{"result_count":1,"results":[{"addresses":[{"address_1":"5209 EDGEWOOD RD","address_purpose":"MAILING","address_type":"DOM","city":"LITTLE ROCK","country_code":"US","country_name":"United States","fax_number":"501-280-4140","postal_code":"722075413","state":"AR","telephone_number":"501-663-3902"},{"address_1":"POB 1437 SLOT H-61","address_2":"ARKANSAS DEPT OF HEALTH","address_purpose":"LOCATION","address_type":"DOM","city":"LITTLE ROCK","country_code":"US","country_name":"United States","fax_number":"501-280-4140","postal_code":"722031437","state":"AR","telephone_number":"501-280-4127"}],"basic":{"credential":"md","enumeration_date":"2006-12-26","first_name":"WILLIAM","last_name":"MASON","last_updated":"2025-09-11","middle_name":"LEE","name_prefix":"Dr.","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1167142978000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1757623214000","number":"1104981737","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207RP1001X","desc":"Internal Medicine, Pulmonary Disease","license":"c-4212","primary":false,"state":"AR","taxonomy_group":""},{"code":"2083P0901X","desc":"Preventive Medicine, Public Health & General Preventive Medicine","license":"c-4212","primary":true,"state":"AR","taxonomy_group":""}]}]}