A method and system for loading a tray, e.g., a multi-compartment tray, with at least one medication, the tray having a light grid over a surface thereof is provided. Further provided is a computerized method and system for delivering medication to at least one individual from a tray, e.g., a multi-compartment tray, having a light grid over a surface thereof. If desired, the tray may further include a scanner over a surface thereof which is capable of scanning an identification code coupled with the medication being loaded and/or removed from the tray.