Yes you can. You will have to do a little programming to recreate the entire table, but you can get the numbers generated in tabstat with the save option.
. tabstat mpg for, save
stats | mpg foreign
---------+--------------------
mean | 21.2973 .2972973
------------------------------. return list
matrices:
r(StatTotal) : 1 x 2. matrix list r(StatTotal)
r(StatTotal)[1,2]
mpg foreign
mean 21.297297 .2972973