Man pages matching name mpicc.openmpi in section 1:

mpiCC.openmpi.1.en	debian 10 / openmpi-bin
mpicc.openmpi.1.en	debian 10 / openmpi-bin
mpiCC.openmpi.1.en	debian 11 / openmpi-bin
mpicc.openmpi.1.en	debian 11 / openmpi-bin
mpiCC.openmpi.1.en	debian 12 / openmpi-bin
mpicc.openmpi.1.en	debian 12 / openmpi-bin