{"npi":"1396716163","type":"NPI-1","status":"active","name":{"display":"Dr. John Groll M.D.","other":[],"first":"JOHN","last":"GROLL","middle":"R","credential":"M.D."},"specialty":{"primary_taxonomy":"207RC0000X","primary_taxonomy_description":"Cardiovascular Disease","slug":"cardiology","schema_org_specialty":"Cardiovascular","all":[{"code":"174400000X","description":"Specialist","primary":false,"state":"MO","license":"R8J11"},{"code":"207RC0000X","description":"Cardiovascular Disease","primary":true,"state":"IL","license":"036-094904"}]},"addresses":[{"purpose":"LOCATION","street_1":"1900 STATE ST","city":"CHESTER","state":"IL","postal_code":"622331116","country_code":"US","phone":"6188264581","fax":"3188265152"},{"purpose":"MAILING","street_1":"1028 S KIRKWOOD RD STE A","city":"KIRKWOOD","state":"MO","postal_code":"631227222","country_code":"US","phone":"3144415609","fax":"3142880519"}],"license":{"state":"IL","number":"036-094904"},"identifiers":[],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20031117000133","type_code":"14-06","type_desc":"PRACTITIONER - CARDIOVASCULAR DISEASE (CARDIOLOGY)","state":"IL","pac_id":"9133033905"}]},"enumeration_date":"2006-01-30","last_updated":"2023-07-20","_meta":{"source":"NPPES","snapshot_date":"2023-07-20","doc_url":"https://findmynpi.com/api"}}