Prices at 11 hospitals in Baltimore, MD, from their machine-readable files. Here the median cash price is $95 — 38% below the US median ($154), roughly 3.6× the Medicare rate.
Lowest cash prices
| Hospital | Location | Cash | Insurer | CMS rating | ER wait | Readmit |
|---|---|---|---|---|---|---|
| Greater Baltimore Medical Center | Baltimore, MD | $22 | $22 | ★ 5/5 | 228 min | — |
| Kennedy Krieger Institute | Baltimore, MD | $53 | — | — | — | — |
| Medstar Harbor Hospital | Baltimore, MD | $90 | $92 | ★ 4/5 | 212 min | — |
| Medstar Good Samaritan Hospital | Baltimore, MD | $91 | $93 | ★ 3/5 | 247 min | — |
| University of Md Medical Center Midtown Campus | Baltimore, MD | $92 | — | ★ 3/5 | 243 min | — |
| University of Maryland Medical Center | Baltimore, MD | $95 | — | ★ 3/5 | 309 min | — |
| Mercy Medical Center Inc | Baltimore, MD | $99 | — | ★ 3/5 | 237 min | — |
| VA Maryland Healthcare System-Baltimore | Baltimore, MD | $99 | — | ★ 2/5 | — | — |
| Medstar Union Memorial Hospital | Baltimore, MD | $101 | $103 | ★ 5/5 | 218 min | — |
| Mount Washington Pediatric Hospital | Baltimore, MD | $115 | — | — | — | — |
| Umd Rehabilitation & Orthopaedic Institute | Baltimore, MD | $158 | — | — | — | — |
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 $95 — about 3.6× the Medicare rate ($26). High vs Medicare. A fair cash price is usually within ~2× Medicare ($52).
💡 Asking for the cash price instead of the $97 list price could save about $2 (2%).
Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.
All Arterial blood gas (ABG) prices in Maryland → · All Arterial blood gas (ABG) prices (national) · All hospitals in Baltimore