We agree with the guest that it is not recommended to walk to Citifield from our hotel. Our shuttle does not stop there but we would be happy to provide you telephone numbers to multiple taxi services.
No way. You don't want to walk anywhere near this hotel, and it's very far from Citifield.
Regarding your question about walking from Hotel de Point to Citi Field. I would not recommend walking, but you may want to call the hotel to see if their shuttle service could drop you off close to Citi Field. I do recall passing directly in front of Citi Field while traveling on the shuttle from the airport to the hotel's location. The hotel's shuttle service seemed to also provide transportation for the local community to various destinations surrounding the hotel.
Get an answer from Hotel de Point staff and past guests.