Sinus surgery, maxillary cost in Illinois
In Illinois, 13 hospitals publish a cash price for endoscopic sinus surgery: opening the maxillary (cheek) sinus: from $195.80 to $43,224.04, with a median of $3,975.00. The lowest price is at Humboldt Park Health (Chicago). The highest price is 220.8× the lowest.
- The median here, $3,975.00, is 11% below the US median of $4,453.50.
- Illinois ranks 10th of 26 states by median, cheapest first.
- 3 of 13 hospitals list a cash price equal to their full list price, with no self-pay discount.
Illinois law (Hospital Uninsured Patient Discount Act, 210 ILCS 89): an uninsured Illinois resident with family income up to 600% of the federal poverty level (300% at rural and critical access hospitals) can apply for a discount that brings the bill down to about 135% of the hospital's cost; up to 200% (125% at rural hospitals) medically necessary care is free. A hospital may collect no more than 25% of family income in 12 months. Ask the billing office for the application. Other states' laws.
Outpatient cash prices, one line per hospital — its lowest listed price for code 31256. Prices for both sides of the body and inpatient prices are not mixed in. Collected Nov 6, 2026. See them on a map
Lowest$195.80Humboldt Park Health
Median$3,975.00half of hospitals charge less
Highest$43,224.04in Illinois
Lowest saves$3,779.20vs the median
Hospitals in Illinois, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Humboldt Park Health lowest Chicago · Chicago-Naperville-Elgin, IL-IN Incision of nasal sinus using an endoscope | $195.80 | $699.30 | Sep 29, 2026 source file |
| John H. Stroger, Jr. Hospital Chicago · Chicago-Naperville-Elgin, IL-IN PF-EXPLORATION MAXILLARY SINUS | $301.70 | $431.00 | Apr 1, 2026 source file |
| Carle Eureka Hospital Eureka · Peoria, IL Nasal/Sinus Endoscopy W/Maxillary Antrostomy | $948.00 | $948.00 | Apr 15, 2026 source file |
| Gibson Area Hospital Gibson City · Champaign-Urbana, IL EXPLORATION MAXILLARY SINUS | $2,450.00 | $2,450.00 | Nov 4, 2026 source file |
| FHN Memorial Hospital Freeport · Freeport, IL Incision of nasal sinus using an endoscope | $2,867.20 | $3,584.00 | Jan 22, 2026 source file |
| Mercy Medical Center Aurora · Chicago-Naperville-Elgin, IL-IN EXPLORATION MAXILLARY SINUS | $3,975.00 | $8,618.70 | Sep 1, 2026 source file |
| Saint Francis Hospital Evanston · Chicago-Naperville-Elgin, IL-IN EXPLORATION MAXILLARY SINUS | $3,975.00 | $7,206.00 | Sep 1, 2026 source file |
| Saint Joseph Medical Center - Joliet Joliet · Chicago-Naperville-Elgin, IL-IN EXPLORATION MAXILLARY SINUS | $3,975.00 | $3,490.68 | Sep 1, 2026 source file |
| Northwestern Memorial Hospital Chicago · Chicago-Naperville-Elgin, IL-IN HB Nasal/Sinus Endoscopy W/Maxillary Antrostomy | $4,890.20 | $6,986.00 | Apr 1, 2026 source file |
| Northwestern Medicine Kishwaukee Hospital DeKalb · Chicago-Naperville-Elgin, IL-IN HB Nasal/Sinus Endoscopy W/Maxillary Antrostomy | $26,209.15 | $37,441.64 | Apr 1, 2026 source file |
| Northwestern Medicine McHenry Hospital McHenry · Chicago-Naperville-Elgin, IL-IN HB Nasal/Sinus Endoscopy W/Maxillary Antrostomy | $41,015.20 | $58,593.14 | Apr 1, 2026 source file |
| Northwestern Lake Forest Hospital Lake Forest · Chicago-Naperville-Elgin, IL-IN HB Nasal/Sinus Endoscopy W/Maxillary Antrostomy | $41,262.50 | $58,946.43 | Apr 1, 2026 source file |
| Northwestern Medicine Central DuPage Hospital Winfield · Chicago-Naperville-Elgin, IL-IN HB Nasal/Sinus Endoscopy W/Maxillary Antrostomy | $43,224.04 | $61,748.63 | Apr 1, 2026 source file |
Hospital The hospital that published the price, its city and the line exactly as written in its price file.
Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More
List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More
File date When the hospital last updated its price file, as the file says itself. A dash means the file gives no date.
No cash discount This line's cash price equals the hospital's full list price. Many hospitals still reduce bills for uninsured patients: ask the billing office for its self-pay discount in writing. More
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Chicago-Naperville-Elgin, IL-IN | 10 | $195.80 | $4,432.60 |
| Champaign-Urbana, IL | 1 | $2,450.00 | $2,450.00 |
| Freeport, IL | 1 | $2,867.20 | $2,867.20 |
| Peoria, IL | 1 | $948.00 | $948.00 |
Market A metro area (as the Census Bureau defines it) or, outside metro areas, a town. Each links to every hospital price there.
Hospitals How many hospitals publish a cash price for this code here. Each hospital counts once, at its lowest outpatient cash price.
Lowest The lowest cash price among those hospitals.
Median The middle cash price: half of the hospitals charge less, half charge more. One price per hospital. More
What sinus surgery, maxillary is, what the price covers and why prices differ: Sinus surgery, maxillary explained.
Endoscopic sinus surgery: opening the maxillary (cheek) sinus in other states
- Alabama$14,847.27
- Arizona$16,976.81, 3 hospitals
- Arkansas$1,634.03
- California$6,658.40
- Colorado$3,363.50, 1 hospital
- Delaware$2,025.74, 2 hospitals
- Florida$10,618.41
- Georgia$6,698.00
- Hawaii$3,309.60, 3 hospitals
- Idaho$7,652.75
- Indiana$8,927.81
- Iowa$1,430.85, 4 hospitals
- Kansas$6,353.68, 3 hospitals
- Kentucky$10,021.13, 3 hospitals
- Louisiana$3,391.70
- Maine$510.62, 1 hospital
- Massachusetts$11,448.00
- Michigan$1,645.60
- Minnesota$1,470.07
- Mississippi$3,166.03
- Missouri$3,315.00
- Montana$659.61, 4 hospitals
- Nebraska$3,824.64, 3 hospitals
- Nevada$3,957.18, 4 hospitals
- New Jersey$5,741.00
- New Mexico$5,451.83, 4 hospitals
- New York$4,362.99
- North Carolina$4,158.25
- North Dakota$3,325.72, 3 hospitals
- Ohio$10,523.14
- Oklahoma$3,950.65, 4 hospitals
- Oregon$5,535.84, 3 hospitals
- Pennsylvania$6,947.45
- Rhode Island$2,626.39, 2 hospitals
- South Carolina$4,377.60, 3 hospitals
- South Dakota$8,818.40
- Tennessee$5,481.33
- Texas$3,429.67
- Utah$5,467.50, 3 hospitals
- Vermont$6,001.25, 1 hospital
- Virginia$19,765.04
- Washington$5,128.56
- West Virginia$2,406.75
- Wisconsin$2,388.36
Median cash price across the state's hospitals.