{"result_count":1,"results":[{"addresses":[{"address_1":"8260 WILLOW OAKS CORPORATE DR","address_purpose":"MAILING","address_type":"DOM","city":"FAIRFAX","country_code":"US","country_name":"United States","fax_number":"703-573-4856","postal_code":"220314513","state":"VA","telephone_number":"703-573-0504"},{"address_1":"8260 WILLOW OAKS CORPORATE DR","address_purpose":"LOCATION","address_type":"DOM","city":"FAIRFAX","country_code":"US","country_name":"United States","fax_number":"703-573-4856","postal_code":"220314513","state":"VA","telephone_number":"703-573-0504"}],"basic":{"certification_date":"2025-12-03","credential":"MD","enumeration_date":"2017-06-14","first_name":"DAVID","last_name":"HARRISON","last_updated":"2025-12-03","middle_name":"J","sex":"M","sole_proprietor":"YES","status":"A"},"created_epoch":"1497462281000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1764788626000","number":"1073043808","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"2080P0202X","desc":"Pediatrics, Pediatric Cardiology","license":"274381","primary":true,"state":"MA","taxonomy_group":""},{"code":"2080P0202X","desc":"Pediatrics, Pediatric Cardiology","license":"24769","primary":false,"state":"NH","taxonomy_group":""},{"code":"207RA0002X","desc":"Internal Medicine, Adult Congenital Heart Disease","license":"274381","primary":false,"state":"MA","taxonomy_group":""}]}]}