| Allegan General Hospital | Allegan MI, 49010 |
| Gerber Memorial Health Services | Fremont MI, 49412 |
| Holland Hospital | Holland MI, 49423 |
| Holland Hospital Medical Imaging Center - Lakeshore Medical Campus | Holland MI, 49424 |
| Ionia County Memorial Hospital | Ionia MI, 48846 |
| Mecosta County Medical Center | Big Rapids MI, 49307 |
| Mercy Health Partners Lakes Campus | Muskegon MI, 49444 |
| Mercy Health Partners, Mercy Campus | Muskegon MI, 49443 |
| Northern Michigan Regional Hospital | Petoskey MI, 49770 |
| Radiology Muskegon P.L.C. | Muskegon MI, 49444 |
| River Valley Orthopedics, PC | Grand Rapids MI, 49503 |
| Sturgis Hospital | Sturgis MI, 49091 |
| Three Rivers Health Medical Center | Three Rivers MI, 49093 |
| West Shore Medical Center | Manistee MI, 49660 |
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