{"result_count":1,"results":[{"addresses":[{"address_1":"1201 S GRAND BLVD","address_purpose":"MAILING","address_type":"DOM","city":"SAINT LOUIS","country_code":"US","country_name":"United States","postal_code":"631041016","state":"MO"},{"address_1":"1201 S GRAND BLVD","address_purpose":"LOCATION","address_type":"DOM","city":"SAINT LOUIS","country_code":"US","country_name":"United States","postal_code":"631041016","state":"MO","telephone_number":"314-617-2000"}],"basic":{"certification_date":"2025-07-25","credential":"MD","enumeration_date":"2015-06-30","first_name":"CHARLES","last_name":"BAYSINGER","last_updated":"2025-07-25","middle_name":"WADE","name_prefix":"Dr.","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1435710329000","endpoints":[{"address_1":"1 Barnes Jewish Hospital Plz","address_2":"Dept Anesthesiology","address_type":"DOM","affiliation":"Y","affiliationName":"Washington University","city":"Saint Louis","contentTypeDescription":"","country_code":"US","country_name":"United States","endpoint":"https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/","endpointType":"FHIR","endpointTypeDescription":"FHIR URL","postal_code":"631101003","state":"MO","useDescription":""}],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"200115663","issuer":null,"state":"MO"}],"last_updated_epoch":"1753473304000","number":"1205219912","other_names":[],"practiceLocations":[{"address_1":"1 BARNES JEWISH HOSPITAL PLZ","address_2":"DEPT ANESTHESIOLOGY","address_purpose":"LOCATION","address_type":"DOM","city":"SAINT LOUIS","country_code":"US","country_name":"United States","fax_number":"314-362-1185","postal_code":"631101003","state":"MO","telephone_number":"800-862-9980"}],"taxonomies":[{"code":"207L00000X","desc":"Anesthesiology","license":"2022034933","primary":false,"state":"MO","taxonomy_group":""},{"code":"207LC0200X","desc":"Anesthesiology, Critical Care Medicine","license":"2022034933","primary":true,"state":"MO","taxonomy_group":""}]}]}