Silveira Hospital (RC) » ZACH Members Go back to directory. Add to Address Book. Silveira Hospital (RC) Silveira Hospital (RC) P O Box 100, NYIKA. work Work Phone: Tel: 038-277//324/841work Work Fax: Fax 277workfax Cell Phone: Stephen Mabaya 0772245481cell Work Email: sylvhosp@iwayafrica.comINTERNET Work Email: bmiti@iwayafrica.comINTERNET Categories: MEMBERS OF ZACH Updated 6 years ago.