{"result_count":1,"results":[{"addresses":[{"address_1":"479 OLD UNION TPKE","address_purpose":"LOCATION","address_type":"DOM","city":"LANCASTER","country_code":"US","country_name":"United States","fax_number":"978-537-6030","postal_code":"015233029","state":"MA","telephone_number":"978-537-3900"},{"address_1":"479 OLD UNION TPKE","address_purpose":"MAILING","address_type":"DOM","city":"LANCASTER","country_code":"US","country_name":"United States","fax_number":"978-537-6030","postal_code":"015233029","state":"MA","telephone_number":"978-537-3900"}],"basic":{"certification_date":"2026-08-12","enumeration_date":"2026-03-17","first_name":"HUAYU","last_name":"CHAI","last_updated":"2026-08-12","name_prefix":"Dr.","sex":"F","sole_proprietor":"NO","status":"A"},"created_epoch":"1773754223000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1786556012000","number":"1588512677","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"152W00000X","desc":"Optometrist","license":"OPT8404","primary":true,"state":"MA","taxonomy_group":""}]}]}