{"npi":"1104963099","type":"NPI-1","status":"active","name":{"display":"Dr. Marty Mrachek O.D.","other":[],"first":"MARTY","last":"MRACHEK","credential":"O.D."},"specialty":{"primary_taxonomy":"152W00000X","primary_taxonomy_description":"Optometrist","slug":"optometrist","schema_org_specialty":null,"all":[{"code":"152W00000X","description":"Optometrist","primary":true,"state":"ND","license":"ND602"}]},"addresses":[{"purpose":"LOCATION","street_1":"1300 E LASALLE DR STE 2","city":"BISMARCK","state":"ND","postal_code":"585035716","country_code":"US","phone":"7015571574","fax":"7015571649"},{"purpose":"MAILING","street_1":"1300 E LASALLE DR STE 2","city":"BISMARCK","state":"ND","postal_code":"585035716","country_code":"US","phone":"7015571574","fax":"7015571649"}],"license":{"state":"ND","number":"ND602"},"identifiers":[{"type_code":"01","label":"Other","value":"P00136359","state":"ND","issuer":"RAILROAD MEDICARE"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20081009000216","type_code":"14-41","type_desc":"PRACTITIONER - OPTOMETRY","state":"ND","pac_id":"8123196706"}]},"enumeration_date":"2007-01-31","last_updated":"2026-02-20","_meta":{"source":"NPPES","snapshot_date":"2026-02-20","doc_url":"https://findmynpi.com/api"}}