Mayo vitamin b3 (niacin) 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.

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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.

$7.68 with Wellpoint vs $68.24 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 $7.68
BCBS TENNCARE $13.02
Aetna NewBusiness $13.57
Aetna COMM $13.57
BCBS COVERKIDS $14.06
BCBS NetworkP $15.83
United CorePayer $17.06
Humana ChoicecareMGMCR $17.06
Bright Health SmallGroup $17.06
Sarah Cannon Research COMM $17.06
United AllPayerAppendix $17.06
United HeritageSelect $17.06
Bright Health HIX $17.06
WellCare MCR $17.57
Zing MGMCR $17.57
Ambetter Select $17.75
American Health Advantage MCRPOS $17.91
United VACCN $17.91
American Health Advantage MCRHMO $17.91
Devoted Health Plan MCR $17.91
American Health Advantage MCRPPO $17.91
American Health Advantage MCRSNP $17.91
American Health Advantage MCRPFFS $17.91
Evergreen HMO MCR $17.91
Healthspring MCRPPO $17.91
Healthspring MCRHMONonTMN $17.91
Healthspring MCRHMOTMN $17.91
Aetna MGMCRPPO $18.09
Aetna MGMCRHMO $18.09
Aetna MGMCRSNP $18.09
Ambetter CORE $18.43
ATRIO Golden Times MCR $18.77
Signature Advantage MCR $18.99
Bright Health MCRNarrow $20.60
Prime Health WORKERSCOMP $24.57
CorVel Corporation WORKERSCOMP $25.08
NovaNET WORKERSCOMP $25.08
Cigna NewBusiness $30.57
Cigna OAP $34.71
BCBS BlueCare $37.63
Oscar HIX $51.18
Humana HumanaChoice $68.24
Humana BroadNetwork $68.24
Humana HumanaChoiceCare $68.24
Humana NarrowExchangeNetwork $68.24

Visitor-reported prices

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Mayo vitamin b3 (niacin) at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $224.72 $6.14 – $53.04
CHI Memorial Hospital Hixson Hixson $23.68 $10.30 – $56.00
62-1166050 BMH Carroll County Huntingdon $7.13 $13.02 – $34.12
CHI Memorial Hospital Chattanooga Chattanooga $33.84 $10.30 – $56.00
Johnson City Medical Center JOHNSON CITY $20.25 $8.53 – $37.19
Ascension Saint Thomas DeKalb Smithville $224.72 $8.14 – $53.04
Ascension Saint Thomas Highlands Sparta $224.72 $8.14 – $53.04
Ascension Saint Thomas River Park McMinnville $224.72 $8.14 – $53.04

All Tennessee hospitals for this procedure →