Posted commercial rates at 17 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 |
|---|---|---|---|---|
| Mercy Medical Ctr Springfield | $3,000 | 0.8× | 27 | 2026-03-31 |
| South Shore Hospital South Weymouth | $3,402 | 0.9× | 4 | 2026-04-01 |
| Beth Israel Deaconess Hospital-Milton Inc Milton | $3,815 | 1.0× | 3 | 2026-04-01 |
| Holyoke Medical Center Holyoke | $3,870 | 1.0× | 12 | 2026-05-01 |
| New England Baptist Hospital Boston | $4,086 | 1.0× | 5 | 2026-04-01 |
| Umass Memorial Health-Milford Regional Medical Ctr Milford | $4,278 | 1.1× | 3 | 2026-04-01 |
| Emerson Hospital - W Concord | $4,689 | 1.2× | 4 | 2026-05-18 |
| Signature Healthcare Brockton Hospital Brockton | $4,818 | 1.2× | 6 | 2026-01-28 |
| Beverly Hospital Corporation Beverly | $4,874 | 1.2× | 4 | 2026-04-01 |
| Winchester Hospital Winchester | $4,984 | 1.3× | 4 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Plymouth Plymouth | $5,031 | 1.3× | 3 | 2026-04-01 |
| Anna Jaques Hospital Newburyport | $5,232 | 1.3× | 3 | 2026-04-01 |
| Mount Auburn Hospital Cambridge | $5,490 | 1.4× | 2 | 2026-04-01 |
| Shriners' Hospital For Children - Boston, The Boston | $5,490 | 1.4× | 1 | 2026-03-17 |
| Lahey Hospital & Medical Center, Burlington Burlington | $5,793 | 1.5× | 3 | 2026-04-01 |
| Beth Israel Deaconess Hospital - Needham Needham | $5,938 | 1.5× | 2 | 2026-04-01 |
| Beth Israel Deaconess Medical Center Boston | $6,591 | 1.7× | 2 | 2026-04-01 |
17 Massachusetts hospitals post usable commercial rates for thumb base arthritis surgery (cmc arthroplasty) in their federal price-transparency files. For CPT 25447, hospital outpatient, the median across 17 hospitals is $4,874, 1.2× each hospital's local Medicare base rate. Your share depends on your plan's deductible and coinsurance; the surgeon and anesthesia bill separately.