New York / Mercy Medical Center
CMS certification 330259 · Rockville Centre, NY · 1 entry in CMS's price-transparency list
Mercy Medical Center: charges and Medicare payments
Mercy Medical Center reported 1,663 Medicare inpatient stays across 57 DRGs in 2024. Across them it charged 5.72 times what it was paid — among the higher ratios in New York, number 20 of 123 hospitals with at least 100 stays (state median 2.74×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 259 stays at an average charge of $105,999, 17% above the national average. It also billed 988 outpatient services, charging 9.35 times what Medicare paid.
- 1Medicare inpatient stays 1,663
- 2Charge ÷ paid, inpatient 5.72×
- 3Rank in NY (highest ratio = 1) 20 of 123
- 4CMS price-transparency actions 1
Inpatient stays
For the 57 DRGs that can be compared with the national average, Mercy Medical Center charged more than the national average in 47 (82%). 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 | 259 | $105,999 | +17% | $18,002 |
| 291 Heart Failure and Shock with MCC | 112 | $72,880 | +29% | $11,796 |
| 690 Kidney and Urinary Tract Infections without MCC | 53 | $46,743 | +24% | $7,686 |
| 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 50 | $42,861 | +7% | $7,991 |
| 280 Acute Myocardial Infarction, Discharged Alive with MCC | 46 | $78,755 | +4% | $14,695 |
| 689 Kidney and Urinary Tract Infections with MCC | 44 | $59,953 | +17% | $10,965 |
| 870 Septicemia or Severe Sepsis with MV >96 Hours | 43 | $314,080 | -3% | $58,616 |
| 377 Gastrointestinal Hemorrhage with MCC | 42 | $97,652 | +14% | $16,137 |
| 603 Cellulitis without MCC | 42 | $49,781 | +34% | $8,601 |
| 872 Septicemia or Severe Sepsis without MV >96 Hours without MCC | 41 | $56,552 | +15% | $9,503 |
| 177 Respiratory Infections and Inflammations with MCC | 37 | $86,001 | +22% | $15,420 |
| 193 Simple Pneumonia and Pleurisy with MCC | 36 | $82,870 | +39% | $12,483 |
| 682 Renal Failure with MCC | 36 | $76,126 | +15% | $13,089 |
| 853 Infectious and Parasitic Diseases with O.R. Procedures with... | 35 | $239,390 | +5% | $48,526 |
| 640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 34 | $64,372 | +7% | $12,281 |
| 378 Gastrointestinal Hemorrhage with CC | 33 | $63,512 | +31% | $9,368 |
| 698 Other Kidney and Urinary Tract Diagnoses with MCC | 33 | $112,932 | +54% | $16,282 |
| 312 Syncope and Collapse | 32 | $55,166 | +21% | $8,300 |
| 811 Red Blood Cell Disorders with MCC | 31 | $72,489 | +6% | $13,105 |
| 552 Medical Back Problems without MCC | 28 | $44,137 | -10% | $9,001 |
| 064 Intracranial Hemorrhage or Cerebral Infarction with MCC | 26 | $102,293 | +2% | $18,529 |
| 065 Intracranial Hemorrhage or Cerebral Infarction with CC or... | 23 | $56,443 | +1% | $9,513 |
| 683 Renal Failure with CC | 23 | $56,541 | +39% | $8,587 |
| 638 Diabetes with CC | 22 | $58,455 | +40% | $9,143 |
| 178 Respiratory Infections and Inflammations with CC | 21 | $75,744 | +67% | $9,421 |
| 641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and... | 21 | $45,886 | +24% | $7,557 |
| 190 Chronic Obstructive Pulmonary Disease with MCC | 20 | $69,914 | +38% | $10,476 |
| 191 Chronic Obstructive Pulmonary Disease with CC | 20 | $62,232 | +57% | $8,183 |
| 194 Simple Pneumonia and Pleurisy with CC | 20 | $53,336 | +39% | $7,929 |
| 884 Organic Disturbances and Intellectual Disability | 19 | $83,301 | +33% | $15,115 |
| 057 Degenerative Nervous System Disorders without MCC | 18 | $52,303 | -8% | $12,147 |
| 393 Other Digestive System Diagnoses with MCC | 18 | $65,268 | -15% | $15,124 |
| 149 Dysequilibrium | 17 | $64,922 | +46% | $7,316 |
| 391 Esophagitis, Gastroenteritis and Miscellaneous Digestive... | 17 | $58,417 | -4% | $11,993 |
| 699 Other Kidney and Urinary Tract Diagnoses with CC | 17 | $59,171 | +25% | $9,278 |
| 101 Seizures without MCC | 16 | $55,544 | +14% | $8,713 |
| 305 Hypertension without MCC | 16 | $44,867 | +12% | $8,042 |
| 602 Cellulitis with MCC | 16 | $69,632 | +16% | $13,722 |
| 189 Pulmonary Edema and Respiratory Failure | 15 | $78,643 | +37% | $11,610 |
| 313 Chest Pain | 15 | $47,242 | +18% | $7,689 |
| 252 Other Vascular Procedures with MCC | 14 | $110,042 | -36% | $30,042 |
| 281 Acute Myocardial Infarction, Discharged Alive with CC | 14 | $54,192 | +7% | $9,983 |
| 287 Circulatory Disorders except AMI, with Cardiac... | 14 | $84,268 | +32% | $10,233 |
| 394 Other Digestive System Diagnoses with CC | 14 | $72,624 | +54% | $8,629 |
| 470 Major Hip and Knee Joint Replacement or Reattachment of... | 14 | $102,071 | +10% | $17,317 |
| 202 Bronchitis and Asthma with CC/MCC | 13 | $56,202 | +22% | $8,480 |
| 308 Cardiac Arrhythmia and Conduction Disorders with MCC | 13 | $58,872 | +4% | $11,303 |
| 309 Cardiac Arrhythmia and Conduction Disorders with CC | 13 | $58,856 | +63% | $8,134 |
| 389 Gastrointestinal Obstruction with CC | 13 | $60,993 | +57% | $7,731 |
| 481 Hip and Femur Procedures except Major Joint with CC | 13 | $92,005 | -9% | $15,931 |
| 056 Degenerative Nervous System Disorders with MCC | 12 | $96,554 | +1% | $20,447 |
| 100 Seizures with MCC | 12 | $70,727 | -25% | $17,828 |
| 286 Circulatory Disorders except AMI, with Cardiac... | 12 | $107,165 | -5% | $19,465 |
| 329 Major Small and Large Bowel Procedures with MCC | 12 | $245,026 | +14% | $49,111 |
| 207 Respiratory System Diagnosis with Ventilator Support >96... | 11 | $239,043 | -18% | $62,168 |
| 314 Other Circulatory System Diagnoses with MCC | 11 | $108,459 | +14% | $19,562 |
| 637 Diabetes with MCC | 11 | $161,892 | +143% | $16,220 |
Outpatient services
Against the New York average
For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Mercy Medical Center charged $105,999 on average, 9% less than the New York average of $116,930, and was paid $18,002 against a state average of $24,426. For Heart Failure and Shock with MCC (DRG 291), Mercy Medical Center charged $72,880 on average, 10% less than the New York average of $81,161, and was paid $11,796 against a state average of $16,034. For Kidney and Urinary Tract Infections without MCC (DRG 690), Mercy Medical Center charged $46,743 on average, 11% less than the New York average of $52,794, and was paid $7,686 against a state average of $10,297. For Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC (DRG 392), Mercy Medical Center charged $42,861 on average, 14% less than the New York average of $50,017, and was paid $7,991 against a state average of $9,945. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $29,260 was 10% above the state average of $26,675. For Level 2 Excision/ Biopsy/ Incision and Drainage (outpatient APC 5072), its average charge of $11,612 was 9% below the state average of $12,815. For Level 1 Nerve Procedures (outpatient APC 5431), its average charge of $19,780 was 48% above the state average of $13,330. For Level 3 Vascular Procedures (outpatient APC 5183), its average charge of $24,402 was 32% above the state average of $18,520.
Price-transparency record
CMS's enforcement list records these actions for a hospital named Mercy Medical Center in Rockville Centre, NY, under the federal hospital price-transparency rule (45 CFR part 180), which requires hospitals to post their standard charges online:
- Met Requirements — 2026-02-25 (CMS case 7100)
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.