/usr/bin/mpicc.mpich2
/usr/bin/mpicc.mpich
/usr/bin/mpichversion
/usr/bin/mpic++.mpich
/usr/bin/mpicxx.mpich2
/usr/bin/mpicxx.mpich
/usr/bin/mpif77.mpich2
/usr/bin/mpif77.mpich
/usr/bin/mpif90.mpich2
/usr/bin/mpif90.mpich
You may install this package on Debian with
apt-get
install libmpich-dev