Knee-shin exo mnl lock ultra at CENTENNIAL MEDICAL CENTER AT ASHLAND CITY

313 NORTH MAIN STREET, Ashland City, TN · Tristarhealth · · NPI 1265487193

Source: hospital's published price file ↗ · Published Mar 1, 2026 · Ingested Sep 16, 2026

not published by hospital

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.

not published by hospital

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.

$639.88 with Humana vs $940.62 with NovaNET — 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
Humana ChoicecareMGMCR $639.88
Sarah Cannon Research COMM $639.88
Wellpoint MGMCD $639.88
Zing MGMCR $659.08
WellCare MCR $659.08
Evergreen HMO MCR $671.87
United VACCN $671.87
American Health Advantage MCRSNP $671.87
American Health Advantage MCRPFFS $671.87
Healthspring MCRPPO $671.87
Healthspring MCRHMOTMN $671.87
Healthspring MCRHMONonTMN $671.87
Devoted Health Plan MCR $671.87
American Health Advantage MCRHMO $671.87
American Health Advantage MCRPOS $671.87
American Health Advantage MCRPPO $671.87
Aetna MGMCRSNP $678.59
Aetna MGMCRPPO $678.59
Aetna MGMCRHMO $678.59
ATRIO Golden Times MCR $703.87
Signature Advantage MCR $712.19
Bright Health MCRNarrow $772.66
Prime Health WORKERSCOMP $921.43
CorVel Corporation WORKERSCOMP $940.62
NovaNET WORKERSCOMP $940.62

Visitor-reported prices

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Knee-shin exo mnl lock ultra at other Tennessee hospitals

Hospital City Cash price Negotiated range
HENDERSONVILLE MEDICAL CENTER HENDERSONVILLE not published $620.68 – $940.62
HORIZON MEDICAL CENTER DICKSON not published $575.89 – $940.62
SKYLINE MADISON CAMPUS NASHVILLE not published $460.71 – $940.62
SOUTHERN HILLS MEDICAL CENTER ANTIOCH not published $460.71 – $940.62
STONECREST MEDICAL CENTER Smyrna not published $575.89 – $940.62
SUMMIT MEDICAL CENTER MT JULIET not published $575.89 – $940.62
Parkwest Medical Center Knoxville not published $306.54 – $671.87
Roane County Medical Center Harriman not published $639.88 – $671.87

All Tennessee hospitals for this procedure →