{"npi":"1780189712","type":"NPI-1","status":"active","name":{"display":"Margaret Kistner MD","other":[],"first":"MARGARET","last":"KISTNER","middle":"BROWN","credential":"MD"},"specialty":{"primary_taxonomy":"207V00000X","primary_taxonomy_description":"Obstetrics & Gynecology","slug":"ob-gyn","schema_org_specialty":"Obstetric","all":[{"code":"207V00000X","description":"Obstetrics & Gynecology","primary":true,"state":"IL","license":"PENDING"}]},"addresses":[{"purpose":"LOCATION","street_1":"680 N LAKE SHORE DR STE 1200","city":"CHICAGO","state":"IL","postal_code":"606118702","country_code":"US","phone":"3124409400"},{"purpose":"MAILING","street_1":"2853 N AVERS AVE","city":"CHICAGO","state":"IL","postal_code":"606187203","country_code":"US","phone":"3142558516"}],"license":{"state":"IL","number":"PENDING"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20221111002365","type_code":"14-16","type_desc":"PRACTITIONER - OBSTETRICS/GYNECOLOGY","state":"IL","pac_id":"8527318260"}]},"enumeration_date":"2018-03-30","last_updated":"2022-06-24","_meta":{"source":"NPPES","snapshot_date":"2022-06-24","doc_url":"https://findmynpi.com/api"}}