{"result_count":1,"results":[{"addresses":[{"address_1":"300 MEDICAL PLAZA","address_purpose":"LOCATION","address_type":"DOM","city":"LOS ANGELES","country_code":"US","country_name":"United States","fax_number":"310-825-7245","postal_code":"900950001","state":"CA","telephone_number":"310-825-5111"},{"address_1":"PO BOX 22224","address_purpose":"MAILING","address_type":"DOM","city":"BELFAST","country_code":"US","country_name":"United States","fax_number":"888-902-1099","postal_code":"049154473","state":"ME","telephone_number":"884-027-2568"}],"basic":{"certification_date":"2025-06-27","credential":"M.D., Ph.D.","enumeration_date":"2007-01-19","first_name":"GEOFFREY","last_name":"COLBY","last_updated":"2025-06-27","middle_name":"P.","name_prefix":"Dr.","sex":"M","sole_proprietor":"YES","status":"A"},"created_epoch":"1169213173000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1751050362000","number":"1144373739","other_names":[],"practiceLocations":[{"address_1":"757 WESTWOOD PLZ","address_purpose":"LOCATION","address_type":"DOM","city":"LOS ANGELES","country_code":"US","country_name":"United States","fax_number":"310-794-9035","postal_code":"900950001","state":"CA","telephone_number":"310-301-6800"},{"address_1":"27235 TOURNEY RD STE 2500","address_purpose":"LOCATION","address_type":"DOM","city":"VALENCIA","country_code":"US","country_name":"United States","fax_number":"310-825-7245","postal_code":"913555908","state":"CA","telephone_number":"310-825-5111"},{"address_1":"6567 E CARONDELET DR STE 305","address_purpose":"LOCATION","address_type":"DOM","city":"TUCSON","country_code":"US","country_name":"United States","postal_code":"857106160","state":"AZ","telephone_number":"520-881-8400"}],"taxonomies":[{"code":"207T00000X","desc":"Neurological Surgery","license":"74356","primary":false,"state":"AZ","taxonomy_group":""},{"code":"207T00000X","desc":"Neurological Surgery","license":"A149100","primary":true,"state":"CA","taxonomy_group":""}]}]}