{"npi":"1295735710","type":"NPI-1","status":"active","name":{"display":"James Nielsen MD","other":[],"first":"JAMES","last":"NIELSEN","middle":"L","credential":"MD"},"specialty":{"primary_taxonomy":"208G00000X","primary_taxonomy_description":"Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician","slug":"thoracic-surgery-cardiothoracic-vascular-surgery-physician","schema_org_specialty":null,"all":[{"code":"208G00000X","description":"Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician","primary":false,"state":"TX","license":"H2643"},{"code":"208G00000X","description":"Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician","primary":true,"state":"FL","license":"ME65879"}]},"addresses":[{"purpose":"LOCATION","street_1":"5147 N 9TH AVE STE 318","city":"PENSACOLA","state":"FL","postal_code":"325048710","country_code":"US","phone":"8504162965","fax":"8504161833"},{"purpose":"MAILING","street_1":"4205 BELFORT RD STE 4015","city":"JACKSONVILLE","state":"FL","postal_code":"322163623","country_code":"US","phone":"9044506063","fax":"9045394091"}],"license":{"state":"FL","number":"ME65879"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"3756050 00","state":"FL","issuer":null},{"type_code":"05","label":"Medicaid","value":"009409040","state":"AL","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100330000374","type_code":"14-33","type_desc":"PRACTITIONER - THORACIC SURGERY","state":"FL","pac_id":"1355422767"},{"enrlmt_id":"I20200319002083","type_code":"14-78","type_desc":"PRACTITIONER - CARDIAC SURGERY","state":"IA","pac_id":"1355422767"},{"enrlmt_id":"I20210728001180","type_code":"14-33","type_desc":"PRACTITIONER - THORACIC SURGERY","state":"TX","pac_id":"1355422767"},{"enrlmt_id":"I20210831002073","type_code":"14-78","type_desc":"PRACTITIONER - CARDIAC SURGERY","state":"WI","pac_id":"1355422767"},{"enrlmt_id":"I20250313002701","type_code":"14-06","type_desc":"PRACTITIONER - CARDIOVASCULAR DISEASE (CARDIOLOGY)","state":"CO","pac_id":"1355422767"},{"enrlmt_id":"I20250415001929","type_code":"14-33","type_desc":"PRACTITIONER - THORACIC SURGERY","state":"ND","pac_id":"1355422767"}]},"enumeration_date":"2005-07-27","last_updated":"2026-04-03","_meta":{"source":"NPPES","snapshot_date":"2026-04-03","doc_url":"https://findmynpi.com/api"}}