{"result_count":1,"results":[{"addresses":[{"address_1":"3955 PATIENT CARE DR STE A","address_purpose":"MAILING","address_type":"DOM","city":"LANSING","country_code":"US","country_name":"United States","fax_number":"885-480-9150","postal_code":"489114271","state":"MI","telephone_number":"517-374-7600"},{"address_1":"2900 COLLINS RD","address_purpose":"LOCATION","address_type":"DOM","city":"LANSING","country_code":"US","country_name":"United States","postal_code":"489108394","state":"MI","telephone_number":"517-975-6000"}],"basic":{"certification_date":"2026-01-14","credential":"MD","enumeration_date":"2021-04-02","first_name":"MICHAEL","last_name":"AHRENS","last_updated":"2026-01-14","middle_name":"LEROY","sex":"M","sole_proprietor":"NO","status":"A"},"created_epoch":"1617381010000","endpoints":[],"enumeration_type":"NPI-1","identifiers":[],"last_updated_epoch":"1768414878000","number":"1669051215","other_names":[],"practiceLocations":[{"address_1":"10500 QUIVIRA RD","address_purpose":"LOCATION","address_type":"DOM","city":"OVERLAND PARK","country_code":"US","country_name":"United States","fax_number":"913-541-5625","postal_code":"662152373","state":"KS","telephone_number":"913-541-5000"},{"address_1":"3955 PATIENT CARE DR STE A","address_purpose":"LOCATION","address_type":"DOM","city":"LANSING","country_code":"US","country_name":"United States","fax_number":"885-480-9150","postal_code":"489114271","state":"MI","telephone_number":"517-374-7600"}],"taxonomies":[{"code":"207R00000X","desc":"Internal Medicine","license":"4301515242","primary":true,"state":"MI","taxonomy_group":""},{"code":"207R00000X","desc":"Internal Medicine","license":"94-10789","primary":false,"state":"KS","taxonomy_group":""},{"code":"390200000X","desc":"Student in an Organized Health Care Education/Training Program","license":null,"primary":false,"state":null,"taxonomy_group":""}]}]}