{"result_count":1,"results":[{"addresses":[{"address_1":"PO BOX 255228","address_purpose":"MAILING","address_type":"DOM","city":"SACRAMENTO","country_code":"US","country_name":"United States","fax_number":"916-854-6769","postal_code":"958655228","state":"CA","telephone_number":"800-470-0071"},{"address_1":"3161 L ST","address_purpose":"LOCATION","address_type":"DOM","city":"SACRAMENTO","country_code":"US","country_name":"United States","fax_number":"916-736-5533","postal_code":"958165234","state":"CA","telephone_number":"916-878-3495"}],"basic":{"certification_date":"2025-11-14","credential":"M.D.","enumeration_date":"2006-07-16","first_name":"HAROLD","last_name":"KEYSERLING","last_updated":"2025-11-14","middle_name":"FLETCHER","name_prefix":"Dr.","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1153100148000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1763158023000","number":"1023035995","other_names":[],"practiceLocations":[{"address_1":"1670 CLAIRMONT RD","address_purpose":"LOCATION","address_type":"DOM","city":"DECATUR","country_code":"US","country_name":"United States","postal_code":"300334004","state":"GA","telephone_number":"404-321-6111"}],"taxonomies":[{"code":"2085D0003X","desc":"Radiology, Diagnostic Neuroimaging","license":"C198022","primary":true,"state":"CA","taxonomy_group":""},{"code":"2085R0202X","desc":"Radiology, Diagnostic Radiology","license":"782376","primary":false,"state":"CA","taxonomy_group":""},{"code":"2085N0700X","desc":null,"license":"200201269","primary":false,"state":"NC","taxonomy_group":""},{"code":"2085N0700X","desc":null,"license":"782376","primary":false,"state":"CA","taxonomy_group":""}]}]}