Prices at 25 hospitals in South Dakota, from their machine-readable files. Here the median cash price is $4,826 — 56% above the US median ($3,100), roughly 7.0× the Medicare rate.
Lowest cash prices
| Hospital | Location | Cash | Insurer | CMS rating | ER wait | Readmit |
|---|---|---|---|---|---|---|
| Dunes Surgical Hospital | Dakota Dunes, SD | $1,600 | $1,872 | — | — | — |
| Brookings Health System | Brookings, SD | $2,672 | $3,995 | ★ 4/5 | 97 min | — |
| Bowdle Hospital-CAH | Bowdle, SD | $2,879 | $2,514 | — | 102 min | — |
| Sioux Falls Specialty Hospital | Sioux Falls, SD | $3,271 | $2,858 | — | — | — |
| Sanford Medical Center Aberdeen | Aberdeen, SD | $4,078 | $3,579 | ★ 4/5 | 120 min | — |
| Sanford Canton-Inwood Medical Center-CAH | Canton, SD | $4,086 | $3,791 | — | 124 min | — |
| Sanford Chamberlain Medical Center | Chamberlain, SD | $4,181 | $3,880 | — | 80 min | — |
| Sanford Clear Lake Medical Center | Clear Lake, SD | $4,545 | $4,789 | — | 93 min | — |
| Avera St Lukes | Aberdeen, SD | $4,566 | $4,352 | ★ 4/5 | 126 min | — |
| Milbank Area Hospital/avera Health | Milbank, SD | $4,566 | $4,352 | — | 126 min | — |
| Faulkton Area Medical Center | Faulkton, SD | $4,590 | $4,931 | — | 122 min | — |
| Sanford Hospital Webster-CAH | Webster, SD | $4,630 | $4,492 | — | 110 min | — |
| Douglas County Memorial Hospital-CAH | Armour, SD | $4,826 | $4,960 | — | 118 min | — |
| Sanford Usd Medical Center | Sioux Falls, SD | $5,248 | $1,412 | ★ 5/5 | 207 min | — |
| Winner Regional Healthcare Center-CAH | Winner, SD | $5,359 | $4,355 | — | 109 min | — |
| Monument Health Rapid City Hospital | Rapid City, SD | $5,487 | $3,662 | ★ 3/5 | 172 min | — |
| Platte Health Center | Platte, SD | $5,678 | $5,149 | — | 128 min | — |
| Monument Health Spearfish Hospital | Spearfish, SD | $5,715 | $6,130 | ★ 4/5 | 144 min | — |
| Marshall County Healthcare Center-CAH | Britton, SD | $6,087 | $4,318 | — | 105 min | — |
| Avera St Mary's Hospital | Pierre, SD | $6,411 | $4,752 | ★ 2/5 | 127 min | — |
| Avera Sacred Heart Hospital | Yankton, SD | $6,800 | $6,060 | ★ 3/5 | 117 min | — |
| Avera Gregory Hospital | Gregory, SD | $6,800 | $6,060 | — | 139 min | — |
| Avera Queen of Peace | Mitchell, SD | $6,877 | $4,827 | ★ 4/5 | 104 min | — |
| Avera Hand County Memorial Hospital and Clinic | Miller, SD | $6,955 | $6,032 | — | 111 min | — |
| Avera Dells Area Hospital-CAH | Dell Rapids, SD | $7,299 | $5,912 | — | 106 min | — |
CMS rating = overall hospital star rating (1–5); ER wait = median minutes in the emergency department; Readmit = 30-day readmission rate (lower is better) — all from Medicare’s Care Compare; “—” = not reported. Data last updated October 2026. Prices from hospitals’ machine-readable files (45 CFR §180); Medicare benchmark from CMS PFS/CLFS/IPPS. Prices below 15% of the median are excluded as likely partial or mis-coded charges. Estimates — confirm with the hospital. Report an incorrect price.
Price comparison (median)
Typical cash price here is $4,826 — about 7.0× the Medicare rate ($691). High vs Medicare. A fair cash price is usually within ~2× Medicare ($1,381).
💡 Asking for the cash price instead of the $5,680 list price could save about $854 (15%).
Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.
Sleep study (polysomnography) cost in other states
All Sleep study (polysomnography) prices (national) → · All hospitals in South Dakota →