{"npi":"1902801525","type":"NPI-1","status":"active","name":{"display":"James Hahn MD","other":[],"first":"JAMES","last":"HAHN","middle":"H","credential":"MD"},"specialty":{"primary_taxonomy":"207R00000X","primary_taxonomy_description":"Internal Medicine","slug":"internal-medicine","schema_org_specialty":"Internal","all":[{"code":"207R00000X","description":"Internal Medicine","primary":true,"state":"IA","license":"23423"}]},"addresses":[{"purpose":"LOCATION","street_1":"1228 E RUSHOLME ST","city":"DAVENPORT","state":"IA","postal_code":"528032467","country_code":"US","street_2":"SUITE 112","phone":"5634213122","fax":"5634213129"},{"purpose":"MAILING","street_1":"1228 E RUSHOLME ST","city":"DAVENPORT","state":"IA","postal_code":"528032467","country_code":"US","street_2":"SUITE 112","phone":"5634213122","fax":"5634213129"}],"license":{"state":"IA","number":"23423"},"identifiers":[{"type_code":"01","label":"Other","value":"15409","state":"IA","issuer":"IOWA MIDLANDS CHOICE"},{"type_code":"01","label":"Other","value":"IL 1240003","state":"IL","issuer":"ILLINOIS MEDICARE PROVIDER NUMBER"},{"type_code":"01","label":"Other","value":"P00287447","state":"IA","issuer":"MEDICARE RAILROAD"},{"type_code":"05","label":"Medicaid","value":"8201954","state":"IA","issuer":null},{"type_code":"01","label":"Other","value":"39981","state":"IA","issuer":"WELMARK BCBS"},{"type_code":"05","label":"Medicaid","value":"9201954","state":"IA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20040830000410","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"IA","pac_id":"6608841085"},{"enrlmt_id":"I20090409000647","type_code":"14-11","type_desc":"PRACTITIONER - INTERNAL MEDICINE","state":"IL","pac_id":"6608841085"}]},"enumeration_date":"2005-06-20","last_updated":"2009-06-15","_meta":{"source":"NPPES","snapshot_date":"2009-06-15","doc_url":"https://findmynpi.com/api"}}