Hey, I feel that pain.
Yes, and bites from groundhogs are not uncommon as they can be aggressive and unpredictable. They are known carriers of rabies and other diseases. Groundhogs eat a third of their weight in vegetation each day and can be very damaging to crops, vegetable and flower gardens. Suggest you read this article https://peststopexpert.com/how-to-get-rid-of-groundhogs/ about how to get rid of groundhogs