{"npi":"1447283049","type":"NPI-1","status":"active","name":{"display":"Dr. David Rydberg M.D.","other":[],"first":"DAVID","last":"RYDBERG","middle":"B.","credential":"M.D."},"specialty":{"primary_taxonomy":"207L00000X","primary_taxonomy_description":"Anesthesiology","slug":"anesthesiology","schema_org_specialty":"Anesthesia","all":[{"code":"207L00000X","description":"Anesthesiology","primary":true,"state":"IL","license":null}]},"addresses":[{"purpose":"LOCATION","street_1":"2202 HARLEM RD","city":"LOVES PARK","state":"IL","postal_code":"611112754","country_code":"US","phone":"8158774848","fax":"8156545342"},{"purpose":"MAILING","street_1":"2202 HARLEM RD","city":"LOVES PARK","state":"IL","postal_code":"611112754","country_code":"US","phone":"8158774848","fax":"8156545342"}],"license":null,"identifiers":[{"type_code":"01","label":"Other","value":"P00289742","state":null,"issuer":"RAILROAD MEDICARE"}],"pecos":{"enrolled_at":"2026-05-09T10:41:39.028268+00:00","enrollments":[{"enrlmt_id":"I20050907000040","type_code":"14-05","type_desc":"PRACTITIONER - ANESTHESIOLOGY","state":"IL","pac_id":"6204802077"}]},"enumeration_date":"2006-07-08","last_updated":"2008-03-28","_meta":{"source":"NPPES","snapshot_date":"2008-03-28","doc_url":"https://findmynpi.com/api"}}