Mercy Medical Center Medicare inpatient and outpatient services
Every DRG and outpatient service group CMS publishes for Mercy Medical Center, Rockville Centre, NY in 2024, from traditional Medicare claims. Back to the Mercy Medical Center profile, with quality ratings, finances and negotiated rates.
1,663
Medicare inpatient discharges
In 57 published DRGs
1.72
Case mix index
IPPS FY 2027
5%
Surgical stays
72%
Stays with complications
In DRGs with a CC or MCC
988
Medicare outpatient services
In 20 service groups
Inpatient stays by major diagnostic category
Infectious and parasitic diseases378 discharges in 4 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Septicemia or severe sepsis without MV >96 hours with MCCMS-DRG 871, medical | 259 | $105,999 | $16,551 | $21,518 | 1.98 |
| Septicemia or severe sepsis with MV >96 hoursMS-DRG 870, medical | 43 | $314,080 | $54,875 | $63,758 | 6.96 |
| Septicemia or severe sepsis without MV >96 hours without MCCMS-DRG 872, medical | 41 | $56,552 | $8,383 | $11,480 | 1.03 |
| Infectious and parasitic diseases with o.r. procedures with MCCMS-DRG 853, surgical | 35 | $239,390 | $38,533 | $48,596 | 5.00 |
Circulatory system312 discharges in 12 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Heart failure and shock with MCCMS-DRG 291, medical | 112 | $72,880 | $10,603 | $14,795 | 1.28 |
| Acute myocardial infarction, discharged alive with MCCMS-DRG 280, medical | 46 | $78,755 | $12,159 | $15,987 | 1.59 |
| Syncope and collapseMS-DRG 312, medical | 32 | $55,166 | $7,102 | $11,199 | 0.86 |
| Hypertension without MCCMS-DRG 305, medical | 16 | $44,867 | $5,459 | $9,108 | 0.75 |
| Chest painMS-DRG 313, medical | 15 | $47,242 | $5,309 | $9,590 | 0.72 |
| Other vascular procedures with MCCMS-DRG 252, surgical | 14 | $110,042 | $29,083 | $22,339 | 3.35 |
| Acute myocardial infarction, discharged alive with CCMS-DRG 281, medical | 14 | $54,192 | $6,312 | $11,001 | 0.91 |
| Circulatory disorders except AMI, with cardiac catheterization without MCCMS-DRG 287, medical | 14 | $84,268 | $8,741 | $17,106 | 1.08 |
| Cardiac arrhythmia and conduction disorders with MCCMS-DRG 308, medical | 13 | $58,872 | $9,968 | $11,951 | 1.20 |
| Cardiac arrhythmia and conduction disorders with CCMS-DRG 309, medical | 13 | $58,856 | $5,158 | $11,948 | 0.74 |
| Circulatory disorders except AMI, with cardiac catheterization with MCCMS-DRG 286, medical | 12 | $107,165 | $17,974 | $21,755 | 2.16 |
| Other circulatory system diagnoses with MCCMS-DRG 314, medical | 11 | $108,459 | $18,361 | $22,017 | 2.09 |
Kidney and urinary tract206 discharges in 6 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Kidney and urinary tract infections without MCCMS-DRG 690, medical | 53 | $46,743 | $6,535 | $9,489 | 0.81 |
| Kidney and urinary tract infections with MCCMS-DRG 689, medical | 44 | $59,953 | $9,666 | $12,171 | 1.17 |
| Renal failure with MCCMS-DRG 682, medical | 36 | $76,126 | $11,371 | $15,454 | 1.50 |
| Other kidney and urinary tract diagnoses with MCCMS-DRG 698, medical | 33 | $112,932 | $15,390 | $22,925 | 1.65 |
| Renal failure with CCMS-DRG 683, medical | 23 | $56,541 | $7,439 | $11,478 | 0.90 |
| Other kidney and urinary tract diagnoses with CCMS-DRG 699, medical | 17 | $59,171 | $8,131 | $12,012 | 1.02 |
Digestive system199 discharges in 8 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Esophagitis, gastroenteritis and miscellaneous digestive disorders without MCCMS-DRG 392, medical | 50 | $42,861 | $6,066 | $8,701 | 0.79 |
| Gastrointestinal hemorrhage with MCCMS-DRG 377, medical | 42 | $97,652 | $13,813 | $19,823 | 1.79 |
| Gastrointestinal hemorrhage with CCMS-DRG 378, medical | 33 | $63,512 | $7,949 | $12,893 | 0.98 |
| Other digestive system diagnoses with MCCMS-DRG 393, medical | 18 | $65,268 | $13,752 | $13,249 | 1.62 |
| Esophagitis, gastroenteritis and miscellaneous digestive disorders with MCCMS-DRG 391, medical | 17 | $58,417 | $10,761 | $11,859 | 1.28 |
| Other digestive system diagnoses with CCMS-DRG 394, medical | 14 | $72,624 | $7,146 | $14,743 | 0.94 |
| Gastrointestinal obstruction with CCMS-DRG 389, medical | 13 | $60,993 | $6,496 | $12,382 | 0.80 |
| Major small and large bowel procedures with MCCMS-DRG 329, surgical | 12 | $245,026 | $38,286 | $49,740 | 4.52 |
Respiratory system193 discharges in 9 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Respiratory infections and inflammations with MCCMS-DRG 177, medical | 37 | $86,001 | $14,017 | $17,458 | 1.70 |
| Simple pneumonia and pleurisy with MCCMS-DRG 193, medical | 36 | $82,870 | $10,664 | $16,823 | 1.33 |
| Respiratory infections and inflammations with CCMS-DRG 178, medical | 21 | $75,744 | $8,453 | $15,376 | 0.99 |
| Chronic obstructive pulmonary disease with MCCMS-DRG 190, medical | 20 | $69,914 | $9,397 | $14,193 | 1.10 |
| Chronic obstructive pulmonary disease with CCMS-DRG 191, medical | 20 | $62,232 | $7,114 | $12,633 | 0.85 |
| Simple pneumonia and pleurisy with CCMS-DRG 194, medical | 20 | $53,336 | $6,461 | $10,827 | 0.82 |
| Pulmonary edema and respiratory failureMS-DRG 189, medical | 15 | $78,643 | $10,716 | $15,964 | 1.23 |
| Bronchitis and asthma with cc/mccMS-DRG 202, medical | 13 | $56,202 | $7,076 | $11,409 | 0.96 |
| Respiratory system diagnosis with ventilator support >96 hoursMS-DRG 207, medical | 11 | $239,043 | $60,667 | $48,526 | 6.91 |
Nervous system107 discharges in 6 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Intracranial hemorrhage or cerebral infarction with MCCMS-DRG 064, medical | 26 | $102,293 | $16,050 | $20,765 | 2.00 |
| Intracranial hemorrhage or cerebral infarction with CC or tpa in 24 hoursMS-DRG 065, medical | 23 | $56,443 | $8,305 | $11,458 | 1.02 |
| Degenerative nervous system disorders without MCCMS-DRG 057, medical | 18 | $52,303 | $10,885 | $10,618 | 1.36 |
| Seizures without MCCMS-DRG 101, medical | 16 | $55,544 | $7,513 | $11,275 | 0.91 |
| Degenerative nervous system disorders with MCCMS-DRG 056, medical | 12 | $96,554 | $18,987 | $19,601 | 2.39 |
| Seizures with MCCMS-DRG 100, medical | 12 | $70,727 | $13,690 | $14,358 | 1.98 |
Endocrine, nutritional and metabolic88 discharges in 4 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes with MCCMS-DRG 640, medical | 34 | $64,372 | $10,532 | $13,067 | 1.32 |
| Diabetes with CCMS-DRG 638, medical | 22 | $58,455 | $6,623 | $11,866 | 0.90 |
| Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without MCCMS-DRG 641, medical | 21 | $45,886 | $6,010 | $9,315 | 0.78 |
| Diabetes with MCCMS-DRG 637, medical | 11 | $161,892 | $14,476 | $32,864 | 1.45 |
Skin, subcutaneous tissue and breast58 discharges in 2 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Cellulitis without MCCMS-DRG 603, medical | 42 | $49,781 | $6,910 | $10,106 | 0.88 |
| Cellulitis with MCCMS-DRG 602, medical | 16 | $69,632 | $12,364 | $14,135 | 1.49 |
Musculoskeletal system and connective tissue55 discharges in 3 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Medical back problems without MCCMS-DRG 552, medical | 28 | $44,137 | $7,709 | $8,960 | 0.97 |
| Major hip and knee joint replacement or reattachment of lower extremity without MCCMS-DRG 470, surgical | 14 | $102,071 | $15,624 | $20,720 | 1.88 |
| Hip and femur procedures except major joint with CCMS-DRG 481, surgical | 13 | $92,005 | $14,995 | $18,677 | 2.07 |
Blood and immune system31 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Red blood cell disorders with MCCMS-DRG 811, medical | 31 | $72,489 | $12,046 | $14,715 | 1.40 |
Mental diseases and disorders19 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Organic disturbances and intellectual disabilityMS-DRG 884, medical | 19 | $83,301 | $14,011 | $16,910 | 1.76 |
Ear, nose, mouth and throat17 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| DysequilibriumMS-DRG 149, medical | 17 | $64,922 | $6,008 | $13,179 | 0.74 |
Source: CMS Medicare Inpatient Hospitals by Provider and Service (2024 data, released 2026-04-10), traditional Medicare only; CMS omits DRGs with fewer than 11 discharges. Estimated cost is average charges times the hospital's Medicare cost-to-charge ratio from the IPPS Impact File. Weights are the MS-DRG relative weights for the same year.
Outpatient services
| Service group | Services | Patients | Average charges | Average Medicare payment | US average payment |
|---|---|---|---|---|---|
| Comprehensive Observation ServicesAPC 8011 | 383 | 334 | $29,260 | $2,402 | $2,090 |
| Level 2 Excision/ Biopsy/ Incision and DrainageAPC 5072 | 101 | 87 | $11,612 | $1,422 | $1,220 |
| Level 1 Nerve ProceduresAPC 5431 | 85 | 79 | $19,780 | $1,713 | $1,407 |
| Level 3 Vascular ProceduresAPC 5183 | 49 | 49 | $24,402 | $2,803 | $2,405 |
| Level 4 Urology and Related ServicesAPC 5374 | 46 | 38 | $21,771 | $3,067 | $2,629 |
| Level 3 Urology and Related ServicesAPC 5373 | 44 | 25 | $23,616 | $1,829 | $1,516 |
| Level 1 Laparoscopy and Related ServicesAPC 5361 | 34 | 34 | $40,705 | $5,177 | $4,358 |
| Level 3 Excision/ Biopsy/ Incision and DrainageAPC 5073 | 29 | 29 | $19,758 | $2,549 | $2,141 |
| Level 3 Endovascular ProceduresAPC 5193 | 27 | 23 | $84,487 | $10,737 | $8,874 |
| Level 5 Urology and Related ServicesAPC 5375 | 26 | 23 | $33,205 | $4,645 | $3,918 |
| Level 4 Musculoskeletal ProceduresAPC 5114 | 22 | 21 | $38,116 | $6,427 | $5,339 |
| Level 4 Vascular ProceduresAPC 5184 | 21 | 20 | $37,208 | $4,934 | $3,946 |
| Level 4 Gynecologic ProceduresAPC 5414 | 19 | 18 | $17,243 | $2,807 | $2,389 |
| Level 2 Breast/Lymphatic Surgery and Related ProceduresAPC 5092 | 18 | 18 | $40,864 | $5,854 | $4,982 |
| Level 2 Intraocular ProceduresAPC 5492 | 17 | 16 | $19,435 | $3,650 | $3,116 |
| Level 1 Endovascular ProceduresAPC 5191 | 15 | 15 | $25,003 | $2,635 | $2,208 |
| Level 1 Breast/Lymphatic Surgery and Related ProceduresAPC 5091 | 14 | 14 | $24,427 | $3,422 | $2,930 |
| Level 2 Upper GI ProceduresAPC 5302 | 14 | 14 | $15,327 | $1,708 | $1,445 |
| Level 5 Musculoskeletal ProceduresAPC 5115 | 12 | 12 | $105,859 | $12,073 | $10,772 |
| Level 1 Abdominal/Peritoneal/Biliary and Related ProceduresAPC 5341 | 12 | 12 | $26,389 | $3,106 | $2,636 |
Source: CMS Medicare Outpatient Hospitals by Provider and Service (2024 data, released 2026-06-24), comprehensive APCs for traditional Medicare; CMS omits services with fewer than 11 claims. The US average weights every hospital by its services.