Colonoscopy cost in Saint Louis, MO

Prices at 6 hospitals in Saint Louis, MO, from their machine-readable files. Here the median cash price is $3,730 — 113% above the US median ($1,754), roughly 7.8× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Christian Hospital Northeast Saint Louis, MO $2,520 $1,850 ★ 4/5 217 min
Mercy Hospital South Saint Louis, MO $2,962 $1,096 ★ 2/5 254 min
Missouri Baptist Medical Center Saint Louis, MO $3,099 $1,850 ★ 5/5 262 min
Mercy Hospital St Louis Saint Louis, MO $4,360 $1,096 ★ 4/5 220 min
Shriners Hospitals for Children Saint Louis, MO $5,334 $1,248
St Louis Childrens Hospital Saint Louis, MO $7,977 $1,423

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 September 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)
$5,250
Cash / self-pay
$3,730
Insurer-negotiated
$1,336
Medicare pays
$480
$2,741$6,655
Median cash $3,730  ·  Medicare $480  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $3,730 — about 7.8× the Medicare rate ($480). High vs Medicare. A fair cash price is usually within ~2× Medicare ($960).

💡 Asking for the cash price instead of the $5,250 list price could save about $1,520 (29%).

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.

Doctors who perform this in Saint Louis

Clinicians who reported the most Medicare volume for this service locally. This reflects Original Medicare activity only and is a volume signal, not a quality ranking.

All Colonoscopy prices in Missouri → · All Colonoscopy prices (national) · All hospitals in Saint Louis