{"result_count":1,"results":[{"addresses":[{"address_1":"161 JACKSON ST","address_purpose":"LOCATION","address_type":"DOM","city":"LOWELL","country_code":"US","country_name":"United States","fax_number":"978-221-6728","postal_code":"018522103","state":"MA","telephone_number":"978-937-9700"},{"address_1":"46 SUNSET RD","address_purpose":"MAILING","address_type":"DOM","city":"NEEDHAM","country_code":"US","country_name":"United States","postal_code":"024941452","state":"MA","telephone_number":"773-322-9949"}],"basic":{"certification_date":"2024-01-03","credential":"M.D.","enumeration_date":"2009-04-03","first_name":"MARGARITA","last_name":"CASTRO-ZARRAGA","last_updated":"2024-01-03","middle_name":"C","name_prefix":"Dr.","sex":"F","sole_proprietor":"NO","status":"A"},"created_epoch":"1238785796000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"110028187A","issuer":null,"state":"MA"}],"last_updated_epoch":"1704289368000","number":"1578705679","other_names":[{"code":"1","credential":"M.D.","first_name":"MARGARITA","last_name":"CASTRO","middle_name":"CASTRO","prefix":"Dr.","suffix":"--","type":"Former Name"}],"practiceLocations":[{"address_1":"275 NICHOLS RD","address_purpose":"LOCATION","address_type":"DOM","city":"FITCHBURG","country_code":"US","country_name":"United States","fax_number":"978-665-5922","postal_code":"014201919","state":"MA","telephone_number":"978-878-8300"}],"taxonomies":[{"code":"207Q00000X","desc":"Family Medicine","license":"251722","primary":true,"state":"MA","taxonomy_group":""}]}]}