{"npi":"1255387692","type":"NPI-1","status":"active","name":{"display":"Dr. Helen Mussemann M.D.","other":[],"first":"HELEN","last":"MUSSEMANN","credential":"M.D."},"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":"036102312"}]},"addresses":[{"purpose":"LOCATION","street_1":"180 S 3RD ST","city":"BELLEVILLE","state":"IL","postal_code":"622201952","country_code":"US","street_2":"SUITE 200","phone":"6182330017","fax":"6182330251"},{"purpose":"MAILING","street_1":"180 S 3RD ST","city":"BELLEVILLE","state":"IL","postal_code":"622201952","country_code":"US","street_2":"SUITE 200","phone":"6182330017","fax":"6182330251"}],"license":{"state":"IL","number":"036102312"},"identifiers":[{"type_code":"01","label":"Other","value":"12014V3948","state":"IL","issuer":"GROUP HEALTH PLAN"},{"type_code":"01","label":"Other","value":"437419","state":"IL","issuer":"HEALTHLINK"},{"type_code":"01","label":"Other","value":"8215125","state":"IL","issuer":"BLUE CROSS BLUE SHIELD"},{"type_code":"01","label":"Other","value":"0701230","state":"IL","issuer":"UHC MEDICARE COMPLETE"},{"type_code":"01","label":"Other","value":"160050128","state":"IL","issuer":"RAILROAD MEDICARE"},{"type_code":"05","label":"Medicaid","value":"036102312","state":"IL","issuer":null},{"type_code":"01","label":"Other","value":"130304","state":"MO","issuer":"ALLIANCE BC/BS"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20100203000374","type_code":"14-16","type_desc":"PRACTITIONER - OBSTETRICS/GYNECOLOGY","state":"IL","pac_id":"5294803870"}]},"enumeration_date":"2006-05-26","last_updated":"2008-03-19","_meta":{"source":"NPPES","snapshot_date":"2008-03-19","doc_url":"https://findmynpi.com/api"}}