{"result_count":1,"results":[{"addresses":[{"address_1":"PO BOX 417668","address_purpose":"MAILING","address_type":"DOM","city":"BOSTON","country_code":"US","country_name":"United States","fax_number":"484-924-0053","postal_code":"022417668","state":"MA","telephone_number":"610-644-8900"},{"address_1":"201 DUNN RD","address_purpose":"LOCATION","address_type":"DOM","city":"FLORISSANT","country_code":"US","country_name":"United States","postal_code":"630317928","state":"MO","telephone_number":"314-830-3841"}],"basic":{"certification_date":"2025-08-13","credential":"MD","enumeration_date":"2006-01-18","first_name":"ALEJANDRO","last_name":"ALVAREZ","last_updated":"2025-08-13","name_prefix":"Dr.","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1137614762000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"205959406","issuer":null,"state":"MO"}],"last_updated_epoch":"1755087591000","number":"1508846304","other_names":[],"practiceLocations":[{"address_1":"1011 BOWLES AVE STE 220","address_purpose":"LOCATION","address_type":"DOM","city":"FENTON","country_code":"US","country_name":"United States","fax_number":"636-326-1545","postal_code":"630262384","state":"MO","telephone_number":"636-681-3030"},{"address_1":"450 N NEW BALLAS RD STE 204","address_purpose":"LOCATION","address_type":"DOM","city":"SAINT LOUIS","country_code":"US","country_name":"United States","fax_number":"314-991-0603","postal_code":"631416836","state":"MO","telephone_number":"314-991-0137"}],"taxonomies":[{"code":"207RN0300X","desc":"Internal Medicine, Nephrology","license":"2002011236","primary":true,"state":"MO","taxonomy_group":""}]}]}