Greenwich Hospital Association -: charges and Medicare payments

Greenwich Hospital Association - reported 2,160 Medicare inpatient stays across 68 DRGs in 2024. Across them it charged 3.45 times what it was paid — mid-range in Connecticut, number 12 of 25 hospitals with at least 100 stays (state median 3.43×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 333 stays at an average charge of $59,564, 34% below the national average. It also billed 3,571 outpatient services, charging 6.43 times what Medicare paid.

1Medicare inpatient stays 2,160
2Charge ÷ paid, inpatient 3.45×
3Rank in CT (highest ratio = 1) 12 of 25
4CMS price-transparency actions 0

Average charge per stay at Greenwich Hospital Association -, its 10 most frequent DRGs, bars to scale. Source: CMS DY2024.

Inpatient stays

For the 68 DRGs that can be compared with the national average, Greenwich Hospital Association - charged more than the national average in 0 (0%). 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	333	$59,564	-34%	$17,989
177 Respiratory Infections and Inflammations with MCC	163	$52,882	-25%	$15,433
291 Heart Failure and Shock with MCC	125	$41,941	-26%	$12,050
193 Simple Pneumonia and Pleurisy with MCC	83	$51,215	-14%	$12,159
872 Septicemia or Severe Sepsis without MV >96 Hours without MCC	56	$30,885	-37%	$10,073
689 Kidney and Urinary Tract Infections with MCC	54	$37,723	-27%	$10,538
683 Renal Failure with CC	52	$26,135	-36%	$7,966
309 Cardiac Arrhythmia and Conduction Disorders with CC	47	$25,025	-31%	$6,905
392 Esophagitis, Gastroenteritis and Miscellaneous Digestive...	46	$23,817	-41%	$7,570
603 Cellulitis without MCC	46	$23,113	-38%	$8,087
690 Kidney and Urinary Tract Infections without MCC	46	$27,876	-26%	$7,388
682 Renal Failure with MCC	43	$38,359	-42%	$12,799
640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and...	42	$41,843	-31%	$12,036
698 Other Kidney and Urinary Tract Diagnoses with MCC	40	$43,382	-41%	$14,892
189 Pulmonary Edema and Respiratory Failure	37	$42,126	-27%	$13,080
853 Infectious and Parasitic Diseases with O.R. Procedures with...	37	$139,722	-39%	$45,407
481 Hip and Femur Procedures except Major Joint with CC	32	$67,765	-33%	$18,575
064 Intracranial Hemorrhage or Cerebral Infarction with MCC	31	$48,248	-52%	$17,601
194 Simple Pneumonia and Pleurisy with CC	31	$22,992	-40%	$7,599
377 Gastrointestinal Hemorrhage with MCC	30	$47,143	-45%	$15,676
522 Hip Replacement with Principal Diagnosis of Hip Fracture...	28	$95,628	-7%	$19,412
308 Cardiac Arrhythmia and Conduction Disorders with MCC	27	$39,642	-30%	$11,864
065 Intracranial Hemorrhage or Cerebral Infarction with CC or...	26	$36,374	-35%	$9,201
178 Respiratory Infections and Inflammations with CC	26	$34,496	-24%	$9,068
470 Major Hip and Knee Joint Replacement or Reattachment of...	25	$90,717	-3%	$19,183
280 Acute Myocardial Infarction, Discharged Alive with MCC	23	$46,395	-39%	$13,445
378 Gastrointestinal Hemorrhage with CC	23	$32,546	-33%	$9,135
552 Medical Back Problems without MCC	23	$32,436	-34%	$8,976
312 Syncope and Collapse	22	$35,044	-23%	$7,703
329 Major Small and Large Bowel Procedures with MCC	21	$138,335	-36%	$44,878
811 Red Blood Cell Disorders with MCC	21	$40,944	-40%	$14,366
305 Hypertension without MCC	20	$24,798	-38%	$8,164
813 Coagulation Disorders	20	$38,777	-52%	$13,723
202 Bronchitis and Asthma with CC/MCC	19	$30,553	-34%	$8,571
454 Combined Anterior and Posterior Spinal Fusion with CC	18	$280,530	0%	$76,571
641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and...	18	$33,283	-10%	$7,249
699 Other Kidney and Urinary Tract Diagnoses with CC	18	$25,306	-47%	$9,116
812 Red Blood Cell Disorders without MCC	18	$32,491	-27%	$8,812
391 Esophagitis, Gastroenteritis and Miscellaneous Digestive...	17	$35,943	-41%	$11,815
393 Other Digestive System Diagnoses with MCC	16	$36,829	-52%	$15,020
521 Hip Replacement with Principal Diagnosis of Hip Fracture...	16	$108,822	-20%	$25,866
605 Trauma To The Skin, Subcutaneous Tissue and Breast without...	16	$31,471	-32%	$8,530
057 Degenerative Nervous System Disorders without MCC	15	$47,656	-16%	$12,448
281 Acute Myocardial Infarction, Discharged Alive with CC	15	$21,614	-57%	$8,713
205 Other Respiratory System Diagnoses with MCC	14	$50,716	-43%	$13,950
287 Circulatory Disorders except AMI, with Cardiac...	14	$39,923	-38%	$10,438
330 Major Small and Large Bowel Procedures with CC	14	$103,434	-13%	$21,706
563 Fracture, Sprain, Strain and Dislocation except Femur, Hip,...	14	$31,315	-27%	$8,216
602 Cellulitis with MCC	14	$37,235	-38%	$13,231
190 Chronic Obstructive Pulmonary Disease with MCC	13	$50,427	0%	$10,364
286 Circulatory Disorders except AMI, with Cardiac...	13	$64,473	-43%	$19,990
371 Major Gastrointestinal Disorders and Peritoneal Infections...	13	$47,757	-39%	$15,820
389 Gastrointestinal Obstruction with CC	13	$19,951	-49%	$7,378
435 Malignancy of Hepatobiliary System or Pancreas with MCC	13	$58,383	-38%	$16,556
480 Hip and Femur Procedures except Major Joint with MCC	13	$90,185	-35%	$28,618
086 Traumatic Stupor and Coma <1 Hour with CC	12	$46,212	-32%	$11,174
467 Revision of Hip or Knee Replacement with CC	12	$148,121	-6%	$29,724
535 Fractures of Hip and Pelvis with MCC	12	$48,362	-17%	$12,276
638 Diabetes with CC	12	$22,290	-47%	$8,440
082 Traumatic Stupor and Coma >1 Hour with MCC	11	$39,608	-66%	$21,006

Showing the 60 most frequent of 68 DRGs.

Outpatient services

Service (APC)	Services	Avg charge	Medicare allowed
Comprehensive Observation Services	917	$25,925	$3,038
Level 1 Intraocular Procedures	715	$9,736	$2,444
Level 5 Musculoskeletal Procedures	386	$68,386	$14,695
Level 2 Urology and Related Services	207	$2,935	$758
Level 2 Excision/ Biopsy/ Incision and Drainage	186	$9,030	$1,782
Level 4 Urology and Related Services	107	$16,671	$3,905
Level 3 Urology and Related Services	101	$9,363	$2,031
Level 6 Musculoskeletal Procedures	90	$103,551	$20,939
Level 5 Urology and Related Services	81	$21,923	$5,771
Level 1 Laparoscopy and Related Services	79	$53,597	$6,401
Level 4 Musculoskeletal Procedures	72	$46,304	$7,790
Level 3 Excision/ Biopsy/ Incision and Drainage	64	$18,274	$3,081
Level 3 Intraocular Procedures	59	$18,471	$5,272
Level 1 Breast/Lymphatic Surgery and Related Procedures	57	$31,510	$4,294
Level 2 Upper GI Procedures	54	$10,136	$2,143
Level 1 Nerve Procedures	52	$4,872	$2,150
Level 1 Abdominal/Peritoneal/Biliary and Related Procedures	42	$25,911	$3,674
Level 4 Gynecologic Procedures	34	$12,805	$2,838
Level 1 Endovascular Procedures	31	$14,259	$3,676
Level 2 Intraocular Procedures	27	$14,678	$4,173
Level 2 Musculoskeletal Procedures	25	$8,774	$1,810
Level 2 Vascular Procedures	22	$11,844	$1,804
Level 3 Vascular Procedures	21	$18,807	$3,590
Level 2 Laparoscopy and Related Services	21	$61,317	$11,116
Level 3 Pacemaker and Similar Procedures	20	$33,636	$12,012

Against the Connecticut average

For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Greenwich Hospital Association - charged $59,564 on average, 14% less than the Connecticut average of $69,366, and was paid $17,989 against a state average of $20,799. For Respiratory Infections and Inflammations with MCC (DRG 177), Greenwich Hospital Association - charged $52,882 on average, 5% less than the Connecticut average of $55,851, and was paid $15,433 against a state average of $17,501. For Heart Failure and Shock with MCC (DRG 291), Greenwich Hospital Association - charged $41,941 on average, 18% less than the Connecticut average of $51,456, and was paid $12,050 against a state average of $13,920. For Simple Pneumonia and Pleurisy with MCC (DRG 193), Greenwich Hospital Association - charged $51,215 on average, 4% more than the Connecticut average of $49,093, and was paid $12,159 against a state average of $14,233. For Comprehensive Observation Services (outpatient APC 8011), its average charge of $25,925 was 10% above the state average of $23,465. For Level 1 Intraocular Procedures (outpatient APC 5491), its average charge of $9,736 was 2% below the state average of $9,887. For Level 5 Musculoskeletal Procedures (outpatient APC 5115), its average charge of $68,386 was 38% above the state average of $49,698. For Level 2 Urology and Related Services (outpatient APC 5372), its average charge of $2,935 was 0% below the state average of $2,939.

Price-transparency record

No action in CMS's price-transparency enforcement list (July 2026) matches this hospital's exact name, city and state. That can mean CMS has not reviewed it, or that it is listed under a different name.

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.