Massachusetts / Cambridge Health Alliance

CMS certification 220011 · Cambridge, MA

Cambridge Health Alliance: charges and Medicare payments

Cambridge Health Alliance reported 605 Medicare inpatient stays across 20 DRGs in 2024. Across them it charged 1.1 times what it was paid — among the lower ratios in Massachusetts, number 52 of 52 hospitals with at least 100 stays (state median 2×, national 4.15×). Its most frequent stay was DRG 871, Septicemia or Severe Sepsis without MV >96 Hours with MCC: 109 stays at an average charge of $31,295, 65% below the national average. It also billed 596 outpatient services, charging 2.34 times what Medicare paid.

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  1. 1Medicare inpatient stays 605
  2. 2Charge ÷ paid, inpatient 1.1×
  3. 3Rank in MA (highest ratio = 1) 52 of 52
  4. 4CMS price-transparency actions 0
DRG 871$31,295DRG 291$26,435DRG 193$23,171DRG 190$18,202DRG 177$28,791DRG 641$15,438DRG 280$36,427DRG 897$13,461DRG 392$19,821DRG 470$20,965
Average charge per stay at Cambridge Health Alliance, its 10 most frequent DRGs, bars to scale. Source: CMS DY2024.

Inpatient stays

For the 20 DRGs that can be compared with the national average, Cambridge Health Alliance charged more than the national average in 0 (0%). Payments follow Medicare's rates, so they usually vary far less than charges.

DRGStaysAvg chargevs USAvg paid
871 Septicemia or Severe Sepsis without MV >96 Hours with MCC109$31,295-65%$27,491
291 Heart Failure and Shock with MCC85$26,435-53%$22,034
193 Simple Pneumonia and Pleurisy with MCC53$23,171-61%$21,212
190 Chronic Obstructive Pulmonary Disease with MCC51$18,202-64%$18,546
177 Respiratory Infections and Inflammations with MCC40$28,791-59%$24,604
641 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and...28$15,438-58%$15,330
280 Acute Myocardial Infarction, Discharged Alive with MCC24$36,427-52%$28,117
897 Alcohol, Drug Abuse or Dependence without Rehabilitation...23$13,461-64%$15,699
392 Esophagitis, Gastroenteritis and Miscellaneous Digestive...22$19,821-51%$15,617
470 Major Hip and Knee Joint Replacement or Reattachment of...21$20,965-78%$27,365
189 Pulmonary Edema and Respiratory Failure20$24,063-58%$20,793
481 Hip and Femur Procedures except Major Joint with CC20$30,802-69%$28,872
682 Renal Failure with MCC19$32,335-51%$27,390
683 Renal Failure with CC16$15,111-63%$16,146
690 Kidney and Urinary Tract Infections without MCC16$15,549-59%$15,474
698 Other Kidney and Urinary Tract Diagnoses with MCC13$23,284-68%$24,189
872 Septicemia or Severe Sepsis without MV >96 Hours without MCC12$18,884-61%$18,253
312 Syncope and Collapse11$16,056-65%$16,148
603 Cellulitis without MCC11$16,202-57%$16,572
640 Miscellaneous Disorders of Nutrition, Metabolism, Fluids and...11$19,207-68%$21,398

Outpatient services

Against the Massachusetts average

For Septicemia or Severe Sepsis without MV >96 Hours with MCC (DRG 871), Cambridge Health Alliance charged $31,295 on average, 31% less than the Massachusetts average of $45,229, and was paid $27,491 against a state average of $19,536. For Heart Failure and Shock with MCC (DRG 291), Cambridge Health Alliance charged $26,435 on average, 13% less than the Massachusetts average of $30,373, and was paid $22,034 against a state average of $12,996. For Simple Pneumonia and Pleurisy with MCC (DRG 193), Cambridge Health Alliance charged $23,171 on average, 17% less than the Massachusetts average of $28,077, and was paid $21,212 against a state average of $12,627. For Chronic Obstructive Pulmonary Disease with MCC (DRG 190), Cambridge Health Alliance charged $18,202 on average, 26% less than the Massachusetts average of $24,763, and was paid $18,546 against a state average of $11,047. For Level 1 Intraocular Procedures (outpatient APC 5491), its average charge of $4,987 was 30% below the state average of $7,172. For Level 2 Urology and Related Services (outpatient APC 5372), its average charge of $2,405 was 8% below the state average of $2,606. For Level 2 Excision/ Biopsy/ Incision and Drainage (outpatient APC 5072), its average charge of $3,049 was 54% below the state average of $6,596. For Level 3 Urology and Related Services (outpatient APC 5373), its average charge of $4,931 was 36% below the state average of $7,692.

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.