Since your license was suspended for 30 days in Massachusetts this will appear on your driving record and could affect your insurance rates. It appears that parking in a handicap spot gets you the same penaltysame as when misusing a disability plate or placard which is a 30 day license suspension.
Traffic violations in MA can cause surcharge points to be added to your driving record so it is possible that this infraction might do so. As you know surcharge points count against your SDIP. To find out how this issue affect your insurance rates contact the MA Division of Insurance or Registry of Motor Vehicles (RMV).