Balloon sinuplasty, maxillary cost in Spokane, WA — inpatient
In Spokane-Spokane Valley, WA, 3 hospitals list a cash price for balloon dilation of the maxillary sinus opening, one side as an inpatient: from $10,800.30 to $12,101.60, with a median of $10,827.60. The lowest listed price is at Providence St Joseph Hospital — $27.30 less than the median here. Across Washington, the median is $4,090.51 at 8 hospitals.
Cash prices at 3 facilities across 3 cities for code 31295, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Spokane-Spokane Valley, WA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence St Joseph Hospital lowest Chewelah, WA · (509) 935-8211 HC ED SINUS ENDO W/BALLOON DILATION CDM | $10,800.30 | $15,429.00 | — | 30% | Apr 1, 2026 source file |
| Providence Mount Carmel Hospital Colville, WA · (509) 684-2561 HC ED SINUS ENDO W/BALLOON DILATION CDM | $10,827.60 | $15,468.00 | — | 30% | Apr 1, 2026 source file |
| Providence Holy Family Hospital Spokane, WA · (509) 482-0111 HC ED SINUS ENDO W/BALLOON DILATION CDM | $12,101.60 | $17,288.00 | — | 30% | Apr 1, 2026 source file |
| Providence Holy Family Hospital Spokane, WA · (509) 482-0111 HC ED SINUS ENDO W/BALLOON DILATION CDM | $16,090.90 | $22,987.00 | — | 30% | Apr 1, 2026 source file |
Inpatient: lowest $10,800.30, median $10,827.60, highest $12,101.60 — a 1.1× difference within the same market.
As an outpatient, the same code is billed by 3 facilities here, median $10,827.60 — that is the price to compare if you are not being admitted.
What it is
In this endoscopic procedure a small balloon is passed through the nose and inflated to widen the natural opening of the maxillary (cheek) sinus. It is used for chronic or repeated sinusitis that does not improve with medicine.
What the price covers
The listed price usually covers the procedure for one side; the balloon device may be listed as a separate supply. The surgeon and any anesthesia are billed separately.