{"npi":"1669416632","type":"NPI-1","status":"active","name":{"display":"Stefan Ruehm MD","other":[],"first":"STEFAN","last":"RUEHM","credential":"MD"},"specialty":{"primary_taxonomy":"207R00000X","primary_taxonomy_description":"Internal Medicine","slug":"internal-medicine","schema_org_specialty":"Internal","all":[{"code":"2085R0202X","description":"Diagnostic Radiology","primary":false,"state":"CA","license":"A97859"},{"code":"2085R0204X","description":"Vascular & Interventional Radiology Physician","primary":false,"state":"CA","license":"A97859"},{"code":"207R00000X","description":"Internal Medicine","primary":true,"state":"CA","license":"A97859"}]},"addresses":[{"purpose":"LOCATION","street_1":"100 UCLA MEDICAL PLZ STE 100","city":"LOS ANGELES","state":"CA","postal_code":"900247000","country_code":"US","phone":"3103016800","fax":"3107949035"},{"purpose":"MAILING","street_1":"5767 W CENTURY BLVD STE 400","city":"LOS ANGELES","state":"CA","postal_code":"900455631","country_code":"US"}],"license":{"state":"CA","number":"A97859"},"identifiers":[{"type_code":"01","label":"Other","value":"00F51720","state":"CA","issuer":"BLUE SHIELD"},{"type_code":"05","label":"Medicaid","value":"000F51720","state":"CA","issuer":null}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20050308000846","type_code":"14-30","type_desc":"PRACTITIONER - DIAGNOSTIC RADIOLOGY","state":"CA","pac_id":"6901850411"}]},"enumeration_date":"2006-06-16","last_updated":"2025-03-24","_meta":{"source":"NPPES","snapshot_date":"2025-03-24","doc_url":"https://findmynpi.com/api"}}