{"result_count":1,"results":[{"addresses":[{"address_1":"490 ILLINOIS ST","address_purpose":"LOCATION","address_type":"DOM","city":"SAN FRANCISCO","country_code":"US","country_name":"United States","postal_code":"94158","state":"CA","telephone_number":"415-353-2800"},{"address_1":"625 8TH ST UNIT 407","address_purpose":"MAILING","address_type":"DOM","city":"SAN FRANCISCO","country_code":"US","country_name":"United States","postal_code":"941035289","state":"CA"}],"basic":{"certification_date":"2025-08-13","credential":"OD","enumeration_date":"2025-02-18","first_name":"MICHAEL","last_name":"CHANG","last_updated":"2025-08-15","middle_name":"LING","sex":"M","sole_proprietor":"YES","status":"A"},"created_epoch":"1739876422000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1755277674000","number":"1811792435","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"152W00000X","desc":"Optometrist","license":"OPT35749","primary":true,"state":"CA","taxonomy_group":""}]}]}