ProcedureRadar

Sleep Study (Polysomnography): Overlake Hospital vs Providence Centralia in Seattle

Overlake Hospital Medical Center charges $251 for Sleep Study (Polysomnography). Providence Centralia Hospital charges $986, a 75% gap. Both report transparency-file data within the past month, with 15 and 17 payer rates. Overlake Hospital Medical Center is the lower-cost option for cash payers.

Head-to-head: Sleep Study (Polysomnography) pricing

Overlake Hospital Medical Center

$251
Cash Price for Sleep Study (Polysomnography)
High confidence
15 payer rates

Source: Overlake Hospital Medical Center machine-readable file , updated May 2026.

Providence Centralia Hospital

$986
Cash Price for Sleep Study (Polysomnography)
High confidence
17 payer rates

Source: Providence Centralia Hospital machine-readable file , updated Jun 2026.

Based on 32 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 32 price points across Overlake Hospital Medical Center and Providence Centralia 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.