{"npi":"1104973205","type":"NPI-1","status":"active","name":{"display":"James Mattern O.D.","other":[],"first":"JAMES","last":"MATTERN","middle":"W","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":"VA","license":"0618000912"}]},"addresses":[{"purpose":"LOCATION","street_1":"3025 HAMAKER CT STE 101","city":"FAIRFAX","state":"VA","postal_code":"220312229","country_code":"US","phone":"7038769630","fax":"7038760163"},{"purpose":"MAILING","street_1":"3025 HAMAKER CT","city":"FAIRFAX","state":"VA","postal_code":"220312237","country_code":"US","street_2":"SUITE # 101","phone":"7038769630","fax":"7038760163"}],"license":{"state":"VA","number":"0618000912"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"009237071","state":"VA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20120614000240","type_code":"14-41","type_desc":"PRACTITIONER - OPTOMETRY","state":"DC","pac_id":"4284898610"}]},"enumeration_date":"2007-01-04","last_updated":"2012-04-03","_meta":{"source":"NPPES","snapshot_date":"2012-04-03","doc_url":"https://findmynpi.com/api"}}