Knee X-ray (standing, both knees) at HSHS St. Mary's Hospital

1800 E. LAKE SHORE DRIVE, DECATUR, IL · Hshs · · NPI 1326041229

Source: hospital's published price file ↗ · Published Mar 25, 2026 · Ingested Sep 16, 2026

$515.52

Cash price

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Discounted cash price

What a hospital charges a self-pay patient who pays directly, without going through insurance — usually well below the gross charge.

Example: A CT scan has a $3,200 gross charge but an $850 discounted cash price. Ask for it by name when scheduling — hospitals don't always advertise it up front.

Full explanation →

What you pay up front if you don't use insurance.

$716.00

Gross charge

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Gross charge (chargemaster price)

The hospital's full, undiscounted list price — pulled from its internal "chargemaster" price list. Almost no one actually pays this.

Example: A chest X-ray has a gross charge of $1,450. The same hospital's discounted cash price for the same X-ray is $180 — the gross charge mostly anchors negotiations, not what patients pay.

Full explanation →

The hospital's undiscounted list price — almost no one pays this.

$44.91 with HEALTHLINK vs $716.00 with HEALTH ALLIANCE MEDICAL PLANS — same scan, same building. Share

Negotiated rates by payer
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Negotiated rate

The price a specific insurance plan agreed to pay the hospital for a service — it varies by insurer, and even by plan within the same insurer.

Example: The same knee MRI has a negotiated rate of $904 with one insurer's PPO plan and $1,509 with another's — identical hospital, identical scan.

Full explanation →

Payer
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Payer

The insurance company footing the bill — Aetna, UnitedHealthcare, Medicare, and so on.

Example: "Blue Cross Blue Shield" is the payer. Its negotiated rate for an MRI might be $904, while a different payer's negotiated rate for the same scan is $1,509.

Full explanation →
Plan
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Plan

The specific product an insurer sells — e.g. "Blue Cross PPO 500" — which sets your deductible, coinsurance and negotiated rates.

Example: Two people both insured by Aetna can owe very different amounts for the same MRI: $50 with an HMO plan's flat copay, or the full $1,200 toward a high-deductible PPO plan's unmet deductible.

Full explanation →
Negotiated rate vs. cash
HEALTHLINK ALL COMMERCIAL HEALTHLINK $44.91 ↓ -91%
HEALTHLINK ALL COMMERCIAL HEALTHLINK - PPO $44.91 ↓ -91%
MOLINA HEALTHCARE MOLINA MEDICAID $51.11 ↓ -90%
MERIDIAN HEALTH PLAN MERIDIAN HMO MCD $53.54 ↓ -90%
BLUE CROSS BLUE SHIELD OF ILLINOIS BCBS IL MMAI $93.26 ↓ -82%
CLEAR SPRING HEALTH OF ILLINOIS CLEAR SPRING HEALTH MEDICARE ADV $93.26 ↓ -82%
AETNA AETNA MEDICARE $93.26 ↓ -82%
UNITED HEALTHCARE UNITED HEALTH CARE MEDICARE $93.26 ↓ -82%
BLUE CROSS BLUE SHIELD OF ILLINOIS BCBS IL MEDICARE $93.26 ↓ -82%
BLUE CROSS BLUE SHIELD OF ILLINOIS BLUE CROSS BLUE SHIELD OF ILLINOIS MEDICARE ADV $93.26 ↓ -82%
HUMANA HUMANA MEDICARE $93.26 ↓ -82%
COVENTRY COVENTRY MEDICARE ADVANTRA $93.26 ↓ -82%
CIGNA ALL COMMERCIAL CIGNA $95.26 ↓ -82%
MOLINA HEALTHCARE MOLINA MEDICARE $97.92 ↓ -81%
AMISH COMMUNITY AMISH COMMUNITY DISCOUNT $200.48 ↓ -61%
AMISH COMMUNITY PLAIN CHURCH MEDICAL GROUP $200.48 ↓ -61%
CELTIC INSURANCE COMPANY ALL COMMERCIAL EXCHANGE AMBETTER $205.17 ↓ -60%
CLAIM DOC ALL COMMERCIAL CLAIM DOC $233.14 ↓ -55%
HOPETRUST ALL COMMERCIAL HOPETRUST $233.14 ↓ -55%
AETNA ALL COMMERCIAL AETNA $260.62 ↓ -49%
WELLFIRST ALL COMMERCIAL WELLFIRST $338.52 ↓ -34%
AETNA AETNA HSHS $393.80 ↓ -24%
CURRENT HEALTH SOLUTIONS ALL COMMERCIAL CURRENT HEALTH SOLUTIONS $429.60 ↓ -17%
CONSOCIATE GROUP ALL COMMERCIAL CONSOCIATE GROUP $501.20 ↓ -3%
CHOICECARE ALL COMMERCIAL CHOICE CARE $501.20 ↓ -3%
FIRST HEALTH ALL COMMERCIAL FIRST HEALTH NETWORK $529.12 ↑ +3%
CIGNA CIGNA BEHAVIORAL HEALTH $572.80 ↑ +11%
MULTIPLAN/PHCS ALL COMMERCIAL MULTIPLAN $572.80 ↑ +11%
HEALTHCARE FINEST NETWORK (HFN) ALL COMMERCIAL HFN $608.60 ↑ +18%
CATERPILLAR, INC. UHC CATERPILLAR EMPLOYER GROUP $623.00 ↑ +21%
UNITED HEALTHCARE ALL COMMERCIAL UNITED HEALTHCARE $623.00 ↑ +21%
PROVIDER NETWORK OF AMERICA ALL COMMERCIAL PROVIDER NETWORK OF AMERICA $644.40 ↑ +25%
HEALTHLINK ST CLAIR COUNTY HOUSING AUTHORITY $716.00 ↑ +39%
HEALTHSCOPE ALL COMMERCIAL HEALTHSCOPE $716.00 ↑ +39%
ILLINOIS BREAST AND CERVICAL CANCER PROGRAM ILLINOIS BREAST AND CERVICAL CANCER PROGRAM $716.00 ↑ +39%
INTERPLAN ALL COMMERCIAL INTERPLAN HEALTH GROUP $716.00 ↑ +39%
WEXFORD WEXFORD HEALTH SOURCES $716.00 ↑ +39%
HEALTH ALLIANCE MEDICAL PLANS HEALTH ALLIANCE MARKET PLACE $716.00 ↑ +39%
HEALTH ALLIANCE MEDICAL PLANS HEALTH ALLIANCE MEDICARE $716.00 ↑ +39%
HEALTH ALLIANCE MEDICAL PLANS HEALTH ALLIANCE PPO $716.00 ↑ +39%
CITY OF SPRINGFIELD CITY OF SPRINGFIELD WORKCOMP $716.00 ↑ +39%
HEALTHLINK HEALTHLINK CASINO QUEEN $716.00 ↑ +39%
UNITED HEALTHCARE UHC MEDICAID $716.00 ↑ +39%
UNITED HEALTHCARE UNITED HEALTHCARE BEHAVIORAL HEALTH $716.00 ↑ +39%
HEALTH ALLIANCE MEDICAL PLANS HEALTH ALLIANCE KINGERY $716.00 ↑ +39%
BLUE CROSS SIHCA BLUE CROSS BLUE SHIELD IL HMO SIHCA not published by hospital —
BLUE CROSS BLUE SHIELD OF ILLINOIS BCBS IL HMO PHAI not published by hospital —
BLUE CROSS BLUE SHIELD OF ILLINOIS BCBS IL BLUE CHOICE PLANS not published by hospital —
BLUE CROSS BLUE SHIELD OF ILLINOIS BCBS OF ILLINOIS PPO not published by hospital —
BLUE CROSS BLUE SHIELD OF ILLINOIS BLUE CROSS BLUE SHIELD IL HMO not published by hospital —
BLUE CROSS BLUE SHIELD OF ILLINOIS BLUE CROSS BLUE SHIELD IL HMO 470 not published by hospital —

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Knee X-ray (standing, both knees) at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $128.40 $54.71 – $174.41
MercyOne Genesis Aledo Medical Center Aledo $128.40 $44.92 – $100.58
Uchicago Medicine Adventhealth Hinsdale Hinsdale $187.50 $42.30 – $151.08
Advocate Christ Medical Center Oak Lawn $165.00 $94.95 – $634.00
Northwestern Memorial Hospital Chicago $481.60 not published
Advocate Condell Medical Center Libertyville $222.50 $94.95 – $356.00
Advocate Good Samaritan Hospital Downers Grove $257.50 $94.95 – $634.00
UnityPoint Health - Trinity Moline Rock Island $255.23 $7.69 – $140.69

All Illinois hospitals for this procedure →