{"npi":"1124318837","type":"NPI-1","status":"active","name":{"display":"Dr. Ryan Bartkus M.D.","other":[],"first":"RYAN","last":"BARTKUS","middle":"PETER","credential":"M.D."},"specialty":{"primary_taxonomy":"207QG0300X","primary_taxonomy_description":"Family Medicine, Geriatric Medicine","slug":"family-medicine-geriatric","schema_org_specialty":"Geriatric","all":[{"code":"207QG0300X","description":"Family Medicine, Geriatric Medicine","primary":true,"state":"IL","license":"036149082"}]},"addresses":[{"purpose":"LOCATION","street_1":"800 BIESTERFIELD RD STE 605","city":"ELK GROVE VILLAGE","state":"IL","postal_code":"600073362","country_code":"US","phone":"8473646724"},{"purpose":"MAILING","street_1":"800 BIESTERFIELD RD STE 605","city":"ELK GROVE VILLAGE","state":"IL","postal_code":"600073362","country_code":"US","phone":"8473646724"}],"license":{"state":"IL","number":"036149082"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20190715001207","type_code":"14-38","type_desc":"PRACTITIONER - GERIATRIC MEDICINE","state":"IL","pac_id":"7517187289"}]},"enumeration_date":"2011-04-14","last_updated":"2020-11-04","_meta":{"source":"NPPES","snapshot_date":"2020-11-04","doc_url":"https://findmynpi.com/api"}}