Complete genome sequence of <i>Serratia marcescens</i> MPHSM1, isolated from a patient with necrotizing fasciitis

<i>Serratia marcescens</i> is an opportunistic pathogen that causes a variety of hospital-acquired and community-acquired infections. Here, we report the complete genome sequence of <i>S. marcescens</i> strain MPHSM1 responsible for necrotizing fasciitis. The genome is 5,022,671 bp long, with a G+C content of 59.76%.