{"result_count":1,"results":[{"addresses":[{"address_1":"1500 S FAIRFIELD AVE","address_purpose":"LOCATION","address_type":"DOM","city":"CHICAGO","country_code":"US","country_name":"United States","postal_code":"606081782","state":"IL","telephone_number":"773-542-2000"},{"address_1":"1219 TORREY PINES CT","address_purpose":"MAILING","address_type":"DOM","city":"NAPERVILLE","country_code":"US","country_name":"United States","postal_code":"605401400","state":"IL","telephone_number":"630-386-7186"}],"basic":{"certification_date":"2025-07-30","credential":"DO","enumeration_date":"2022-06-07","first_name":"ZAIN","last_name":"AHSAN","last_updated":"2025-07-30","middle_name":"BIN","sex":"M","sole_proprietor":"YES","status":"A"},"created_epoch":"1654635520000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1753890263000","number":"1740919588","other_names":[],"practiceLocations":[{"address_1":"5700 AZ-90","address_purpose":"LOCATION","address_type":"DOM","city":"SIERRA VISTA","country_code":"US","country_name":"United States","postal_code":"85635","state":"AZ","telephone_number":"520-263-2000"}],"taxonomies":[{"code":"207R00000X","desc":"Internal Medicine","license":"R3747","primary":false,"state":"AZ","taxonomy_group":""},{"code":"207R00000X","desc":"Internal Medicine","license":"036176169","primary":true,"state":"IL","taxonomy_group":""}]}]}