Additional referrals to various providers are available at no cost to families. For WFNJ customers, a change of care can be requested at any time by calling the Referral Department @609-989-8130. (For NJCK customers, a change of care can be requested by calling 609-989-8035 and requesting a new Pre-PAPA). However, in most cases, State policies require that we give a provider minimum five days advance notice.