Mary Kathryn Petta, APRN-CNSAPRN-CNSUnclaimed · claim itClinical Nurse SpecialistNorfolk, NE15+ years experienceRegistered with an NPI since 2011. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(402) 371-4880NPI 1609153741View Profile Claim