Acute Care Nrs Pract Cert (ACNP-BC), Acute Care NP-A Gerontology (ACNPC-AG), Neonatal NP (NNP-BC): Must have one of the following: Acute Care Nurse Practitioner Board Certification (ACNP-BC). Counsels patients about drug regimens and possible side effects or interactions with food supplements, over-the-counter medications, and herbal remedies.