{"result_count":1,"results":[{"addresses":[{"address_1":"PO BOX 7412011","address_purpose":"MAILING","address_type":"DOM","city":"CHICAGO","country_code":"US","country_name":"United States","fax_number":"314-362-5470","postal_code":"606742011","state":"IL","telephone_number":"314-362-7603"},{"address_1":"4921 PARKVIEW PL","address_2":"DIV IM NEPHROLOGY, STE 5C","address_purpose":"LOCATION","address_type":"DOM","city":"SAINT LOUIS","country_code":"US","country_name":"United States","fax_number":"314-362-5470","postal_code":"631101032","state":"MO","telephone_number":"314-362-7603"}],"basic":{"credential":"MD","enumeration_date":"2012-06-01","first_name":"MASSINI","last_name":"MERZKANI","last_updated":"2025-04-17","middle_name":"ALEXANDER","name_prefix":"Dr.","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1338594306000","endpoints":[{"address_1":"4921 Parkview Pl","address_2":"Div IM Nephrology, Ste 5C","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":"631101032","state":"MO","useDescription":""}],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"200084534","issuer":null,"state":"MO"}],"last_updated_epoch":"1744909642000","number":"1184985566","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207R00000X","desc":"Internal Medicine","license":"2020012683","primary":false,"state":"MO","taxonomy_group":""},{"code":"207RN0300X","desc":"Internal Medicine, Nephrology","license":"2020012683","primary":true,"state":"MO","taxonomy_group":""}]}]}