{"npi":"1760444541","type":"NPI-1","status":"active","name":{"display":"Dr. Michael Vander Kooy M.D.","other":[],"first":"MICHAEL","last":"VANDER KOOY","middle":"J","credential":"M.D."},"specialty":{"primary_taxonomy":"2085R0001X","primary_taxonomy_description":"Radiation Oncology Physician","slug":"radiation-oncology-physician","schema_org_specialty":null,"all":[{"code":"2085R0001X","description":"Radiation Oncology Physician","primary":true,"state":"WI","license":"37647"}]},"addresses":[{"purpose":"LOCATION","street_1":"480 E DIVISION ST","city":"FOND DU LAC","state":"WI","postal_code":"549353734","country_code":"US","phone":"9209264100","fax":"9209264190"},{"purpose":"MAILING","street_1":"420 E DIVISION ST","city":"FOND DU LAC","state":"WI","postal_code":"549354560","country_code":"US","phone":"9209268340"}],"license":{"state":"WI","number":"37647"},"identifiers":[{"type_code":"05","label":"Medicaid","value":"32451900","state":"WI","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20091110000604","type_code":"14-92","type_desc":"PRACTITIONER - RADIATION ONCOLOGY","state":"WI","pac_id":"5698771541"}]},"enumeration_date":"2006-04-05","last_updated":"2020-10-21","_meta":{"source":"NPPES","snapshot_date":"2020-10-21","doc_url":"https://findmynpi.com/api"}}