N.Y.C. Charter § 554: Section 554. Removal of board members.

A member of the board of health other than the chairman may be removed by the mayor on proof of official misconduct or of negligence in official duties or of conduct in any manner connected with his official duties which tends to discredit his office, or of mental or physical inability to perform his duties; provided that prior to removal he shall receive a copy of the charges and shall be entitled to a hearing before the mayor and to the assistance of counsel at such hearing.