California / Montclair Hospital Medical Center
CMS certification 050758 · Montclair, CA · 1 entry in CMS's price-transparency list
Montclair Hospital Medical Center: charges and Medicare payments
Montclair Hospital Medical Center reported 406 Medicare inpatient stays across 14 DRGs in 2024. Across them it charged 3.72 times what it was paid — among the lower ratios in California, number 193 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: 129 stays at an average charge of $80,061, 11% below the national average.
- 1Medicare inpatient stays 406
- 2Charge ÷ paid, inpatient 3.72×
- 3Rank in CA (highest ratio = 1) 193 of 247
- 4CMS price-transparency actions 1
Inpatient stays
For the 14 DRGs that can be compared with the national average, Montclair Hospital Medical Center charged more than the national average in 2 (14%). 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 | 129 | $80,061 | -11% | $20,327 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 60 | $36,493 | -39% | $14,241 |
| 177 Respiratory Infections and Inflammations with MCC | 31 | $62,209 | -12% | $16,900 |
| 689 Kidney and Urinary Tract Infections with MCC | 24 | $34,331 | -33% | $12,241 |
| 870 Septicemia or Severe Sepsis with MV >96 Hours | 22 | $316,486 | -2% | $66,756 |
| 682 Renal Failure with MCC | 21 | $43,989 | -33% | $15,802 |
| 690 Kidney and Urinary Tract Infections without MCC | 17 | $34,308 | -9% | $9,126 |
| 641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 16 | $28,344 | -24% | $8,923 |
| 291 Heart Failure and Shock with MCC | 15 | $57,693 | +2% | $14,049 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 15 | $57,836 | +18% | $11,383 |
| 070 Other Cerebrovascular Disorders with MCC | 14 | $46,762 | -38% | $17,734 |
| 193 Simple Pneumonia and Pleurisy with MCC | 14 | $40,588 | -32% | $13,436 |
| 206 Other Respiratory System Diagnoses without MCC | 14 | $24,080 | -51% | $10,048 |
| 637 Diabetes with MCC | 14 | $45,338 | -32% | $14,969 |
Against the California average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Montclair Hospital Medical Center charged $80,061 on average, 44% less than the California average of $143,063, and was paid $20,327 against a state average of $23,020. For Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCC (DRG 640), Montclair Hospital Medical Center charged $36,493 on average, 59% less than the California average of $88,573, and was paid $14,241 against a state average of $15,580. For Respiratory Infections and Inflammations with MCC (DRG 177), Montclair Hospital Medical Center charged $62,209 on average, 50% less than the California average of $124,302, and was paid $16,900 against a state average of $18,986. For Kidney and Urinary Tract Infections with MCC (DRG 689), Montclair Hospital Medical Center charged $34,331 on average, 58% less than the California average of $81,192, and was paid $12,241 against a state average of $13,102.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Montclair Hospital Medical Center in Montclair, CA, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Met Requirements — 2025-07-18 (CMS case 5873)
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.