California / Corona Regional Medical Center
CMS certification 050329 · Corona, CA · 1 entry in CMS's price-transparency list
Corona Regional Medical Center: charges and Medicare payments
Corona Regional Medical Center reported 830 Medicare inpatient stays across 31 DRGs in 2024. Across them it charged 7.54 times what it was paid — among the higher ratios in California, number 44 of 247 hospitals with at least 100 stays (state median 5.18×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 160 stays at an average charge of $152,418, 69% above the national average. It also billed 340 outpatient services, charging 12.5 times what Medicare paid.
- 1Medicare inpatient stays 830
- 2Charge ÷ paid, inpatient 7.54×
- 3Rank in CA (highest ratio = 1) 44 of 247
- 4CMS price-transparency actions 1
Inpatient stays
For the 31 DRGs that can be compared with the national average, Corona Regional Medical Center charged more than the national average in 31 (100%). 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 | 160 | $152,418 | +69% | $19,860 |
| 291 Heart Failure and Shock with MCC | 104 | $97,917 | +74% | $13,226 |
| 193 Simple Pneumonia and Pleurisy with MCC | 46 | $105,039 | +76% | $13,847 |
| 177 Respiratory Infections and Inflammations with MCC | 41 | $151,926 | +115% | $17,117 |
| 280 Acute Myocardial Infarction, Discharged Alive with MCC | 35 | $105,492 | +39% | $16,633 |
| 698 Other Kidney and Urinary Tract Diagnoses with MCC | 31 | $124,795 | +70% | $16,638 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 29 | $125,268 | +108% | $15,108 |
| 689 Kidney and Urinary Tract Infections with MCC | 27 | $86,745 | +69% | $13,021 |
| 690 Kidney and Urinary Tract Infections without MCC | 26 | $63,818 | +69% | $8,685 |
| 682 Renal Failure with MCC | 25 | $101,491 | +54% | $15,386 |
| 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 22 | $80,747 | +101% | $8,769 |
| 312 Syncope and Collapse | 21 | $80,601 | +77% | $9,436 |
| 377 Gastrointestinal Hemorrhage with MCC | 20 | $128,538 | +51% | $17,254 |
| 189 Pulmonary Edema and Respiratory Failure | 19 | $84,738 | +47% | $13,247 |
| 389 Gastrointestinal Obstruction with CC | 18 | $76,520 | +97% | $8,615 |
| 638 Diabetes with CC | 16 | $79,258 | +90% | $9,849 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 16 | $85,415 | +74% | $10,076 |
| 208 Respiratory System Diagnosis with Ventilator Support <=96... | 15 | $178,905 | +32% | $25,091 |
| 683 Renal Failure with CC | 15 | $68,292 | +68% | $9,718 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 15 | $232,810 | +2% | $44,891 |
| 065 Intracranial Hemorrhage or Cerebral Infarction with CC or... | 14 | $97,411 | +75% | $8,550 |
| 101 Seizures without MCC | 13 | $76,412 | +57% | $9,600 |
| 314 Other Circulatory System Diagnoses with MCC | 12 | $163,403 | +72% | $18,654 |
| 378 Gastrointestinal Hemorrhage with CC | 12 | $86,519 | +78% | $12,724 |
| 641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 12 | $60,778 | +64% | $8,316 |
| 069 Transient Ischemia without Thrombolytic | 11 | $100,284 | +99% | $9,674 |
| 308 Cardiac Arrhythmia and Conduction Disorders with MCC | 11 | $93,856 | +66% | $11,738 |
| 481 Hip and Femur Procedures except Major Joint with CC | 11 | $127,137 | +26% | $20,536 |
| 522 Hip Replacement with Principal Diagnosis of Hip Fracture... | 11 | $169,479 | +66% | $20,064 |
| 603 Cellulitis without MCC | 11 | $57,249 | +54% | $9,312 |
| 637 Diabetes with MCC | 11 | $125,717 | +89% | $13,158 |
Outpatient services
| Service (APC) | Services | Avg charge | Medicare allowed |
|---|---|---|---|
| Comprehensive Observation Services | 118 | $47,427 | $3,365 |
| Level 2 Upper GI Procedures | 37 | $17,223 | $2,339 |
| Level 3 Vascular Procedures | 30 | $44,717 | $3,919 |
| Level 1 Endovascular Procedures | 23 | $38,438 | $3,887 |
| Level 5 Musculoskeletal Procedures | 21 | $107,515 | $16,148 |
| Level 2 Excision/ Biopsy/ Incision and Drainage | 19 | $12,715 | $1,910 |
| Level 2 Breast/Lymphatic Surgery and Related Procedures | 17 | $75,457 | $7,658 |
| Level 1 Abdominal/Peritoneal/Biliary and Related Procedures | 14 | $62,300 | $4,254 |
| Level 1 Laparoscopy and Related Services | 14 | $71,918 | $7,094 |
| Level 1 Breast/Lymphatic Surgery and Related Procedures | 12 | $47,119 | $4,686 |
| Level 4 Musculoskeletal Procedures | 12 | $72,428 | $8,792 |
| Level 4 Urology and Related Services | 12 | $43,020 | $4,286 |
| Level 5 Urology and Related Services | 11 | $51,945 | $6,362 |
Against the California average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Corona Regional Medical Center charged $152,418 on average, 7% more than the California average of $143,063, and was paid $19,860 against a state average of $23,020. For Heart Failure and Shock with MCC (DRG 291), Corona Regional Medical Center charged $97,917 on average, 3% less than the California average of $100,739, and was paid $13,226 against a state average of $15,556. For Simple Pneumonia and Pleurisy with MCC (DRG 193), Corona Regional Medical Center charged $105,039 on average, 1% more than the California average of $103,761, and was paid $13,847 against a state average of $15,112. For Respiratory Infections and Inflammations with MCC (DRG 177), Corona Regional Medical Center charged $151,926 on average, 22% more than the California average of $124,302, and was paid $17,117 against a state average of $18,986. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $47,427 was 14% above the state average of $41,628. For Level 2 Upper GI Procedures (outpatient APC 5302), its average charge of $17,223 was 10% below the state average of $19,034. For Level 3 Vascular Procedures (outpatient APC 5183), its average charge of $44,717 was 48% above the state average of $30,190. For Level 1 Endovascular Procedures (outpatient APC 5191), its average charge of $38,438 was 5% below the state average of $40,544.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Corona Regional Medical Center in Corona, CA, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Administrative Closure — 2025-04-14 (CMS case 3543)
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.