Sinus surgery, maxillary cost in New York, NY — inpatient
In New York-Newark-Jersey City, NY-NJ, 6 hospitals list a cash price for endoscopic sinus surgery: opening the maxillary (cheek) sinus as an inpatient: from $525.00 to $4,500.00, with a median of $4,500.00. The lowest listed price is at Maimonides Medical Center — $3,975.00 less than the median here. Across New York, the median is $4,362.99 at 22 hospitals.
Cash prices at 6 facilities across 3 cities for code 31256, 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 New York-Newark-Jersey City, NY-NJ.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Maimonides Medical Center lowest Brooklyn, NY · (718) 283-6000 EXPLORATION MAXILLARY SINUS.. | $525.00 | $525.00 | — | — | Apr 1, 2026 source file |
| Mount Sinai Morningside New York, NY HC Exploration Maxillary Sinus | $4,500.00 | $5,000.00 | — | 10% | Apr 1, 2026 source file |
| Mount Sinai Behavioral Health Center New York, NY HC Exploration Maxillary Sinus | $4,500.00 | $5,000.00 | — | 10% | Apr 1, 2026 source file |
| Mount Sinai Brooklyn Brooklyn, NY HC Exploration Maxillary Sinus | $4,500.00 | $5,000.00 | — | 10% | Apr 1, 2026 source file |
| The Mount Sinai Hospital New York, NY · (212) 241-7981 HC Exploration Maxillary Sinus | $4,500.00 | $5,000.00 | — | 10% | Apr 1, 2026 source file |
| Mount Sinai Queens Long Island, NY HC Exploration Maxillary Sinus | $4,500.00 | $5,000.00 | — | 10% | Apr 1, 2026 source file |
Inpatient: lowest $525.00, median $4,500.00, highest $4,500.00 — a 8.6× difference within the same market.
As an outpatient, the same code is billed by 19 facilities here, median $4,500.00 — that is the price to compare if you are not being admitted.
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.
1 row held back from this comparison
It is priced below $1 or below a tenth of the national median for code 31256 ($2,527.00). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| St. Barnabas Hospital Bronx, NYPR NASAL/SINUS ENDOSCOPY W/MAXILLARY ANTROSTOMY | $207.50 | file |