Northern Westchester Hospital Medicare inpatient and outpatient services
Every DRG and outpatient service group CMS publishes for Northern Westchester Hospital, Mount Kisco, NY in 2024, from traditional Medicare claims. Back to the Northern Westchester Hospital profile, with quality ratings, finances and negotiated rates.
1,658
Medicare inpatient discharges
In 57 published DRGs
1.80
Case mix index
IPPS FY 2027
17%
Surgical stays
74%
Stays with complications
In DRGs with a CC or MCC
3,441
Medicare outpatient services
In 37 service groups
Inpatient stays by major diagnostic category
Circulatory system381 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 | 118 | $51,357 | $9,496 | $15,561 | 1.28 |
| Acute myocardial infarction, discharged alive with MCCMS-DRG 280, medical | 50 | $69,874 | $11,388 | $21,172 | 1.59 |
| Circulatory disorders except AMI, with cardiac catheterization without MCCMS-DRG 287, medical | 47 | $57,279 | $7,006 | $17,356 | 1.08 |
| Percutaneous cardiovascular procedures with intraluminal device without MCCMS-DRG 322, surgical | 33 | $136,590 | $13,402 | $41,387 | 1.82 |
| Circulatory disorders except AMI, with cardiac catheterization with MCCMS-DRG 286, medical | 26 | $92,582 | $16,441 | $28,052 | 2.16 |
| Acute myocardial infarction, discharged alive with CCMS-DRG 281, medical | 19 | $52,788 | $6,931 | $15,995 | 0.91 |
| Cardiac arrhythmia and conduction disorders with CCMS-DRG 309, medical | 18 | $32,853 | $4,506 | $9,955 | 0.74 |
| Cardiac arrhythmia and conduction disorders with MCCMS-DRG 308, medical | 17 | $47,882 | $7,283 | $14,508 | 1.20 |
| Percutaneous cardiovascular procedures with intraluminal device with MCC or 4+ arteries/MS-DRG 321, surgical | 17 | $139,518 | $23,464 | $42,274 | 2.87 |
| Permanent cardiac pacemaker implant with CCMS-DRG 243, surgical | 13 | $89,325 | $17,342 | $27,065 | 2.28 |
| Syncope and collapseMS-DRG 312, medical | 12 | $35,836 | $6,272 | $10,858 | 0.86 |
| Cardiac arrhythmia and conduction disorders without cc/mccMS-DRG 310, medical | 11 | $33,463 | $2,696 | $10,139 | 0.55 |
Infectious and parasitic diseases369 discharges in 3 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 | 254 | $65,381 | $14,678 | $19,810 | 1.98 |
| Septicemia or severe sepsis without MV >96 hours without MCCMS-DRG 872, medical | 81 | $43,445 | $7,002 | $13,164 | 1.03 |
| Infectious and parasitic diseases with o.r. procedures with MCCMS-DRG 853, surgical | 34 | $130,553 | $35,138 | $39,557 | 5.00 |
Digestive system229 discharges in 13 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Gastrointestinal hemorrhage with CCMS-DRG 378, medical | 28 | $42,918 | $7,180 | $13,004 | 0.98 |
| Esophagitis, gastroenteritis and miscellaneous digestive disorders without MCCMS-DRG 392, medical | 25 | $29,422 | $5,041 | $8,915 | 0.79 |
| Major small and large bowel procedures with CCMS-DRG 330, surgical | 24 | $95,281 | $17,131 | $28,870 | 2.37 |
| Major small and large bowel procedures with MCCMS-DRG 329, surgical | 22 | $166,556 | $33,652 | $50,466 | 4.52 |
| Major small and large bowel procedures without cc/mccMS-DRG 331, surgical | 18 | $76,324 | $12,085 | $23,126 | 1.67 |
| Gastrointestinal hemorrhage with MCCMS-DRG 377, medical | 17 | $80,196 | $13,948 | $24,299 | 1.79 |
| Esophagitis, gastroenteritis and miscellaneous digestive disorders with MCCMS-DRG 391, medical | 16 | $55,582 | $9,289 | $16,841 | 1.28 |
| Other digestive system diagnoses with MCCMS-DRG 393, medical | 16 | $58,320 | $12,685 | $17,671 | 1.62 |
| Gastrointestinal obstruction with MCCMS-DRG 388, medical | 14 | $52,685 | $10,478 | $15,964 | 1.45 |
| Gastrointestinal obstruction with CCMS-DRG 389, medical | 14 | $36,537 | $5,178 | $11,071 | 0.80 |
| Digestive malignancy with MCCMS-DRG 374, medical | 12 | $75,078 | $14,871 | $22,749 | 2.10 |
| Gastrointestinal obstruction without cc/mccMS-DRG 390, medical | 12 | $23,236 | $3,000 | $7,040 | 0.56 |
| Major gastrointestinal disorders and peritoneal infections with CCMS-DRG 372, medical | 11 | $33,996 | $6,598 | $10,301 | 1.04 |
Kidney and urinary tract218 discharges in 7 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Other kidney and urinary tract diagnoses with MCCMS-DRG 698, medical | 51 | $60,725 | $12,289 | $18,400 | 1.65 |
| Renal failure with CCMS-DRG 683, medical | 42 | $33,704 | $6,241 | $10,212 | 0.90 |
| Kidney and urinary tract infections without MCCMS-DRG 690, medical | 39 | $39,613 | $4,712 | $12,003 | 0.81 |
| Kidney and urinary tract infections with MCCMS-DRG 689, medical | 34 | $44,089 | $9,465 | $13,359 | 1.17 |
| Renal failure with MCCMS-DRG 682, medical | 24 | $43,409 | $11,665 | $13,153 | 1.50 |
| Other kidney and urinary tract diagnoses with CCMS-DRG 699, medical | 16 | $37,618 | $6,963 | $11,398 | 1.02 |
| Kidney and ureter procedures for non-neoplasm with CCMS-DRG 660, surgical | 12 | $42,136 | $9,109 | $12,767 | 1.35 |
Respiratory system183 discharges in 6 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Simple pneumonia and pleurisy with MCCMS-DRG 193, medical | 50 | $46,668 | $8,821 | $14,140 | 1.33 |
| Respiratory infections and inflammations with MCCMS-DRG 177, medical | 44 | $53,434 | $11,929 | $16,191 | 1.70 |
| Pulmonary edema and respiratory failureMS-DRG 189, medical | 39 | $48,857 | $8,996 | $14,804 | 1.23 |
| Chronic obstructive pulmonary disease with MCCMS-DRG 190, medical | 20 | $52,268 | $7,694 | $15,837 | 1.10 |
| Simple pneumonia and pleurisy with CCMS-DRG 194, medical | 17 | $35,136 | $5,355 | $10,646 | 0.82 |
| Major chest procedures with CCMS-DRG 164, surgical | 13 | $85,926 | $19,099 | $26,035 | 2.55 |
Musculoskeletal system and connective tissue124 discharges in 7 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Hip and femur procedures except major joint with CCMS-DRG 481, surgical | 26 | $76,039 | $14,971 | $23,040 | 2.07 |
| Medical back problems without MCCMS-DRG 552, medical | 21 | $42,585 | $6,702 | $12,903 | 0.97 |
| Hip and femur procedures except major joint with MCCMS-DRG 480, surgical | 19 | $111,254 | $21,195 | $33,710 | 2.95 |
| Hip replacement with principal diagnosis of hip fracture without MCCMS-DRG 522, surgical | 16 | $82,360 | $16,346 | $24,955 | 2.11 |
| Revision of hip or knee replacement with CCMS-DRG 467, surgical | 15 | $125,561 | $25,294 | $38,045 | 3.49 |
| Fractures of hip and pelvis without MCCMS-DRG 536, medical | 15 | $25,385 | $5,052 | $7,692 | 0.79 |
| Spinal fusion except cervical without MCCMS-DRG 460, surgical | 12 | $101,313 | $23,121 | $30,698 | 3.66 |
Nervous system67 discharges in 4 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Intracranial hemorrhage or cerebral infarction with MCCMS-DRG 064, medical | 23 | $73,096 | $14,311 | $22,148 | 2.00 |
| Intracranial hemorrhage or cerebral infarction with CC or tpa in 24 hoursMS-DRG 065, medical | 16 | $45,635 | $7,159 | $13,827 | 1.02 |
| Degenerative nervous system disorders without MCCMS-DRG 057, medical | 15 | $55,121 | $10,174 | $16,702 | 1.36 |
| Craniotomy and endovascular intracranial procedures with MCCMS-DRG 025, surgical | 13 | $162,284 | $35,689 | $49,172 | 4.42 |
Endocrine, nutritional and metabolic48 discharges in 3 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 | 26 | $55,613 | $9,918 | $16,851 | 1.32 |
| Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without MCCMS-DRG 641, medical | 11 | $34,606 | $4,756 | $10,486 | 0.78 |
| Endocrine disorders with CCMS-DRG 644, medical | 11 | $42,186 | $7,732 | $12,782 | 1.06 |
Skin, subcutaneous tissue and breast24 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Cellulitis without MCCMS-DRG 603, medical | 24 | $37,917 | $5,635 | $11,489 | 0.88 |
Blood and immune system15 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 | 15 | $58,434 | $11,237 | $17,705 | 1.40 |
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 | 948 | 864 | $25,354 | $2,246 | $2,090 |
| Level 1 Endovascular ProceduresAPC 5191 | 270 | 269 | $35,346 | $2,419 | $2,208 |
| Level 5 Musculoskeletal ProceduresAPC 5115 | 261 | 252 | $63,320 | $12,336 | $10,772 |
| Level 2 Excision/ Biopsy/ Incision and DrainageAPC 5072 | 187 | 164 | $10,275 | $1,361 | $1,220 |
| Level 2 Upper GI ProceduresAPC 5302 | 173 | 151 | $14,511 | $1,527 | $1,445 |
| Level 1 Laparoscopy and Related ServicesAPC 5361 | 159 | 159 | $36,728 | $4,718 | $4,358 |
| Level 4 Urology and Related ServicesAPC 5374 | 119 | 108 | $14,367 | $2,865 | $2,629 |
| Level 3 Endovascular ProceduresAPC 5193 | 107 | 102 | $91,937 | $9,934 | $8,874 |
| Level 5 Urology and Related ServicesAPC 5375 | 104 | 95 | $22,521 | $4,037 | $3,918 |
| Level 2 Intraocular ProceduresAPC 5492 | 102 | 86 | $14,381 | $3,433 | $3,116 |
| Level 4 Musculoskeletal ProceduresAPC 5114 | 86 | 85 | $31,268 | $6,067 | $5,339 |
| Level 3 Urology and Related ServicesAPC 5373 | 84 | 72 | $12,053 | $1,714 | $1,516 |
| Level 1 Breast/Lymphatic Surgery and Related ProceduresAPC 5091 | 60 | 56 | $34,912 | $3,191 | $2,930 |
| Level 3 Pacemaker and Similar ProceduresAPC 5223 | 58 | 58 | $49,145 | $9,380 | $8,569 |
| Level 3 Vascular ProceduresAPC 5183 | 57 | 54 | $16,219 | $2,626 | $2,405 |
| Level 2 Laparoscopy and Related ServicesAPC 5362 | 54 | 54 | $63,612 | $8,948 | $8,164 |
| Level 4 Gynecologic ProceduresAPC 5414 | 53 | 53 | $13,696 | $2,660 | $2,389 |
| Level 3 Excision/ Biopsy/ Incision and DrainageAPC 5073 | 42 | 41 | $19,245 | $2,282 | $2,141 |
| Level 3 Musculoskeletal ProceduresAPC 5113 | 42 | 41 | $18,903 | $2,681 | $2,373 |
| Level 6 Musculoskeletal ProceduresAPC 5116 | 42 | 42 | $91,775 | $17,940 | $15,763 |
| Level 2 Pacemaker and Similar ProceduresAPC 5222 | 39 | 39 | $53,150 | $7,120 | $6,514 |
| Level 2 Breast/Lymphatic Surgery and Related ProceduresAPC 5092 | 36 | 36 | $63,324 | $5,420 | $4,982 |
| Level 2 Musculoskeletal ProceduresAPC 5112 | 34 | 33 | $8,956 | $1,374 | $1,196 |
| Level 1 Abdominal/Peritoneal/Biliary and Related ProceduresAPC 5341 | 34 | 33 | $21,780 | $2,805 | $2,636 |
| Level 2 Endovascular ProceduresAPC 5192 | 31 | 31 | $49,470 | $4,848 | $4,338 |
| Level 1 Intraocular ProceduresAPC 5491 | 29 | 20 | $11,027 | $1,865 | $1,752 |
| Level 2 Vascular ProceduresAPC 5182 | 27 | 25 | $9,786 | $1,409 | $1,204 |
| Level 6 Urology and Related ServicesAPC 5376 | 27 | 26 | $32,254 | $8,055 | $7,291 |
| Level 7 Radiation TherapyAPC 5627 | 27 | 23 | $144,357 | $6,744 | $6,121 |
| Complex GI ProceduresAPC 5331 | 26 | 18 | $30,398 | $4,243 | $4,263 |
| Level 4 Airway EndoscopyAPC 5154 | 25 | 25 | $27,378 | $3,178 | $2,833 |
| Level 4 Pacemaker and Similar ProceduresAPC 5224 | 22 | 21 | $91,204 | $17,876 | $17,052 |
| Level 1 Nerve ProceduresAPC 5431 | 19 | 17 | $8,619 | $1,732 | $1,407 |
| Level 3 Upper GI ProceduresAPC 5303 | 18 | 18 | $19,801 | $2,971 | $2,888 |
| Level 3 Electrophysiologic ProceduresAPC 5213 | 15 | 14 | $128,627 | $22,954 | $21,117 |
| Level 5 ENT ProceduresAPC 5165 | 13 | 13 | $42,374 | $4,166 | $4,436 |
| Level 2 ICD and Similar ProceduresAPC 5232 | 11 | 11 | $156,413 | $33,090 | $29,375 |
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.