Harley N. Fox, ACNP-BCACNP-BCUnclaimed · claim itNurse Practitioner — Acute CareIrwin, PA11+ years experienceRegistered with an NPI since 2015. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(724) 205-0452NPI 1831568666View Profile Claim