John Heffernan is named as a lobbyist on federal disclosure filings for 1 client through Massachusetts Biotechnology Council and 1 other registrant. The most recent filing naming them posted in August 2026. Issues reported include Medicare/Medicaid.
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name John Heffernan. See the Capitol Clarity rankings and method.