{"result_count":1,"results":[{"addresses":[{"address_1":"11155 DUNN RD STE 304E","address_purpose":"MAILING","address_type":"DOM","city":"SAINT LOUIS","country_code":"US","country_name":"United States","fax_number":"314-741-0501","postal_code":"631366111","state":"MO","telephone_number":"314-741-0911"},{"address_1":"11155 DUNN RD","address_2":"SUITE 304E","address_purpose":"LOCATION","address_type":"DOM","city":"SAINT LOUIS","country_code":"US","country_name":"United States","fax_number":"314-741-0501","postal_code":"631366150","state":"MO","telephone_number":"314-741-0911"}],"basic":{"certification_date":"2026-04-19","credential":"M.D.","enumeration_date":"2006-07-26","first_name":"USMAN","last_name":"QAYYUM","last_updated":"2026-04-19","name_prefix":"Dr.","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1153930305000","endpoints":[{"address_1":"11155 Dunn Rd","address_2":"Suite 304E","address_type":"DOM","affiliation":"N","city":"Saint Louis","contentTypeDescription":"","country_code":"US","country_name":"United States","endpoint":"usmanqayyum@slhv.medalliesdirect.net","endpointType":"DIRECT","endpointTypeDescription":"Direct Messaging Address","postal_code":"631366150","state":"MO","use":"DIRECT","useDescription":"Direct"},{"address_1":"11133 Dunn Rd","address_type":"DOM","affiliation":"Y","affiliationName":"Christian Hospital Northeast- Northwest","city":"Saint Louis","contentOtherDescription":"API","contentType":"OTHER","contentTypeDescription":"Other","country_code":"US","country_name":"United States","endpoint":"https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/","endpointType":"FHIR","endpointTypeDescription":"FHIR URL","postal_code":"631366119","state":"MO","useDescription":""},{"address_1":"11155 Dunn Rd","address_2":"Suite 304E","address_type":"DOM","affiliation":"Y","affiliationName":"Christian Hospital Northeast- Northwest","city":"Saint Louis","contentType":"CSV","contentTypeDescription":"CSV","country_code":"US","country_name":"United States","endpoint":"https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/","endpointType":"FHIR","endpointTypeDescription":"FHIR URL","postal_code":"631366150","state":"MO","use":"HIE","useDescription":"Health Information Exchange (HIE)"}],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"208326116","issuer":null,"state":"MO"},{"code":"05","desc":"MEDICAID","identifier":"36100225","issuer":null,"state":"IL"}],"last_updated_epoch":"1776634757000","number":"1992728000","other_names":[],"practiceLocations":[{"address_1":"3550 MCKELVEY RD","address_purpose":"LOCATION","address_type":"DOM","city":"BRIDGETON","country_code":"US","country_name":"United States","fax_number":"314-741-0501","postal_code":"630442527","state":"MO","telephone_number":"314-741-0911"},{"address_1":"2120 MADISON AVE STE 101","address_purpose":"LOCATION","address_type":"DOM","city":"GRANITE CITY","country_code":"US","country_name":"United States","fax_number":"618-451-9111","postal_code":"620404746","state":"IL","telephone_number":"618-876-8214"},{"address_1":"6000 HOSPITAL DR","address_purpose":"LOCATION","address_type":"DOM","city":"HANNIBAL","country_code":"US","country_name":"United States","fax_number":"573-248-5264","postal_code":"634016887","state":"MO","telephone_number":"573-406-5888"}],"taxonomies":[{"code":"207RC0000X","desc":"Internal Medicine, Cardiovascular Disease","license":"2003007575","primary":false,"state":"MO","taxonomy_group":""},{"code":"207RI0011X","desc":"Internal Medicine, Interventional Cardiology","license":"2003007575","primary":true,"state":"MO","taxonomy_group":""},{"code":"207RC0000X","desc":"Internal Medicine, Cardiovascular Disease","license":"036100225","primary":false,"state":"IL","taxonomy_group":""},{"code":"207RI0011X","desc":"Internal Medicine, Interventional Cardiology","license":"036100225","primary":false,"state":"IL","taxonomy_group":""}]}]}