California / Kaiser Foundation Hospital Fontana
CMS certification 050140 · Fontana, CA · 2 entries in CMS's price-transparency list
Kaiser Foundation Hospital Fontana: charges and Medicare payments
Kaiser Foundation Hospital Fontana reported 470 Medicare inpatient stays across 18 DRGs in 2024. Across them it charged 3.38 times what it was paid — among the lower ratios in California, number 205 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: 138 stays at an average charge of $96,068, 6% above the national average. It also billed 261 outpatient services, charging 10.95 times what Medicare paid.
- 1Medicare inpatient stays 470
- 2Charge ÷ paid, inpatient 3.38×
- 3Rank in CA (highest ratio = 1) 205 of 247
- 4CMS price-transparency actions 2
Inpatient stays
For the 18 DRGs that can be compared with the national average, Kaiser Foundation Hospital Fontana charged more than the national average in 7 (39%). 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 | 138 | $96,068 | +6% | $25,969 |
| 189 Pulmonary Edema and Respiratory Failure | 42 | $72,247 | +25% | $19,122 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 38 | $43,564 | -11% | $21,664 |
| 291 Heart Failure and Shock with MCC | 36 | $52,577 | -7% | $16,157 |
| 064 Intracranial Hemorrhage or Cerebral Infarction with MCC | 23 | $107,173 | +7% | $37,237 |
| 193 Simple Pneumonia and Pleurisy with MCC | 21 | $54,535 | -9% | $15,472 |
| 638 Diabetes with CC | 21 | $53,021 | +27% | $14,786 |
| 177 Respiratory Infections and Inflammations with MCC | 19 | $108,629 | +54% | $28,926 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 17 | $199,503 | -13% | $64,982 |
| 065 Intracranial Hemorrhage or Cerebral Infarction with CC or... | 16 | $51,487 | -8% | $17,053 |
| 481 Hip and Femur Procedures except Major Joint with CC | 15 | $100,951 | 0% | $23,725 |
| 208 Respiratory System Diagnosis with Ventilator Support <=96... | 13 | $122,839 | -9% | $30,226 |
| 377 Gastrointestinal Hemorrhage with MCC | 13 | $115,320 | +35% | $38,437 |
| 378 Gastrointestinal Hemorrhage with CC | 13 | $47,803 | -2% | $14,750 |
| 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 12 | $37,558 | -6% | $18,824 |
| 280 Acute Myocardial Infarction, Discharged Alive with MCC | 11 | $94,011 | +24% | $30,265 |
| 683 Renal Failure with CC | 11 | $31,988 | -21% | $16,141 |
| 870 Septicemia or Severe Sepsis with MV >96 Hours | 11 | $302,878 | -6% | $73,168 |
Outpatient services
| Service (APC) | Services | Avg charge | Medicare allowed |
|---|---|---|---|
| Comprehensive Observation Services | 125 | $34,938 | $3,279 |
| Level 3 Vascular Procedures | 26 | $33,970 | $3,843 |
| Level 2 Excision/ Biopsy/ Incision and Drainage | 20 | $13,654 | $1,643 |
| Level 1 Endovascular Procedures | 19 | $26,845 | $3,516 |
| Level 3 Urology and Related Services | 17 | $17,613 | $2,456 |
| Level 1 Intraocular Procedures | 15 | $11,090 | $2,661 |
| Level 5 Urology and Related Services | 14 | $46,428 | $6,016 |
| Level 2 Endovascular Procedures | 13 | $21,700 | $6,046 |
| Level 1 Laparoscopy and Related Services | 12 | $43,168 | $6,495 |
Against the California average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Kaiser Foundation Hospital Fontana charged $96,068 on average, 33% less than the California average of $143,063, and was paid $25,969 against a state average of $23,020. For Pulmonary Edema and Respiratory Failure (DRG 189), Kaiser Foundation Hospital Fontana charged $72,247 on average, 31% less than the California average of $104,292, and was paid $19,122 against a state average of $15,897. For Septicemia or Severe Sepsis without MV >96 Hours without MCC (DRG 872), Kaiser Foundation Hospital Fontana charged $43,564 on average, 43% less than the California average of $76,120, and was paid $21,664 against a state average of $12,552. For Heart Failure and Shock with MCC (DRG 291), Kaiser Foundation Hospital Fontana charged $52,577 on average, 48% less than the California average of $100,739, and was paid $16,157 against a state average of $15,556. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $34,938 was 16% below the state average of $41,628. For Level 3 Vascular Procedures (outpatient APC 5183), its average charge of $33,970 was 13% above the state average of $30,190. For Level 2 Excision/ Biopsy/ Incision and Drainage (outpatient APC 5072), its average charge of $13,654 was 7% below the state average of $14,749. For Level 1 Endovascular Procedures (outpatient APC 5191), its average charge of $26,845 was 34% below the state average of $40,544.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Kaiser Foundation Hospital Fontana in Fontana, CA, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Met Requirements — 2025-04-08 (CMS case 3658)
- Met Requirements — 2026-05-05 (CMS case 7657)
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.