ProcedureRadar

Colonoscopy (Diagnostic): Alton Memorial vs Northwestern Memorial in Chicago

Alton Memorial Hospital charges $1,167 for Colonoscopy (Diagnostic). Northwestern Memorial Hospital charges $313, a 73% gap. Both report transparency-file data within the past 2 months, with 46 and 39 payer rates. Northwestern Memorial Hospital is the lower-cost option for cash payers.

Head-to-head: Colonoscopy (Diagnostic) pricing

Alton Memorial Hospital

$1,167
Cash Price for Colonoscopy (Diagnostic)
High confidence
46 payer rates

Source: Alton Memorial Hospital machine-readable file , updated May 2026.

Northwestern Memorial Hospital

$313
Cash Price for Colonoscopy (Diagnostic)
High confidence
39 payer rates

Source: Northwestern Memorial Hospital machine-readable file , updated May 2026.

Based on 85 price points

Two hospitals in the same city can post prices that are worlds apart. A knee replacement in New York ranges from $2,653 to $169,071 across 23 hospitals, all verified from federal price-transparency files. The compare tool makes those side-by-side numbers easy to pull up before you commit to anything.

Kevin Monangai, Founder of ProcedureRadar

Methodology and data sources

Based on 85 price points across Alton Memorial Hospital and Northwestern Memorial Hospital, updated 2026-04-18. Every price comes from each hospital's federally mandated price transparency file under 45 CFR Part 180. See the full methodology.

Frequently asked questions

This hospital's pricing is published per federal mandate.

Disclosure required by 45 CFR Part 180.

Last updated:

Prices shown are sourced from publicly available hospital pricing files required by federal law (45 CFR Part 180). Actual costs may vary based on your insurance plan, specific diagnosis, treatment complexity, and other factors. ProcedureRadar does not provide medical advice. This information is for comparison purposes only. Contact the hospital or your insurance provider for a personalized cost estimate.