{"npi":"1689636532","type":"NPI-1","status":"active","name":{"display":"Douglas Martin MD","other":[],"first":"DOUGLAS","last":"MARTIN","middle":"WAYNE","credential":"MD"},"specialty":{"primary_taxonomy":"2083X0100X","primary_taxonomy_description":"Occupational Medicine Physician","slug":"occupational-medicine-physician","schema_org_specialty":null,"all":[{"code":"2083X0100X","description":"Occupational Medicine Physician","primary":true,"state":"SD","license":"3939"},{"code":"2083X0100X","description":"Occupational Medicine Physician","primary":false,"state":"IA","license":"28886"},{"code":"2083X0100X","description":"Occupational Medicine Physician","primary":false,"state":"ND","license":"16038"},{"code":"2083X0100X","description":"Occupational Medicine Physician","primary":false,"state":"IA","license":"MD-28886"},{"code":"2083X0100X","description":"Occupational Medicine Physician","primary":false,"state":"NE","license":"18932"}]},"addresses":[{"purpose":"LOCATION","street_1":"575 N SIOUX POINT ROAD","city":"DAKOTA DUNES","state":"SD","postal_code":"570495312","country_code":"US","phone":"6052172667","fax":"6052172900"},{"purpose":"MAILING","street_1":"575 N SIOUX POINT ROAD","city":"DAKOTA DUNES","state":"SD","postal_code":"570495312","country_code":"US","phone":"6052172667","fax":"6052172900"}],"license":{"state":"SD","number":"3939"},"identifiers":[],"pecos":{"enrolled_at":null,"enrollments":[]},"enumeration_date":"2006-04-05","last_updated":"2025-12-10","_meta":{"source":"NPPES","snapshot_date":"2025-12-10","doc_url":"https://findmynpi.com/api"}}