{"npi":"1912932807","type":"NPI-1","status":"active","name":{"display":"Dr. Jeffrey Dzik O.D.","other":[],"first":"JEFFREY","last":"DZIK","middle":"D","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":"IL","license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"2111 CLAUDE BAILEY PKWY","city":"PRINCETON","state":"IL","postal_code":"613568618","country_code":"US","phone":"8158754521"},{"purpose":"MAILING","street_1":"3 KIMBERLY","city":"SPRING VALLEY","state":"IL","postal_code":"61362","country_code":"US"}],"license":null,"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20060831000031","type_code":"14-41","type_desc":"PRACTITIONER - OPTOMETRY","state":"IL","pac_id":"4981608106"}]},"enumeration_date":"2006-07-11","last_updated":"2007-07-08","_meta":{"source":"NPPES","snapshot_date":"2007-07-08","doc_url":"https://findmynpi.com/api"}}