{"npi":"1497845861","type":"NPI-1","status":"active","name":{"display":"Robert Kratzke MD","other":[],"first":"ROBERT","last":"KRATZKE","middle":"ARTHUR","credential":"MD"},"specialty":{"primary_taxonomy":"207RX0202X","primary_taxonomy_description":"Medical Oncology Physician","slug":"medical-oncology-physician","schema_org_specialty":null,"all":[{"code":"207RX0202X","description":"Medical Oncology Physician","primary":true,"state":"MN","license":"40486"}]},"addresses":[{"purpose":"LOCATION","street_1":"424 HARVARD ST SE","city":"MINNEAPOLIS","state":"MN","postal_code":"554550362","country_code":"US","street_2":"MASONIC CANCER CENTER, FIRST FLOOR, SUITE M100","phone":"6126255411"},{"purpose":"MAILING","street_1":"420 DELAWARE ST SE","city":"MINNEAPOLIS","state":"MN","postal_code":"55455","country_code":"US","street_2":"UNIVERSITY OF MINNESOTA PHYSICIANS","phone":"6126255411"}],"license":{"state":"MN","number":"40486"},"identifiers":[{"type_code":"01","label":"Other","value":"726547","state":"MN","issuer":"FAIRVIEW"},{"type_code":"01","label":"Other","value":"K003","state":"MN","issuer":"CHAMPUS"},{"type_code":"01","label":"Other","value":"36-00013","state":"MN","issuer":"MEDICA-PRIMARY"},{"type_code":"01","label":"Other","value":"604R2KR","state":"MN","issuer":"BCBS"},{"type_code":"05","label":"Medicaid","value":"0079645","state":"MT","issuer":null},{"type_code":"05","label":"Medicaid","value":"0581553","state":"IA","issuer":null},{"type_code":"01","label":"Other","value":"2216697","state":null,"issuer":"ARAZ"},{"type_code":"05","label":"Medicaid","value":"34565800","state":"WI","issuer":null},{"type_code":"01","label":"Other","value":"P00230358","state":"MN","issuer":"RR MEDICARE"},{"type_code":"01","label":"Other","value":"1042019","state":"MN","issuer":"PREFERRED ONE"},{"type_code":"01","label":"Other","value":"36-00519","state":"MN","issuer":"MEDICA-CHOICE"},{"type_code":"05","label":"Medicaid","value":"320403100","state":"MN","issuer":null},{"type_code":"01","label":"Other","value":"HP45307","state":"MN","issuer":"HEALTH PARTNERS"},{"type_code":"01","label":"Other","value":"132242","state":"MN","issuer":"UCARE"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20041006001437","type_code":"14-83","type_desc":"PRACTITIONER - HEMATOLOGY/ONCOLOGY","state":"MN","pac_id":"7012976954"}]},"enumeration_date":"2006-10-13","last_updated":"2012-10-26","_meta":{"source":"NPPES","snapshot_date":"2012-10-26","doc_url":"https://findmynpi.com/api"}}