{"result_count":1,"results":[{"addresses":[{"address_1":"1229 C AVE E","address_purpose":"LOCATION","address_type":"DOM","city":"OSKALOOSA","country_code":"US","country_name":"United States","postal_code":"525774298","state":"IA","telephone_number":"641-672-3394"},{"address_1":"1229 C AVE E","address_purpose":"MAILING","address_type":"DOM","city":"OSKALOOSA","country_code":"US","country_name":"United States","fax_number":"641-672-3336","postal_code":"525774298","state":"IA","telephone_number":"641-672-3394"}],"basic":{"certification_date":"2026-01-28","credential":"M.D.","enumeration_date":"2007-05-29","first_name":"RONALD","last_name":"COLLINS","last_updated":"2026-01-28","middle_name":"BENJAMIN","name_prefix":"Dr.","name_suffix":"Jr.","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1180445781000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[{"code":"05","desc":"MEDICAID","identifier":"036119753","issuer":null,"state":"IL"},{"code":"05","desc":"MEDICAID","identifier":"1669420501","issuer":null,"state":"IA"},{"code":"01","desc":"Other (non-Medicare)","identifier":"809840","issuer":"Medicare Group PTAN","state":"IL"},{"code":"01","desc":"Other (non-Medicare)","identifier":"CA4079","issuer":"RR Medicare Group PTAN","state":"IL"},{"code":"01","desc":"Other (non-Medicare)","identifier":"I17380","issuer":"Medicare PTAN","state":"IA"},{"code":"01","desc":"Other (non-Medicare)","identifier":"P00617107","issuer":"RR Medicare Member PTAN","state":"IL"}],"last_updated_epoch":"1769637274000","number":"1851592018","other_names":[],"practiceLocations":[{"address_1":"210 4TH AVE","address_purpose":"LOCATION","address_type":"DOM","city":"GRINNELL","country_code":"US","country_name":"United States","postal_code":"501121898","state":"IA","telephone_number":"641-236-2382"}],"taxonomies":[{"code":"207R00000X","desc":"Internal Medicine","license":"39422","primary":true,"state":"IA","taxonomy_group":""},{"code":"207R00000X","desc":"Internal Medicine","license":"125050346","primary":false,"state":"IL","taxonomy_group":""}]}]}