William A. Schwarz, MSN, APRN, APN-BCMSN, APRN, APN-BCUnclaimed · claim itNurse Practitioner, AdultSouth Salt Lake, UT19+ years experienceRegistered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(240) 356-1000NPI 1730201245View Profile Claim