New Delhi, Aug. 7 -- Federal health authorities revoked the operating license of Network for Hope, an organ procurement organization covering a four-state region, after a government review found that the network had initiated organ harvest procedures on patients whose deaths had not been properly established, Health and Human Services Secretary Robert F. Kennedy Jr. announced Wednesday.

one of 56 federally designated organ procurement organizations in the United States. Chief executive Barry Massa said the organization would appeal the revocation.

The review was conducted jointly by the Health Resources and Services Administration and the Centers for Medicare and Medicaid Services. Of 351 cases the agencies examined, 103 raised concerns...