Spinal tap (lumbar puncture) cost in Green Bay, WI

Prices at 3 hospitals in Green Bay, WI, from their machine-readable files. Here the median cash price is $1,036 — 25% above the US median ($830), roughly 6.3× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Bellin Memorial Hospital Green Bay, WI $545 $743 ★ 4/5 151 min —
St Vincent Hospital Green Bay, WI $1,036 $1,130 ★ 4/5 133 min —
St Marys Hospital Medical Ctr Green Bay, WI $1,496 $1,656 ★ 3/5 102 min —

CMS rating = overall hospital star rating (1–5); ER wait = median minutes in the emergency department; Readmit = 30-day readmission rate (lower is better) — all from Medicare’s Care Compare; “—” = not reported. Data last updated October 2026. Prices from hospitals’ machine-readable files (45 CFR §180); Medicare benchmark from CMS PFS/CLFS/IPPS. Prices below 15% of the median are excluded as likely partial or mis-coded charges. Estimates — confirm with the hospital. Report an incorrect price.

Price comparison (median)

Chargemaster (list price)
$1,570
Cash / self-pay
$1,036
Insurer-negotiated
$1,130
Medicare pays
$165
$644$1,404
Median cash $1,036  ·  Medicare $165  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $1,036 — about 6.3× the Medicare rate ($165). High vs Medicare. A fair cash price is usually within ~2× Medicare ($330).

💡 Asking for the cash price instead of the $1,570 list price could save about $534 (34%).

Estimate what you’ll pay
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Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.

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