Prices at 4 hospitals in Knoxville, TN, from their machine-readable files. Here the median cash price is $226 — 81% below the US median ($1,167), roughly 0.7× the Medicare rate.
Lowest cash prices
| Hospital | Location | Cash | Insurer | CMS rating | ER wait | Readmit |
|---|---|---|---|---|---|---|
| University Health System, Inc | Knoxville, TN | $226 | $538 | ★ 4/5 | 249 min | — |
| East Tennessee Childrens Hospital | Knoxville, TN | $226 | $538 | — | — | — |
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)
Typical cash price here is $226 — about 0.7× the Medicare rate ($323). Reasonable. A fair cash price is usually within ~2× Medicare ($646).
💡 Asking for the cash price instead of the $904 list price could save about $678 (75%).
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 Knoxville
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.
| Clinician | Specialty | Location | Medicare services |
|---|---|---|---|
| Andrew Russ, M.D. | General Surgery | Knoxville, TN | 14 |
| Gary Spiegelman, M.D. | Gastroenterology | Knoxville, TN | 13 |
| John Haydek, MD | Gastroenterology | Knoxville, TN | 13 |
| William Ergen, M.D. | Gastroenterology | Knoxville, TN | 12 |
All Flexible sigmoidoscopy prices in Tennessee → · All Flexible sigmoidoscopy prices (national) · All hospitals in Knoxville