Mayo antithrombin iii antigen 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.

$4.86 with Wellpoint vs $43.24 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 $4.86
Aetna NewBusiness $8.60
Aetna COMM $8.60
Humana ChoicecareMGMCR $10.81
Alive Hospice MCR $10.81
Wellcare MCR $10.81
Devoted Health Plan MCR $10.81
Molina MCD $10.81
United AllPayerAppendix $10.81
United CorePayer $10.81
United HeritageSelect $10.81
United MASNP $10.81
Amerigroup MGMCR $10.81
Bright Health HIX $10.81
Bright Health SmallGroup $10.81
Healthspring DualEligible $10.81
Healthspring MCRHMO $10.81
Healthspring MCRPOS $10.81
Healthspring MCRPPO $10.81
Aetna MGMCRPPO $10.92
Aetna MGMCRHMO $10.92
Aetna MGMCRSNP $10.92
United MGMCR $11.03
Zing MGMCR $11.13
BCBS MCR $11.24
Ambetter Select $11.25
American Health Advantage MCRSNP $11.35
American Health Advantage MCRPFFS $11.35
Evergreen HMO MCR $11.35
American Health Advantage MCRHMO $11.35
American Health Advantage MCRPOS $11.35
American Health Advantage MCRPPO $11.35
Ambetter CORE $11.68
ATRIO Golden Times MCR $11.89
Bright Health MCRNarrow $12.43
Wellcare MGMCD $14.27
Wellcare CHIP $14.27
BCBS NetworkP $14.75
Prime Health WORKERSCOMP $15.57
NovaNET WORKERSCOMP $15.89
Cigna NewBusiness $19.02
Cigna OAP $21.61
Oscar HIX $32.43
Humana HumanaChoiceCare $43.24
Humana HumanaChoice $43.24
Humana BroadNetwork $43.24
Humana NarrowExchangeNetwork $43.24

Visitor-reported prices

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Mayo antithrombin iii antigen at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $146.76 $3.89 – $41.76
CHI Memorial Hospital Hixson Hixson $14.80 $9.60 – $35.00
CHI Memorial Hospital Chattanooga Chattanooga $21.15 $9.60 – $35.00
Johnson City Medical Center JOHNSON CITY $18.90 $4.63 – $23.57
Ascension Saint Thomas DeKalb Smithville $146.76 $7.58 – $41.76
Ascension Saint Thomas Highlands Sparta $146.76 $7.58 – $41.76
Ascension Saint Thomas River Park McMinnville $146.76 $7.58 – $41.76
Ascension Saint Thomas Rutherford Murfreesboro $146.76 $9.73 – $41.76

All Tennessee hospitals for this procedure →