WASHINGTON — Four state Medicaid bosses have agreed to appear before a House Energy and Commerce subcommittee hearing on benefit fraud next week, The Post has learned. The Subcommittee on Oversight and Investigations invited New York state Medicaid director Amir Bassiri to the June 25 hearing, along with Tyler Sadwith of California, John Connolly of Minnesota and Scott Partika of Ohio. “Fraud puts the Medicaid program at risk , harming beneficiaries and reducing access to quality health care