Oklahoma / St Mary's Regional Medical Center
CMS certification 370026 · Enid, OK · 4 entries in CMS's price-transparency list
St Mary's Regional Medical Center: charges and Medicare payments
St Mary's Regional Medical Center reported 624 Medicare inpatient stays across 22 DRGs in 2024. Across them it charged 8.05 times what it was paid — among the higher ratios in Oklahoma, number 3 of 49 hospitals with at least 100 stays (state median 4.03×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 113 stays at an average charge of $104,440, 16% above the national average. It also billed 1,148 outpatient services, charging 11.97 times what Medicare paid.
- 1Medicare inpatient stays 624
- 2Charge ÷ paid, inpatient 8.05×
- 3Rank in OK (highest ratio = 1) 3 of 49
- 4CMS price-transparency actions 4
Inpatient stays
For the 22 DRGs that can be compared with the national average, St Mary's Regional Medical Center charged more than the national average in 20 (91%). Payments follow Medicare's rates, so they usually vary far less than charges.
| DRG | Stays | Avg charge | vs US | Avg paid |
|---|---|---|---|---|
| 871 Septicemia or Severe Sepsis without MV >96 Hours with MCC | 113 | $104,440 | +16% | $13,018 |
| 193 Simple Pneumonia and Pleurisy with MCC | 75 | $76,051 | +27% | $9,350 |
| 291 Heart Failure and Shock with MCC | 67 | $77,562 | +38% | $8,776 |
| 885 Psychoses | 34 | $24,963 | -43% | $9,630 |
| 481 Hip and Femur Procedures except Major Joint with CC | 33 | $107,060 | +6% | $13,825 |
| 177 Respiratory Infections and Inflammations with MCC | 28 | $111,379 | +58% | $10,952 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 27 | $70,600 | +17% | $8,843 |
| 470 Major Hip and Knee Joint Replacement or Reattachment of... | 26 | $94,998 | +2% | $13,159 |
| 522 Hip Replacement with Principal Diagnosis of Hip Fracture... | 26 | $122,141 | +19% | $14,323 |
| 689 Kidney and Urinary Tract Infections with MCC | 25 | $70,507 | +37% | $8,161 |
| 308 Cardiac Arrhythmia and Conduction Disorders with MCC | 20 | $82,514 | +46% | $8,578 |
| 682 Renal Failure with MCC | 18 | $84,246 | +28% | $9,868 |
| 378 Gastrointestinal Hemorrhage with CC | 16 | $64,270 | +32% | $6,997 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 15 | $255,803 | +12% | $33,807 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 15 | $82,010 | +67% | $7,282 |
| 683 Renal Failure with CC | 14 | $64,988 | +60% | $9,514 |
| 389 Gastrointestinal Obstruction with CC | 13 | $54,952 | +41% | $5,843 |
| 690 Kidney and Urinary Tract Infections without MCC | 13 | $43,711 | +16% | $5,927 |
| 189 Pulmonary Edema and Respiratory Failure | 12 | $88,456 | +54% | $8,730 |
| 330 Major Small and Large Bowel Procedures with CC | 12 | $199,378 | +68% | $16,397 |
| 329 Major Small and Large Bowel Procedures with MCC | 11 | $246,650 | +15% | $32,564 |
| 480 Hip and Femur Procedures except Major Joint with MCC | 11 | $103,097 | -26% | $18,908 |
Outpatient services
Against the Oklahoma average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), St Mary's Regional Medical Center charged $104,440 on average, 48% more than the Oklahoma average of $70,534, and was paid $13,018 against a state average of $14,967. For Simple Pneumonia and Pleurisy with MCC (DRG 193), St Mary's Regional Medical Center charged $76,051 on average, 45% more than the Oklahoma average of $52,579, and was paid $9,350 against a state average of $10,397. For Heart Failure and Shock with MCC (DRG 291), St Mary's Regional Medical Center charged $77,562 on average, 74% more than the Oklahoma average of $44,578, and was paid $8,776 against a state average of $10,006. For Psychoses (DRG 885), St Mary's Regional Medical Center charged $24,963 on average, 2% less than the Oklahoma average of $25,481, and was paid $9,630 against a state average of $10,755. For Level 5 Musculoskeletal Procedures (outpatient APC 5115), its average charge of $81,060 was 27% above the state average of $63,625. For Level 2 Upper GI Procedures (outpatient APC 5302), its average charge of $23,038 was 64% above the state average of $14,050. For Level 4 Urology and Related Services (outpatient APC 5374), its average charge of $55,204 was 105% above the state average of $26,898. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $34,754 was 84% above the state average of $18,889.
Price-transparency record
CMS's enforcement list records these actions for a hospital named St Mary's Regional Medical Center in Enid, OK, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Met Requirements — 2025-04-07 (CMS case 3624)
- Met Requirements — 2025-05-12 (CMS case 4475)
- Warning Notice — 2026-05-21 (CMS case 7834)
- Closure Notice — 2026-06-23 (CMS case 7834)
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.