{"result_count":1,"results":[{"addresses":[{"address_1":"759 CHESTNUT ST WESSON GROUND FLOOR - SLEEP MEDICINE","address_purpose":"LOCATION","address_type":"DOM","city":"SPRINGFIELD","country_code":"US","country_name":"United States","fax_number":"413-787-5713","postal_code":"011991112","state":"MA","telephone_number":"413-794-5600"},{"address_1":"280 CHESTNUT STREET","address_2":"2ND FLOOR","address_purpose":"MAILING","address_type":"DOM","city":"SPRINGFIELD","country_code":"US","country_name":"United States","postal_code":"011991001","state":"MA","telephone_number":"413-794-5700"}],"basic":{"certification_date":"2024-04-18","credential":"DO","enumeration_date":"2019-03-23","first_name":"RICHARD","last_name":"ZHENG","last_updated":"2024-04-18","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1553370590000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1713449579000","number":"1538629613","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"2080S0012X","desc":"Pediatrics, Sleep Medicine","license":"1014519","primary":true,"state":"MA","taxonomy_group":""}]}]}