South Dakota / Dunes Surgical Hospital
CMS certification 430089 · Dakota Dunes, SD · 1 entry in CMS's price-transparency list
Dunes Surgical Hospital: charges and Medicare payments
Dunes Surgical Hospital reported 85 Medicare inpatient stays across 5 DRGs in 2024. Across them it charged 4 times what it was paid. Its most frequent stay was DRG 454, Combined Anterior and Posterior Spinal Fusion with CC: 28 stays at an average charge of $148,651, 47% below the national average. It also billed 2,892 outpatient services, charging 4.86 times what Medicare paid.
- 1Medicare inpatient stays 85
- 2Charge ÷ paid, inpatient 4×
- 3Rank in SD (highest ratio = 1) –
- 4CMS price-transparency actions 1
Inpatient stays
For the 5 DRGs that can be compared with the national average, Dunes Surgical Hospital charged more than the national average in 0 (0%). Payments follow Medicare's rates, so they usually vary far less than charges.
| DRG | Stays | Avg charge | vs US | Avg paid |
|---|---|---|---|---|
| 454 Combined Anterior and Posterior Spinal Fusion with CC | 28 | $148,651 | -47% | $40,743 |
| 460 Spinal Fusion except Cervical without MCC | 20 | $109,181 | -36% | $24,719 |
| 483 Major Joint or Limb Reattachment Procedures of Upper... | 13 | $67,529 | -47% | $17,016 |
| 455 Combined Anterior and Posterior Spinal Fusion without CC/MCC | 12 | $129,477 | -36% | $31,118 |
| 472 Cervical Spinal Fusion with CC | 12 | $91,378 | -36% | $20,010 |
Outpatient services
Against the South Dakota average
For Combined Anterior and Posterior Spinal Fusion with CC (DRG 454), Dunes Surgical Hospital charged $148,651 on average, 18% less than the South Dakota average of $181,309, and was paid $40,743 against a state average of $49,235. For Spinal Fusion except Cervical without MCC (DRG 460), Dunes Surgical Hospital charged $109,181 on average, 23% less than the South Dakota average of $141,301, and was paid $24,719 against a state average of $28,611. For Major Joint or Limb Reattachment Procedures of Upper Extremities (DRG 483), Dunes Surgical Hospital charged $67,529 on average, 16% more than the South Dakota average of $58,334, and was paid $17,016 against a state average of $17,988. For Combined Anterior and Posterior Spinal Fusion without CC/MCC (DRG 455), Dunes Surgical Hospital charged $129,477 on average, 5% less than the South Dakota average of $136,778, and was paid $31,118 against a state average of $33,982. For Level 5 Musculoskeletal Procedures (outpatient APC 5115), its average charge of $44,549 was 8% below the state average of $48,584. For Level 2 Urology and Related Services (outpatient APC 5372), its average charge of $2,590 was 10% above the state average of $2,357. For Level 3 Urology and Related Services (outpatient APC 5373), its average charge of $7,436 was 4% above the state average of $7,172. For Level 1 Nerve Procedures (outpatient APC 5431), its average charge of $11,500 was 14% above the state average of $10,045.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Dunes Surgical Hospital in Dakota Dunes, SD, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Met Requirements — 2025-07-16 (CMS case 5770)
A warning notice or corrective-action request is not a finding of wrongdoing; "Met Requirements" and closure notices record that CMS's review ended. Matched to this hospital by exact name, city and state.
Charges are the hospital's list prices averaged over its 2024 Medicare cases; payments are what those cases actually brought in. Neither is what you will pay. For a planned procedure, ask the hospital for its price estimate or, if you are uninsured or self-paying, a good-faith estimate.
Sources: CMS Medicare Inpatient Hospitals — by Provider and Service / by Geography and Service, data year 2024; CMS Medicare Outpatient Hospitals — by Provider and Service / by Geography and Service, data year 2024; CMS Hospital Price Transparency Enforcement Activities and Outcomes, July 2026. Checked 2026-10-24. Methodology.