{"result_count":1,"results":[{"addresses":[{"address_1":"12502 WILLOWBROOK RD","address_purpose":"LOCATION","address_type":"DOM","city":"CUMBERLAND","country_code":"US","country_name":"United States","fax_number":"240-964-8942","postal_code":"215026491","state":"MD","telephone_number":"240-964-8944"},{"address_1":"12502 WILLOWBROOK RD","address_purpose":"MAILING","address_type":"DOM","city":"CUMBERLAND","country_code":"US","country_name":"United States","fax_number":"240-964-8942","postal_code":"215026491","state":"MD","telephone_number":"240-964-8944"}],"basic":{"certification_date":"2026-05-11","credential":"MD","enumeration_date":"2011-10-25","first_name":"ANDREA","last_name":"CHAMCZUK","last_updated":"2026-05-11","middle_name":"JENNIFER","name_prefix":"Dr.","sex":"F","sole_proprietor":"NO","status":"A"},"created_epoch":"1319530141000","endpoints":[{"address_1":"600 Grant St","address_2":"Floor 58","address_type":"DOM","affiliation":"N","city":"Pittsburgh","contentTypeDescription":"","country_code":"US","country_name":"United States","endpoint":"andrea.j.chamczuk@upmcdirect.com","endpointType":"DIRECT","endpointTypeDescription":"Direct Messaging Address","postal_code":"152192702","state":"PA","useDescription":""}],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"01425552","issuer":null,"state":"MS"},{"code":"05","desc":"MEDICAID","identifier":"137129","issuer":null,"state":"AL"},{"code":"01","desc":"Other (non-Medicare)","identifier":"P01212534","issuer":"RR MCR","state":"MS"},{"code":"01","desc":"Other (non-Medicare)","identifier":"P01212534","issuer":"Railroad Medicare","state":"MS"}],"last_updated_epoch":"1778513475000","number":"1831475730","other_names":[],"practiceLocations":[],"taxonomies":[{"code":"207T00000X","desc":"Neurological Surgery","license":"D0102864","primary":true,"state":"MD","taxonomy_group":""}]}]}