{"npi":"1154593051","type":"NPI-2","status":"active","name":{"display":"Luis F. Santiago, M.D., S.C.","other":[],"organization_name":"LUIS F. SANTIAGO, M.D., S.C.","authorised_official":"Luis Santiago"},"specialty":{"primary_taxonomy":"261QP2300X","primary_taxonomy_description":"Primary Care Clinic","slug":"primary-care-clinic","schema_org_specialty":"PrimaryCare","all":[{"code":"261QP2300X","description":"Primary Care Clinic","primary":true,"state":"IL","license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"5533 W CERMAK RD","city":"CICERO","state":"IL","postal_code":"608042236","country_code":"US","phone":"7087807612","fax":"7087809122"},{"purpose":"MAILING","street_1":"PO BOX 3666","city":"OAK PARK","state":"IL","postal_code":"603033666","country_code":"US","phone":"7087807612","fax":"7087809122"}],"license":null,"identifiers":[{"type_code":"01","label":"Other","value":"01618077","state":"IL","issuer":"BLUE CROSS BLUE SHIELD"},{"type_code":"01","label":"Other","value":"L015046","state":"IL","issuer":"TRICARE"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"O20090102000217","type_code":"12-70","type_desc":"PART B SUPPLIER - CLINIC/GROUP PRACTICE","state":"IL","pac_id":"0446312268"}]},"enumeration_date":"2008-03-31","last_updated":"2025-09-18","_meta":{"source":"NPPES","snapshot_date":"2025-09-18","doc_url":"https://findmynpi.com/api"}}