{"npi":"1255929022","type":"NPI-1","status":"active","name":{"display":"Mr. Dallas Mastin FNP-Bc FNP-C","other":[],"first":"DALLAS","last":"MASTIN","middle":"L","credential":"FNP-BC FNP-C"},"specialty":{"primary_taxonomy":"363LF0000X","primary_taxonomy_description":"Family Nurse Practitioner","slug":"family-nurse-practitioner","schema_org_specialty":null,"all":[{"code":"163W00000X","description":"Registered Nurse","primary":false,"state":"DE","license":"L1-0043517"},{"code":"363LF0000X","description":"Family Nurse Practitioner","primary":true,"state":"DE","license":"LG-0011570"}]},"addresses":[{"purpose":"LOCATION","street_1":"100 WELLNESS WAY","city":"MILFORD","state":"DE","postal_code":"199634364","country_code":"US","phone":"3029433637"},{"purpose":"MAILING","street_1":"100 WELLNESS WAY","city":"MILFORD","state":"DE","postal_code":"199634364","country_code":"US","phone":"3029433637"}],"license":{"state":"DE","number":"LG-0011570"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20210408002798","type_code":"14-50","type_desc":"PRACTITIONER - NURSE PRACTITIONER","state":"DE","pac_id":"0749698850"}]},"enumeration_date":"2021-01-06","last_updated":"2021-08-09","_meta":{"source":"NPPES","snapshot_date":"2021-08-09","doc_url":"https://findmynpi.com/api"}}