{"result_count":1,"results":[{"addresses":[{"address_1":"1255 GRAHAM RD","address_2":"DIV IM MEDICAL ONCOLOGY, STE 101","address_purpose":"LOCATION","address_type":"DOM","city":"FLORISSANT","country_code":"US","country_name":"United States","fax_number":"314-362-3192","postal_code":"630318014","state":"MO","telephone_number":"800-647-2098"},{"address_1":"PO BOX 7412011","address_purpose":"MAILING","address_type":"DOM","city":"CHICAGO","country_code":"US","country_name":"United States","fax_number":"314-362-3192","postal_code":"606742011","state":"IL","telephone_number":"800-647-2098"}],"basic":{"credential":"MD","enumeration_date":"2013-06-05","first_name":"HAOBIN","last_name":"CHEN","last_updated":"2025-04-15","name_prefix":"Dr.","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1370435811000","endpoints":[{"address_1":"1255 Graham Rd","address_2":"Div IM Medical Oncology, Ste 101","address_type":"DOM","affiliation":"Y","affiliationName":"Washington University","city":"Florissant","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":"630318014","state":"MO","useDescription":""}],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"200115892","issuer":null,"state":"MO"}],"last_updated_epoch":"1744750186000","number":"1023456712","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207R00000X","desc":"Internal Medicine","license":"2022038557","primary":false,"state":"MO","taxonomy_group":""},{"code":"207RX0202X","desc":"Internal Medicine, Medical Oncology","license":"2022038557","primary":true,"state":"MO","taxonomy_group":""}]}]}