctoral degree and a physician licensed to practice medicine or osteopathy; or
   3. (3)A physician licensed to practice medicine or osteopathy with specialized training and experience in the diagnosis and treatment of mental diseases, and a psychologist who has a master's degree in clinical psychology or who has been certified by the State or by the State psychological association.
4. (d)The team must also include one of the following:
   1. (1)A psychiatric social worker.
   2. (2)A registered nurse with specialized training or one year's experience in treating mentally ill individuals.
   3. (3)An occupational therapist who is licensed, if required by the State, and who has specialized training or one year of experience in treating mentally ill individuals.
   4. (4)A psychologist who has a master's degree in clinical psychology or who has been certified by the State or by the State psychological association.