{"ein":"420698265","kind":"nonprofit","verification":"irs-listed","name":"ALLEN MEMORIAL HOSPITAL CORPORATION","ntee":"E220","city":"WATERLOO","state":"IA","revenue":443098535,"assets":448508076,"sourceName":"IRS Exempt Organizations Business Master File extract","sourceUrl":"https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf","lastChecked":"2026-07-05"}