It is endemic to the eastern slopes of the Bolivian Andes in the Cochabamba, Chuquisaca, La Paz, and Santa Cruz departments.

[3] The specific name bejaranoi honors Gastón Bejarano,[2] a Bolivian zoologist and Director of Forestry and National Parks, Ministry of Agriculture.

[1][3] Adult males measure 23.6–24.4 mm (0.9–1.0 in)[2][5] and adult females about 26.5 mm (1.04 in) in snout–vent length, the latter being based on the holotype of Centrolenella flavidigitata,[6] later identified as the first female of Nymphargus bejaranoi.

It is an arboreal species found in vegetation close to streams and small waterfalls.

It was rediscovered in 2020 in Carrasco National Park during a mission to rescue reptiles and amphibians whose habitat would be threatened by a planned hydroelectric project.