acinetobacter nosocomialis acinetobacter nosocomialis acinetobacter nosocomialis is a gram-negative, strictly aerobic bacterium from the genus acinetobacter isolated from a patient at metrohealth in cleveland, ohio. acinetobacter nosocomialis belongs to the acinetobacter calcoaceticus-baumannii complex. acinetobacter nosocomialis scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: acinetobacter species: a. nosocomialis binomial name acinetobacter nosocomialisnemec et al., 2011 type strain ccm 7791, dijkshoorn ac2376, dijkshoorn serial no. 109, lmg 10619, niph 2119, ruh 2376