Balloon sinuplasty, maxillary cost in Napa, CA
In Napa, CA, 1 hospital lists a cash price for balloon dilation of the maxillary sinus opening, one side: from $18,008.61 to $18,008.61, with a median of $18,008.61. Across California, the median is $5,613.02 at 58 hospitals.
Cash prices at 1 facility for code 31295, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC ED SINUS ENDO W/BALLOON DILATION CDM | $18,008.61 | $35,311.00 | — | 49% | Apr 1, 2026 source file |
Outpatient: lowest $18,008.61, median $18,008.61, highest $18,008.61.
As an inpatient, the same code is billed by 1 facility here, median $18,008.61. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
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.