{"npi":"1740255686","type":"NPI-1","status":"active","name":{"display":"Dr. Martin Eng D.C","other":[],"first":"MARTIN","last":"ENG","middle":"O","credential":"D.C"},"specialty":{"primary_taxonomy":"111N00000X","primary_taxonomy_description":"Chiropractor","slug":"chiropractor","schema_org_specialty":null,"all":[{"code":"111N00000X","description":"Chiropractor","primary":true,"state":"MN","license":"3331"}]},"addresses":[{"purpose":"LOCATION","street_1":"710 DODGE AVENUE NW","city":"ELK RIVER","state":"MN","postal_code":"553302890","country_code":"US","street_2":"SUITE C","phone":"7634411701","fax":"7634415348"},{"purpose":"MAILING","street_1":"710 DODGE AVENUE NW","city":"ELK RIVER","state":"MN","postal_code":"553302890","country_code":"US","street_2":"SUITE C","phone":"7634411701","fax":"7634415348"}],"license":{"state":"MN","number":"3331"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"6855253-00","state":"MN","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20070104000177","type_code":"14-35","type_desc":"PRACTITIONER - CHIROPRACTIC","state":"MN","pac_id":"1153321716"}]},"enumeration_date":"2006-02-22","last_updated":"2012-07-24","_meta":{"source":"NPPES","snapshot_date":"2012-07-24","doc_url":"https://findmynpi.com/api"}}