| THE IOWA CLINIC ENDOSCOPY CENTER | WEST DES MOINES | 4695 | No Different Than the National Rate |
| IOWA ENDOSCOPY CENTER | CLIVE | 3230 | No Different Than the National Rate |
| GENGASTRO LLC DBA THE ENDOSCOPY CENTER FOR DIGESTIVE HELATH | BETTENDORF | 3199 | No Different Than the National Rate |
| DIGESTIVE HEALTH CENTER LLC | WATERLOO | 2692 | No Different Than the National Rate |
| MASON CITY AMBULATORY SURGERY CENTER LLC | MASON CITY | 1927 | No Different Than the National Rate |
| PIERCE STREET SAME DAY SURGERY LC | SIOUX CITY | 1367 | No Different Than the National Rate |
| MISSISSIPPI VALLEY ENDOSCOPY CENTER | DAVENPORT | 1049 | No Different Than the National Rate |
| MISSISSIPPI VALLEY ENDOSCOPY CENTER | DAVENPORT | 1049 | No Different Than the National Rate |
| DUBUQUE ENDOSCOPY CENTER LC | DUBUQUE | 769 | No Different Than the National Rate |
| ANKENY MEDICAL PARK SURGERY CENTER | ANKENY | 714 | No Different Than the National Rate |
| SURGERY CENTER CEDAR RAPIDS | CEDAR RAPIDS | 650 | No Different Than the National Rate |
| TRI STATE SURGERY CENTER LLC | DUBUQUE | 585 | No Different Than the National Rate |
| SURGERY CENTER OF DES MOINES WEST | WEST DES MOINES | 201 | No Different Than the National Rate |
| UNITED MEDICAL PARK ASC LLC | WATERLOO | 145 | No Different Than the National Rate |
| QUALITY CARE CLINIC AND SURGICENTER | CLINTON | 68 | No Different Than the National Rate |
| LAKEVIEW SURGERY CENTER | WEST DES MOINES | — | N/A |
| WAUKEE SURGERY CENTER LLC | WAUKEE | — | N/A |
| WOLFE SURGERY CENTER LLC | WEST DES MOINES | — | N/A |
| SPRING PARK SURGERY CENTER LLC | DAVENPORT | — | N/A |
| WESTOWN AMBULATORY CENTER | WEST DES MOINES | — | N/A |
| WEST LAKES SURGERY CENTER LLC | CLIVE | — | Number of Cases Too Small |
| ADVANCED SURGERY CENTER OF CENTRAL IOWA | WEST DES MOINES | — | N/A |
| IOWA CITY AMBULATORY SURGICAL CENTER LLC | IOWA CITY | — | N/A |
| CORRIDOR SURGERY CENTER | CORALVILLE | — | N/A |
| ORTHOPAEDIC OUTPATIENT SURGERY CENTER LLC | WEST DES MOINES | — | N/A |