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Every commercial insurer rate these hospitals posted, as a dollar amount and as a multiple of the hospital's own Medicare base rate.
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CPT 27447
| Hospital · insurer | Rate | × Medicare | Plans |
|---|---|---|---|
| South Shore Hospital median $12,252 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $12,252 | 0.8× | 2 |
| Emerson Hospital - median $15,928 · local Medicare $15,386 · file 2026-05-18 | |||
| BCBS Massachusetts | $15,928 | 1.0× | 2 |
| Winchester Hospital median $17,177 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $17,177 | 1.1× | 2 |
| Cigna | $20,684 | 1.3× | 1 |
| UnitedHealthcare | $13,737 | 0.9× | 1 |
| Beverly Hospital Corporation median $19,206 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $17,729 | 1.2× | 1 |
| Cigna | $20,684 | 1.3× | 1 |
| New England Baptist Hospital median $20,523 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $25,543 | 1.7× | 2 |
| Cigna | $20,684 | 1.3× | 1 |
| Elevance/Anthem/Empire | $16,793 | 1.1× | 1 |
| UnitedHealthcare | $20,362 | 1.3× | 1 |
| Beth Israel Deaconess Hospital - Plymouth median $20,546 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $20,546 | 1.3× | 2 |
| Beth Israel Deaconess Hospital - Needham median $20,632 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $20,632 | 1.3× | 1 |
| Anna Jaques Hospital median $20,684 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $18,525 | 1.2× | 1 |
| Cigna | $20,684 | 1.3× | 1 |
| UnitedHealthcare | $23,263 | 1.5× | 1 |
| Mount Auburn Hospital median $20,926 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $20,926 | 1.4× | 2 |
| Lahey Hospital & Medical Center, Burlington median $22,121 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $23,658 | 1.5× | 1 |
| Cigna | $20,584 | 1.3× | 1 |
| Beth Israel Deaconess Medical Center median $23,156 · local Medicare $15,386 · file 2026-04-01 | |||
| BCBS Massachusetts | $25,680 | 1.7× | 2 |
| Cigna | $20,633 | 1.3× | 1 |
MS-DRG 470
| Hospital · insurer | Rate | × Medicare | Plans |
|---|---|---|---|
| Emerson Hospital - median $13,679 · local Medicare $16,707 · file 2026-05-18 | |||
| Aetna | $13,679 | 0.8× | 1 |
| Anna Jaques Hospital median $14,490 · local Medicare $16,707 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $14,490 | 0.9× | 1 |
| Beth Israel Deaconess Hospital - Needham median $14,918 · local Medicare $16,707 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $14,918 | 0.9× | 1 |
| MultiPlan/PHCS (rental network) | $38,154 | 2.3× | 1 |
| Beth Israel Deaconess Hospital - Plymouth median $16,446 · local Medicare $16,707 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $16,446 | 1.0× | 1 |
| Mount Auburn Hospital median $17,084 · local Medicare $16,707 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $17,084 | 1.0× | 1 |
| Beverly Hospital Corporation median $17,842 · local Medicare $16,707 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $17,842 | 1.1× | 1 |
| Winchester Hospital median $17,842 · local Medicare $16,707 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $17,842 | 1.1× | 1 |
| Beth Israel Deaconess Medical Center median $19,208 · local Medicare $16,707 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $19,208 | 1.1× | 1 |
| MultiPlan/PHCS (rental network) | $38,154 | 2.3× | 1 |
| New England Baptist Hospital median $20,562 · local Medicare $16,707 · file 2026-04-01 | |||
| Cigna | $21,558 | 1.3× | 1 |
| Elevance/Anthem/Empire | $20,562 | 1.2× | 1 |
| UnitedHealthcare | $19,540 | 1.2× | 1 |
| Lowell General Hospital median $24,055 · local Medicare $16,707 · file 2026-04-01 | |||
| BCBS Massachusetts | $20,648 | 1.2× | 2 |
| Cigna | $29,420 | 1.8× | 1 |
| Elevance/Anthem/Empire | $24,055 | 1.4× | 1 |
| Tufts Medical Center median $24,414 · local Medicare $16,707 · file 2026-04-01 | |||
| Aetna | $24,414 | 1.5× | 3 |
| BCBS Massachusetts | $23,957 | 1.4× | 2 |
| Elevance/Anthem/Empire | $40,019 | 2.4× | 1 |
| Lahey Hospital & Medical Center, Burlington median $28,114 · local Medicare $16,707 · file 2026-04-01 | |||
| BCBS Massachusetts | $32,251 | 1.9× | 1 |
| Cigna | $28,114 | 1.7× | 1 |
| Elevance/Anthem/Empire | $18,967 | 1.1× | 1 |
| MultiPlan/PHCS (rental network) | $40,231 | 2.4× | 1 |
MS-DRG 469
| Hospital · insurer | Rate | × Medicare | Plans |
|---|---|---|---|
| Emerson Hospital - median $21,510 · local Medicare $26,272 · file 2026-05-18 | |||
| Aetna | $21,510 | 0.8× | 1 |
| Anna Jaques Hospital median $22,785 · local Medicare $26,272 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $22,785 | 0.9× | 1 |
| Beth Israel Deaconess Hospital - Needham median $23,459 · local Medicare $26,272 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $23,459 | 0.9× | 1 |
| MultiPlan/PHCS (rental network) | $59,997 | 2.3× | 1 |
| Beth Israel Deaconess Hospital - Plymouth median $25,861 · local Medicare $26,272 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $25,861 | 1.0× | 1 |
| Mount Auburn Hospital median $26,865 · local Medicare $26,272 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $26,865 | 1.0× | 1 |
| Beverly Hospital Corporation median $28,057 · local Medicare $26,272 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $28,057 | 1.1× | 1 |
| Winchester Hospital median $28,057 · local Medicare $26,272 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $28,057 | 1.1× | 1 |
| Beth Israel Deaconess Medical Center median $30,205 · local Medicare $26,272 · file 2026-04-01 | |||
| Elevance/Anthem/Empire | $30,205 | 1.1× | 1 |
| MultiPlan/PHCS (rental network) | $59,997 | 2.3× | 1 |
| New England Baptist Hospital median $32,334 · local Medicare $26,272 · file 2026-04-01 | |||
| Cigna | $33,900 | 1.3× | 1 |
| Elevance/Anthem/Empire | $32,334 | 1.2× | 1 |
| UnitedHealthcare | $30,726 | 1.2× | 1 |
| Lowell General Hospital median $37,827 · local Medicare $26,272 · file 2026-04-01 | |||
| BCBS Massachusetts | $31,884 | 1.2× | 4 |
| Cigna | $46,262 | 1.8× | 1 |
| Elevance/Anthem/Empire | $37,827 | 1.4× | 1 |
| Lahey Hospital & Medical Center, Burlington median $44,209 · local Medicare $26,272 · file 2026-04-01 | |||
| BCBS Massachusetts | $50,714 | 1.9× | 1 |
| Cigna | $44,209 | 1.7× | 1 |
| Elevance/Anthem/Empire | $29,825 | 1.1× | 1 |
| MultiPlan/PHCS (rental network) | $63,263 | 2.4× | 1 |
| Tufts Medical Center median $49,843 · local Medicare $26,272 · file 2026-04-01 | |||
| Aetna | $38,391 | 1.5× | 3 |
| BCBS Massachusetts | $21,140 | 0.8× | 4 |
| Cigna | $61,295 | 2.3× | 1 |
| Elevance/Anthem/Empire | $62,930 | 2.4× | 1 |
Questions
How much does knee replacement cost with commercial insurance in Boston MA?
11 Boston MA hospitals post usable commercial rates for CPT 27447, hospital outpatient. The median across hospitals is $20,546; hospital medians range from $12,252 to $23,156. Your cost depends on your plan's deductible and coinsurance.