{"result_count":1,"results":[{"addresses":[{"address_1":"1934 ALCOA HIGHWAY","address_2":"BLDG D, SUITE 370","address_purpose":"MAILING","address_type":"DOM","city":"KNOXVILLE","country_code":"US","country_name":"United States","fax_number":"865-305-8840","postal_code":"37920","state":"TN","telephone_number":"865-305-5335"},{"address_1":"1934 ALCOA HIGHWAY","address_2":"BLDG D, SUITE 370","address_purpose":"LOCATION","address_type":"DOM","city":"KNOXVILLE","country_code":"US","country_name":"United States","fax_number":"865-305-8840","postal_code":"37920","state":"TN","telephone_number":"865-305-5335"}],"basic":{"credential":"M.D.","enumeration_date":"2007-04-24","first_name":"MARK","last_name":"CASILLAS","last_updated":"2014-02-04","middle_name":"A.","name_prefix":"--","name_suffix":"Jr.","sex":"M","sole_proprietor":"YES","status":"A"},"created_epoch":"1177418099000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1391551301000","number":"1245458082","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"208600000X","desc":"Surgery","license":"LP00968","primary":true,"state":"RI","taxonomy_group":""},{"code":"208C00000X","desc":"Colon & Rectal Surgery","license":"48676","primary":false,"state":"TN","taxonomy_group":""}]}]}