| AMES MARY GREELEY DIALYSIS | AMES |
| ATLANTIC DIALYSIS | ATLANTIC |
| BLACK HAWK DIALYSIS | WATERLOO |
| BUCHANAN COUNTY DIALYSIS | INDEPENDENCE |
| CEDAR VALLEY WAVERLY DIALYSIS | WAVERLY |
| CENTRAL DES MOINES DIALYSIS | DES MOINES |
| COUNCIL BLUFFS DIALYSIS CENTER | COUNCIL BLUFFS |
| CRESTON DIALYSIS | CRESTON |
| DIALYSIS CLINIC INC. - ONAWA | ONAWA |
| EAST DES MOINES DIALYSIS | DES MOINES |
| FMC MIDWEST DIALYSIS | SIOUX CITY |
| FRESENIUS MEDICAL CARE DIALYSIS SERVICES DES MOINES SOUTH | DES MOINES |
| FRESENIUS MEDICAL CARE DIALYSIS SERVICES DES MOINES | DES MOINES |
| FRESENIUS MEDICAL CARE OTTUMWA | OTTUMWA |
| GENESIS MEDICAL CENTER | DAVENPORT |
| GRUNDY CENTER DIALYSIS | GRUNDY CENTER |
| HARLAN DIALYSIS | HARLAN |
| IOWA FALLS MARY GREELEY DIALYSIS | IOWA FALLS |
| LEMARS AREA DIALYSIS SERVICES | LE MARS |
| MAQUOKETA KIDNEY CENTER LLC | MAQUOKETA |
| MARENGO MEMORIAL HOSPITAL | MARENGO |
| MARSHALLTOWN MARY GREELEY DIALYSIS | MARSHALLTOWN |
| MAYO DIALYSIS CENTER - DECORAH | DECORAH |
| MERCY DIALYSIS - VINTON | VINTON |
| MERCY DIALYSIS CENTER - MASON CITY | MASON CITY |
| MERCY MEDICAL CENTER - CEDAR RAPIDS | CEDAR RAPIDS |
| MERCY MEDICAL CENTER - CENTERVILLE | CENTERVILLE |
| MERCY MEDICAL CENTER - CLINTON | CLINTON |
| MERCY MEDICAL CENTER DIALYSIS - MERCY PLAZA | CEDAR RAPIDS |
| MILTON AND ETHEL WARNER DIALYSIS UNIT - SPENCER | SPENCER |
| NEWTON DIALYSIS | NEWTON |
| NORTH IOWA MERCY DIALYSIS CENTER - ALGONA | ALGONA |
| NORTH IOWA MERCY DIALYSIS CENTER - CHARLES CITY | CHARLES CITY |
| NORTHWEST IOWA DIALYSIS CENTER | HOSPERS |
| PELLA REGIONAL HEALTH CENTER | PELLA |
| PERRY DIALYSIS | PERRY |
| QUAD CITIES KIDNEY CENTER - BETTENDORF LLC | BETTENDORF |
| QUAD CITIES KIDNEY CENTER - DAVENPORT | DAVENPORT |
| RENAL CENTER OF FORT DODGE LLC | FORT DODGE |
| RENAL CENTER OF STORM LAKE, LLC | STORM LAKE |
| RINGGOLD COUNTY HOSPITAL DIALYSIS UNIT | MOUNT AYR |
| RIVERPOINT DIALYSIS UNIT | DES MOINES |
| SAINT ANTHONYS REGIONAL HOSPITAL | CARROLL |
| SHENANDOAH DIALYSIS | SHENANDOAH |
| SIOUXLAND DIALYSIS | SIOUX CITY |
| SOUTHEASTERN RENAL DIALYSIS, L.C. - FAIRFIELD | FAIRFIELD |
| SOUTHEASTERN RENAL DIALYSIS, L.C. - LEE COUNTY | KEOKUK |
| SOUTHEASTERN RENAL DIALYSIS, L.C. - MOUNT PLEASANT | MOUNT PLEASANT |
| SOUTHEASTERN RENAL DIALYSIS, LC - FT MADISON | FORT MADISON |
| SOUTHEASTERN RENAL DIALYSIS, LC - W BURLINGTON | WEST BURLINGTON |
| TRI- STATE DIALYSIS - DUBUQUE | DUBUQUE |
| TRI- STATE DIALYSIS - MANCHESTER | MANCHESTER |
| UNIVERSITY OF IOWA HOSPITAL AND CLINICS - GRINNELL | GRINNELL |
| UNIVERSITY OF IOWA HOSPITAL AND CLINICS - MUSCATINE | MUSCATINE |
| UNIVERSITY OF IOWA HOSPITAL AND CLINICS - NORTH LIBERTY | NORTH LIBERTY |
| UNIVERSITY OF IOWA HOSPITAL AND CLINICS - WASHINGTON | WASHINGTON |
| UNIVERSITY OF IOWA HOSPITAL AND CLINICS DIALYSIS | IOWA CITY |
| WARNER DIALYSIS CENTER | SPIRIT LAKE |
| WEST DES MOINES DIALYSIS | WEST DES MOINES |
| WEST UNION DIALYSIS CENTER | WEST UNION |