Sinus surgery, maxillary cost in Boston, MA — inpatient
In Boston-Cambridge-Newton, MA-NH, 2 hospitals list a cash price for endoscopic sinus surgery: opening the maxillary (cheek) sinus as an inpatient: from $2,224.80 to $5,617.50, with a median of $3,921.15. The lowest listed price is at Boston Medical Center — $1,696.35 less than the median here. Across Massachusetts, the median is $6,839.07 at 4 hospitals.
Cash prices at 2 facilities for code 31256, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Boston-Cambridge-Newton, MA-NH.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Boston Medical Center lowest Boston, MA · (617) 638-8000 HC Exploration Maxillary Sinus | $2,224.80 | $4,944.00 | $431.24–$10,640.64 | 55% | — source file |
| Tufts Medical Center Boston, MA · (617) 636-5000 HC Nasal/Sinus Endoscopy W/Maxillary Antrostomy | $5,617.50 | $8,025.00 | $2,107.37–$12,037.50 | 30% | — source file |
Inpatient: lowest $2,224.80, median $3,921.15, highest $5,617.50 — a 2.5× difference within the same market.
As an outpatient, the same code is billed by 3 facilities here, median $5,617.50 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What it is
This code covers endoscopic surgery through the nose to widen the natural opening of the maxillary sinus behind the cheek.
What the price covers
The hospital price usually covers the operating room, recovery and supplies. The surgeon and anesthesia usually bill separately.