{"npi":"1073180758","type":"NPI-1","status":"active","name":{"display":"Nathaniel Mattison","other":[],"first":"NATHANIEL","last":"MATTISON"},"specialty":{"primary_taxonomy":"207RC0200X","primary_taxonomy_description":"Critical Care Medicine (Internal Medicine) Physician","slug":"critical-care-medicine-internal-medicine-physician","schema_org_specialty":null,"all":[{"code":"390200000X","description":"Student in an Organized Health Care Education/Training Program","primary":false,"state":null,"license":null},{"code":"207RC0200X","description":"Critical Care Medicine (Internal Medicine) Physician","primary":true,"state":"NE","license":"37438"},{"code":"207P00000X","description":"Emergency Medicine","primary":false,"state":"LA","license":"335094"}]},"addresses":[{"purpose":"LOCATION","street_1":"7500 MERCY RD","city":"OMAHA","state":"NE","postal_code":"681242319","country_code":"US","phone":"4023986060"},{"purpose":"MAILING","street_1":"1501 KINGS HWY","city":"SHREVEPORT","state":"LA","postal_code":"711034228","country_code":"US","phone":"3186261036"}],"license":{"state":"NE","number":"37438"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20230522003495","type_code":"14-93","type_desc":"PRACTITIONER - EMERGENCY MEDICINE","state":"LA","pac_id":"1355707001"}]},"enumeration_date":"2021-06-09","last_updated":"2026-05-19","_meta":{"source":"NPPES","snapshot_date":"2026-05-19","doc_url":"https://findmynpi.com/api"}}