Assay of idh enzyme at NORTHCREST MEDICAL CENTER

100 NORTHCREST DRIVE, SPRINGFIELD, TN · Tristarhealth · · NPI 1093397184

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.

$3.98 with Wellpoint vs $35.40 with Humana — 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
Wellpoint MGMCD $3.98
Aetna NewBusiness $7.04
Aetna COMM $7.04
Humana ChoicecareMGMCR $8.85
Alive Hospice MCR $8.85
Wellcare MCR $8.85
Devoted Health Plan MCR $8.85
Molina MCD $8.85
United AllPayerAppendix $8.85
United CorePayer $8.85
United HeritageSelect $8.85
United MASNP $8.85
Amerigroup MGMCR $8.85
Bright Health HIX $8.85
Bright Health SmallGroup $8.85
Healthspring DualEligible $8.85
Healthspring MCRHMO $8.85
Healthspring MCRPOS $8.85
Healthspring MCRPPO $8.85
Aetna MGMCRPPO $8.94
Aetna MGMCRHMO $8.94
Aetna MGMCRSNP $8.94
United MGMCR $9.03
Zing MGMCR $9.12
Ambetter Select $9.20
BCBS MCR $9.20
American Health Advantage MCRSNP $9.29
American Health Advantage MCRPFFS $9.29
Evergreen HMO MCR $9.29
American Health Advantage MCRHMO $9.29
American Health Advantage MCRPOS $9.29
American Health Advantage MCRPPO $9.29
Ambetter CORE $9.56
ATRIO Golden Times MCR $9.74
Bright Health MCRNarrow $10.18
Wellcare MGMCD $11.68
Wellcare CHIP $11.68
BCBS NetworkP $12.07
Prime Health WORKERSCOMP $12.74
NovaNET WORKERSCOMP $13.01
Cigna NewBusiness $15.58
Cigna OAP $17.70
Oscar HIX $26.55
Humana HumanaChoiceCare $35.40
Humana HumanaChoice $35.40
Humana BroadNetwork $35.40
Humana NarrowExchangeNetwork $35.40

Visitor-reported prices

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Assay of idh enzyme at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville not published $3.19 – $33.86
Ascension Saint Thomas DeKalb Smithville not published $6.21 – $33.86
Ascension Saint Thomas Highlands Sparta not published $6.21 – $33.86
Ascension Saint Thomas River Park McMinnville not published $6.21 – $33.86
Ascension Saint Thomas Rutherford Murfreesboro not published $7.96 – $33.86
Ascension Saint Thomas Hickman Centerville not published $7.97 – $33.86
CENTENNIAL MEDICAL CENTER AT ASHLAND CITY Ashland City not published $3.98 – $26.55
HENDERSONVILLE MEDICAL CENTER HENDERSONVILLE not published $3.98 – $26.55

All Tennessee hospitals for this procedure →