California / Arrowhead Regional Medical Center
CMS certification 050245 · Colton, CA · 3 entries in CMS's price-transparency list
Arrowhead Regional Medical Center: charges and Medicare payments
Arrowhead Regional Medical Center reported 838 Medicare inpatient stays across 35 DRGs in 2024. Across them it charged 4.74 times what it was paid — mid-range in California, number 146 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: 149 stays at an average charge of $120,694, 34% above the national average. It also billed 325 outpatient services, charging 9.99 times what Medicare paid.
- 1Medicare inpatient stays 838
- 2Charge ÷ paid, inpatient 4.74×
- 3Rank in CA (highest ratio = 1) 146 of 247
- 4CMS price-transparency actions 3
Inpatient stays
For the 35 DRGs that can be compared with the national average, Arrowhead Regional Medical Center charged more than the national average in 32 (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 | 149 | $120,694 | +34% | $27,566 |
| 291 Heart Failure and Shock with MCC | 61 | $64,888 | +15% | $18,578 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 43 | $76,032 | +55% | $16,815 |
| 885 Psychoses | 41 | $120,281 | +173% | $22,795 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 33 | $453,820 | +98% | $78,712 |
| 193 Simple Pneumonia and Pleurisy with MCC | 28 | $84,224 | +41% | $19,347 |
| 280 Acute Myocardial Infarction, Discharged Alive with MCC | 27 | $115,376 | +52% | $23,217 |
| 638 Diabetes with CC | 27 | $55,285 | +33% | $14,640 |
| 065 Intracranial Hemorrhage or Cerebral Infarction with CC or... | 22 | $69,694 | +25% | $15,767 |
| 698 Other Kidney and Urinary Tract Diagnoses with MCC | 22 | $68,186 | -7% | $20,770 |
| 690 Kidney and Urinary Tract Infections without MCC | 21 | $70,474 | +86% | $12,463 |
| 683 Renal Failure with CC | 20 | $61,006 | +50% | $15,405 |
| 083 Traumatic Stupor and Coma >1 Hour with CC | 19 | $92,016 | +26% | $20,799 |
| 378 Gastrointestinal Hemorrhage with CC | 19 | $70,217 | +45% | $16,215 |
| 069 Transient Ischemia without Thrombolytic | 18 | $56,815 | +13% | $13,185 |
| 189 Pulmonary Edema and Respiratory Failure | 18 | $142,849 | +148% | $18,200 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 18 | $61,985 | +3% | $19,998 |
| 682 Renal Failure with MCC | 17 | $68,914 | +5% | $22,226 |
| 082 Traumatic Stupor and Coma >1 Hour with MCC | 16 | $141,245 | +23% | $29,544 |
| 309 Cardiac Arrhythmia and Conduction Disorders with CC | 16 | $41,640 | +15% | $13,323 |
| 312 Syncope and Collapse | 16 | $63,813 | +40% | $14,889 |
| 314 Other Circulatory System Diagnoses with MCC | 16 | $168,125 | +77% | $27,831 |
| 057 Degenerative Nervous System Disorders without MCC | 15 | $65,360 | +15% | $17,115 |
| 481 Hip and Femur Procedures except Major Joint with CC | 15 | $184,647 | +83% | $24,918 |
| 552 Medical Back Problems without MCC | 15 | $66,756 | +37% | $15,968 |
| 603 Cellulitis without MCC | 15 | $64,480 | +73% | $14,494 |
| 101 Seizures without MCC | 14 | $57,889 | +19% | $14,438 |
| 004 Tracheostomy with MV >96 Hours or Principal Diagnosis except... | 13 | $978,430 | +59% | $194,589 |
| 100 Seizures with MCC | 13 | $91,364 | -3% | $26,364 |
| 605 Trauma To The Skin, Subcutaneous Tissue and Breast without... | 13 | $110,157 | +138% | $15,697 |
| 064 Intracranial Hemorrhage or Cerebral Infarction with MCC | 12 | $252,222 | +153% | $42,155 |
| 281 Acute Myocardial Infarction, Discharged Alive with CC | 12 | $81,480 | +61% | $14,067 |
| 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 12 | $31,149 | -22% | $13,682 |
| 812 Red Blood Cell Disorders without MCC | 11 | $74,421 | +68% | $15,676 |
| 914 Traumatic Injury without MCC | 11 | $68,066 | +44% | $15,186 |
Outpatient services
| Service (APC) | Services | Avg charge | Medicare allowed |
|---|---|---|---|
| Level 1 Intraocular Procedures | 88 | $27,797 | $2,839 |
| Comprehensive Observation Services | 87 | $26,013 | $3,365 |
| Level 3 Urology and Related Services | 44 | $10,770 | $2,220 |
| Level 2 Urology and Related Services | 26 | $5,605 | $840 |
| Level 2 Excision/ Biopsy/ Incision and Drainage | 23 | $15,193 | $1,907 |
| Level 1 Nerve Procedures | 21 | $16,188 | $2,374 |
| Level 3 Vascular Procedures | 19 | $32,995 | $3,919 |
| Level 1 Endovascular Procedures | 17 | $25,403 | $4,013 |
Against the California average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Arrowhead Regional Medical Center charged $120,694 on average, 16% less than the California average of $143,063, and was paid $27,566 against a state average of $23,020. For Heart Failure and Shock with MCC (DRG 291), Arrowhead Regional Medical Center charged $64,888 on average, 36% less than the California average of $100,739, and was paid $18,578 against a state average of $15,556. For Septicemia or Severe Sepsis without MV >96 Hours without MCC (DRG 872), Arrowhead Regional Medical Center charged $76,032 on average, 0% less than the California average of $76,120, and was paid $16,815 against a state average of $12,552. For Psychoses (DRG 885), Arrowhead Regional Medical Center charged $120,281 on average, 134% more than the California average of $51,465, and was paid $22,795 against a state average of $15,642. For Level 1 Intraocular Procedures (outpatient APC 5491), its average charge of $27,797 was 32% above the state average of $20,986. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $26,013 was 38% below the state average of $41,628. For Level 3 Urology and Related Services (outpatient APC 5373), its average charge of $10,770 was 39% below the state average of $17,793. For Level 2 Urology and Related Services (outpatient APC 5372), its average charge of $5,605 was 15% above the state average of $4,853.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Arrowhead Regional Medical Center in Colton, CA, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Met Requirements — 2023-03-24 (CMS case 577)
- Warning Notice — 2025-08-06 (CMS case 6067)
- Closure Notice — 2025-11-13 (CMS case 6067)
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.