With the Shawnee Health Service Patient Portal, you will be able to: ... Carterville, IL 62918 (618) 519-9200 For the hearing impaired: TTY: 711 ... Shawnee Health Service (SHS) is a Health Center Program grantee under 42 U.S.C. 254b, and a Federal Tort Claims Act (FTCA)-deemed Public Health Service employee under 42 U.S.C. 233(g)-(n). ....