{"result_count":1,"results":[{"addresses":[{"address_1":"301 UNIVERSITY BLVD","address_purpose":"MAILING","address_type":"DOM","city":"GALVESTON","country_code":"US","country_name":"United States","fax_number":"409-772-5064","postal_code":"775555302","state":"TX","telephone_number":"409-772-1902"},{"address_1":"915 GESSNER RD STE 720","address_purpose":"LOCATION","address_type":"DOM","city":"HOUSTON","country_code":"US","country_name":"United States","postal_code":"770242530","state":"TX","telephone_number":"713-830-9100"}],"basic":{"certification_date":"2025-11-18","credential":"M.D.","enumeration_date":"2006-07-11","first_name":"DAVID","last_name":"CALLENDER","last_updated":"2025-11-18","middle_name":"L","name_prefix":"Dr.","name_suffix":"--","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1152657204000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"01","desc":"Other (non-Medicare)","identifier":"00C517200","issuer":"ppin #","state":"CA"}],"last_updated_epoch":"1763487996000","number":"1518992411","other_names":[],"practiceLocations":[{"address_1":"301 UNIVERSITY BLVD","address_purpose":"LOCATION","address_type":"DOM","city":"GALVESTON","country_code":"US","country_name":"United States","fax_number":"409-772-5064","postal_code":"775555302","state":"TX","telephone_number":"409-772-1902"}],"taxonomies":[{"code":"207Y00000X","desc":"Otolaryngology","license":"G8030","primary":true,"state":"TX","taxonomy_group":""},{"code":"207Y00000X","desc":"Otolaryngology","license":"C51720","primary":false,"state":"CA","taxonomy_group":""}]}]}