Mayo proinsulin at Corewell Health Trenton

5450 Fort Street, Trenton, MI · Corewell Health · · NPI 1740230648

Source: hospital's published price file ↗ · Published unknown · Ingested Aug 12, 2026

$30.00

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.

$30.00

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.

$22.34 with Priority Health vs $36.03 with Longevity Health — 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
Priority Health Exchange $22.34 ↓ -26%
Priority Health Hmo/Ppo $22.34 ↓ -26%
Priority Health Cigna Other Commercial Plan $22.34 ↓ -26%
Bcbs All Commercial Plans $24.68 ↓ -18%
Bcbs Exchange $24.68 ↓ -18%
Amerihealth Three Rivers Medicare Managed Care Plan $24.82 ↓ -17%
Aetna All Commercial Plans $25.36 ↓ -15%
Aetna Medicare Managed Care Plan $26.69 ↓ -11%
Molina Healthcare Medicare Managed Care Plan $27.17 ↓ -9%
Zing Healthcare Medicare Managed Care Plan $29.09 ↓ -3%
Molina Healthcare Exchange $34.70 ↑ +16%
Longevity Health Plan Of Michigan Medicare Managed Care Plan $36.03 ↑ +20%

Visitor-reported prices

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Mayo proinsulin at other Michigan hospitals

Hospital City Cash price Negotiated range
Corewell Health Gross Pointe Grosse Pointe $30.00 $22.34 – $36.03
Corewell Health Taylor Taylor $30.00 $22.34 – $36.03
Corewell Health Troy Troy $30.00 $22.34 – $36.03
Corewell Health Wayne Wayne $30.00 $22.34 – $36.03
Henry Ford Hospital Detroit MI 48202 | 19401 Hubbard Dr. $36.83 $10.80 – $52.05
Henry Ford West Bloomfield Hospital West Bloomfield $36.83 $10.80 – $47.11
Henry Ford Wyandotte Hospital: Wyandotte $36.83 $10.80 – $43.50
Henry Ford Macomb Hospital Clinton Twp $36.83 $10.80 – $43.50

All Michigan hospitals for this procedure →