The 25-year-old, who came from Slavia Prague in the country in January, is the most renowned Czech player currently in the game.
The charity is attempting to raise funds so they can buy medical equipment for nurses, doctors and other frontline staff as they battle the surge of COVID-19 patients.
Soucek, who is on loan at the Hammers, is not their only player to make a charitable donation recently.
Mark Noble also donated to his local borough Basildon.
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