| WA | Fresenius Medical Care (Renal Care Group Northwest Inc) | CN19-19 | Fresenius Medical Care (Renal Care Group Northwest Inc) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Aberdeen) | CN20-15 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Aberdeen) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Aberdeen) | CN21-76 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Aberdeen) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Aberdeen) | DOR21-07 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Aberdeen) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Green River) | CN19-73 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Green River) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Green River) | CN20-19 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Green River) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Lacey and FKC North Thurston) | CN21-04 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Lacey and FKC North Thurston) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Mt. Rainier) | CN20-17 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Mt. Rainier) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Shelton) | CN21-29 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Shelton) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Yakima River) | CN21-03 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Yakima River) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Yakima River) | CN21-77 | Fresenius Medical Care (Renal Care Group Northwest, Inc. dba FKC Yakima River) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc.) | CN19-34 | Fresenius Medical Care (Renal Care Group Northwest, Inc.) |
| WA | Fresenius Medical Care (Renal Care Group Northwest, Inc.) | CN19-35 | Fresenius Medical Care (Renal Care Group Northwest, Inc.) |