Posted commercial rates at 24 Massachusetts hospitals, each next to its own Medicare base rate.
Open in the explorerAll statesEvery bill for the whole procedure
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| South Shore Hospital South Weymouth | $19,147 | 0.9× | 2 | 2026-04-01 |
| Winchester Hospital Winchester | $20,306 | 1.0× | 4 | 2026-04-01 |
| Lahey Hospital & Medical Center, Burlington Burlington | $20,584 | 1.0× | 3 | 2026-04-01 |
| Beth Israel Deaconess Medical Center Boston | $20,633 | 1.0× | 3 | 2026-04-01 |
| Beverly Hospital Corporation Beverly | $20,684 | 1.0× | 3 | 2026-04-01 |
| Anna Jaques Hospital Newburyport | $20,684 | 1.0× | 3 | 2026-04-01 |
| Beth Israel Deaconess Hospital-Milton Inc Milton | $22,722 | 1.1× | 2 | 2026-04-01 |
| New England Baptist Hospital Boston | $22,934 | 1.1× | 5 | 2026-04-01 |
| Umass Memorial Health-Milford Regional Medical Ctr Milford | $23,458 | 1.1× | 2 | 2026-04-01 |
| Signature Healthcare Brockton Hospital Brockton | $24,362 | 1.2× | 2 | 2026-01-28 |
| Beth Israel Deaconess Hospital - Needham Needham | $25,802 | 1.2× | 2 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Plymouth Plymouth | $26,111 | 1.2× | 2 | 2026-04-01 |
| Mount Auburn Hospital Cambridge | $26,298 | 1.3× | 2 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Umass Memorial Medical Center Inc Worcester | $14,803 | 1.0× | 1 | 2026-03-26 |
| South Shore Hospital South Weymouth | $17,048 | 1.1× | 2 | 2026-04-01 |
| Beth Israel Deaconess Hospital-Milton Inc Milton | $19,986 | 1.3× | 2 | 2026-04-01 |
| Winchester Hospital Winchester | $20,306 | 1.3× | 4 | 2026-04-01 |
| Lahey Hospital & Medical Center, Burlington Burlington | $20,584 | 1.3× | 3 | 2026-04-01 |
| Beth Israel Deaconess Medical Center Boston | $20,633 | 1.3× | 3 | 2026-04-01 |
| Beverly Hospital Corporation Beverly | $20,684 | 1.3× | 3 | 2026-04-01 |
| Anna Jaques Hospital Newburyport | $20,684 | 1.3× | 3 | 2026-04-01 |
| New England Baptist Hospital Boston | $20,684 | 1.3× | 5 | 2026-04-01 |
| Signature Healthcare Brockton Hospital Brockton | $21,095 | 1.4× | 2 | 2026-01-28 |
| Beth Israel Deaconess Hospital - Needham Needham | $22,268 | 1.4× | 2 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Plymouth Plymouth | $22,590 | 1.5× | 2 | 2026-04-01 |
| Mount Auburn Hospital Cambridge | $22,713 | 1.5× | 2 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Emerson Hospital - W Concord | $19,487 | 0.8× | 1 | 2026-05-18 |
| Beth Israel Deaconess Hospital-Milton Inc Milton | $19,592 | 0.8× | 2 | 2026-04-01 |
| Anna Jaques Hospital Newburyport | $20,643 | 0.9× | 1 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Needham Needham | $21,253 | 0.9× | 2 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Plymouth Plymouth | $23,429 | 1.0× | 1 | 2026-04-01 |
| Massachusetts General Hospital Boston | $24,122 | 1.0× | 4 | 2026-03-27 |
| Mount Auburn Hospital Cambridge | $24,339 | 1.0× | 1 | 2026-04-01 |
| Beverly Hospital Corporation Beverly | $25,419 | 1.1× | 1 | 2026-04-01 |
| Winchester Hospital Winchester | $25,419 | 1.1× | 1 | 2026-04-01 |
| Holyoke Medical Center Holyoke | $27,148 | 1.1× | 6 | 2026-05-01 |
| Beth Israel Deaconess Medical Center Boston | $27,365 | 1.1× | 2 | 2026-04-01 |
| New England Baptist Hospital Boston | $29,294 | 1.2× | 3 | 2026-04-01 |
| Lowell General Hospital Lowell | $29,610 | 1.2× | 6 | 2026-04-01 |
| Berkshire Medical Center Inc - 1 Pittsfield | $32,465 | 1.4× | 3 | 2026-03-25 |
| Tufts Medical Center Boston | $34,781 | 1.5× | 7 | 2026-04-01 |
| Signature Healthcare Brockton Hospital Brockton | $35,566 | 1.5× | 4 | 2026-01-28 |
| Fairview Hospital Great Barrington | $37,505 | 1.6× | 1 | 2026-03-25 |
| North Adams Regional Hospital North Adams | $37,505 | 1.6× | 1 | 2026-03-25 |
| Brigham and Women's Hospital Boston | $39,562 | 1.7× | 2 | 2026-03-27 |
| Lahey Hospital & Medical Center, Burlington Burlington | $40,052 | 1.7× | 4 | 2026-04-01 |
| Mercy Medical Ctr Springfield | $45,360 | 1.9× | 9 | 2026-03-31 |
| Umass Memorial Medical Center Inc Worcester | $56,956 | 2.4× | 1 | 2026-03-26 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Emerson Hospital - W Concord | $25,009 | 0.8× | 1 | 2026-05-18 |
| Beth Israel Deaconess Hospital-Milton Inc Milton | $25,143 | 0.8× | 2 | 2026-04-01 |
| Anna Jaques Hospital Newburyport | $26,492 | 0.9× | 1 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Needham Needham | $27,275 | 0.9× | 2 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Plymouth Plymouth | $30,068 | 1.0× | 1 | 2026-04-01 |
| Mount Auburn Hospital Cambridge | $31,235 | 1.0× | 1 | 2026-04-01 |
| Brigham and Women's Hospital Boston | $32,550 | 1.1× | 1 | 2026-03-27 |
| Beverly Hospital Corporation Beverly | $32,621 | 1.1× | 1 | 2026-04-01 |
| Winchester Hospital Winchester | $32,621 | 1.1× | 1 | 2026-04-01 |
| Massachusetts General Hospital Boston | $32,824 | 1.1× | 1 | 2026-03-27 |
| Holyoke Medical Center Holyoke | $34,759 | 1.1× | 6 | 2026-05-01 |
| Beth Israel Deaconess Medical Center Boston | $35,118 | 1.1× | 2 | 2026-04-01 |
| New England Baptist Hospital Boston | $37,594 | 1.2× | 3 | 2026-04-01 |
| Berkshire Medical Center Inc - 1 Pittsfield | $41,663 | 1.4× | 3 | 2026-03-25 |
| Signature Healthcare Brockton Hospital Brockton | $43,158 | 1.4× | 4 | 2026-01-28 |
| Fairview Hospital Great Barrington | $48,131 | 1.6× | 1 | 2026-03-25 |
| North Adams Regional Hospital North Adams | $48,131 | 1.6× | 1 | 2026-03-25 |
| Lowell General Hospital Lowell | $49,770 | 1.6× | 5 | 2026-04-01 |
| Lahey Hospital & Medical Center, Burlington Burlington | $51,400 | 1.7× | 4 | 2026-04-01 |
| Umass Memorial Medical Center Inc Worcester | $56,956 | 1.9× | 1 | 2026-03-26 |
| Mercy Medical Ctr Springfield | $58,040 | 1.9× | 9 | 2026-03-31 |
| Tufts Medical Center Boston | $72,216 | 2.4× | 6 | 2026-04-01 |
| Hospital | Median across insurers | × Medicare | Insurers | File date |
|---|---|---|---|---|
| Brigham and Women's Hospital Boston | $35,278 | 0.8× | 2 | 2026-03-27 |
| Emerson Hospital - W Concord | $36,914 | 0.8× | 1 | 2026-05-18 |
| Beth Israel Deaconess Hospital-Milton Inc Milton | $37,112 | 0.8× | 2 | 2026-04-01 |
| Anna Jaques Hospital Newburyport | $39,103 | 0.9× | 1 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Needham Needham | $40,259 | 0.9× | 2 | 2026-04-01 |
| Massachusetts General Hospital Boston | $40,929 | 0.9× | 4 | 2026-03-27 |
| Beth Israel Deaconess Hospital - Plymouth Plymouth | $44,381 | 1.0× | 1 | 2026-04-01 |
| Mount Auburn Hospital Cambridge | $46,104 | 1.0× | 1 | 2026-04-01 |
| Beverly Hospital Corporation Beverly | $48,150 | 1.1× | 1 | 2026-04-01 |
| Winchester Hospital Winchester | $48,150 | 1.1× | 1 | 2026-04-01 |
| Tufts Medical Center Boston | $49,143 | 1.1× | 9 | 2026-04-01 |
| Holyoke Medical Center Holyoke | $51,168 | 1.1× | 6 | 2026-05-01 |
| Beth Israel Deaconess Medical Center Boston | $51,835 | 1.1× | 2 | 2026-04-01 |
| New England Baptist Hospital Boston | $55,490 | 1.2× | 3 | 2026-04-01 |
| Lowell General Hospital Lowell | $56,201 | 1.3× | 8 | 2026-04-01 |
| Umass Memorial Medical Center Inc Worcester | $56,956 | 1.3× | 1 | 2026-03-26 |
| Signature Healthcare Brockton Hospital Brockton | $59,530 | 1.3× | 4 | 2026-01-28 |
| Berkshire Medical Center Inc - 1 Pittsfield | $61,497 | 1.4× | 3 | 2026-03-25 |
| Fairview Hospital Great Barrington | $71,043 | 1.6× | 1 | 2026-03-25 |
| North Adams Regional Hospital North Adams | $71,043 | 1.6× | 1 | 2026-03-25 |
| Lahey Hospital & Medical Center, Burlington Burlington | $75,869 | 1.7× | 4 | 2026-04-01 |
24 Massachusetts hospitals post usable commercial rates for knee replacement revision in their federal price-transparency files. For CPT 27487, hospital outpatient, the median across 13 hospitals is $22,722, 1.1× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.