MEDICAL PRACTITIONER- practitioner’s appeal pursuant to National Law s 159 against order of Medical Council imposing conditions on practitioner’s registration pursuant to National Law s 150- where Medical Council seeks imposition of not to practise condition on practitioner’s registration- whether practitioner suffers from impairment pursuant to National Law s 5- whether health and safety of public requires imposition of not to practise condition on practitioner’s registration on other grounds- costs