An influential House Democrat is pressuring the Medicare agency to better curb and penalize inappropriate prescribing of antipsychotic drugs to nursing home residents.

Rep. Richard Neal (D-Mass.), who chairs the committee that has oversight of the Medicare program, is asking the Centers for Medicare & Medicaid Services to explain how nursing homes and Medicare prescription drug plans act on inappropriate prescribing, he said in a previously unreported letter obtained by Bloomberg Law.

The committee is hoping to create a dialogue with the agency to find solutions, a Ways and Means Committee aide said. The CMS has been putting out data...