Prices at 6 hospitals in Saint Louis, MO, from their machine-readable files. Here the median cash price is $61 — 29% below the US median ($86), roughly 4.0× the Medicare rate.
Lowest cash prices
| Hospital | Location | Cash | Insurer | CMS rating | ER wait | Readmit |
|---|---|---|---|---|---|---|
| Missouri Baptist Medical Center | Saint Louis, MO | $36 | $36 | ★ 5/5 | 252 min | 14.8% |
| Mercy Hospital St Louis | Saint Louis, MO | $54 | $20 | ★ 4/5 | 217 min | 15.1% |
| Mercy Hospital South | Saint Louis, MO | $58 | $20 | ★ 2/5 | 246 min | 15.8% |
| Christian Hospital Northeast | Saint Louis, MO | $64 | $52 | ★ 4/5 | 223 min | 14.7% |
| Shriners Hospitals for Children | Saint Louis, MO | $157 | $19 | — | — | — |
| St Louis Childrens Hospital | Saint Louis, MO | $175 | $206 | — | — | — |
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 July 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 $61 — about 4.0× the Medicare rate ($15). High vs Medicare. A fair cash price is usually within ~2× Medicare ($30).
💡 Asking for the cash price instead of the $98 list price could save about $37 (38%).
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.
| Clinician | Specialty | Location | Medicare services |
|---|---|---|---|
| Clay Semenkovich, MD | Endocrinology | Saint Louis, MO | 110 |
| Marc Merbaum, M.D. | Internal Medicine | Saint Louis, MO | 63 |
| Emmanuel Venkatesan, MD | Internal Medicine | Saint Louis, MO | 55 |
| Lily Wong, MD | Internal Medicine | Saint Louis, MO | 47 |
| Jack Galbraith, MD | Family Practice | Saint Louis, MO | 41 |
| Jonathan Byrd, MD | Internal Medicine | Saint Louis, MO | 39 |
| Melissa Murray, MD | Family Practice | Saint Louis, MO | 31 |
| Kyle Moylan, MD | Geriatric Medicine | Saint Louis, MO | 31 |
| Lisa Hawley, FNP | Nurse Practitioner | Saint Louis, MO | 30 |
| Angela Roethemeyer, ANP | Nurse Practitioner | Saint Louis, MO | 24 |
| Neera Sharda, MD | Internal Medicine | Saint Louis, MO | 23 |
| Michael Bavlsik, MD | Internal Medicine | Saint Louis, MO | 22 |
All Vitamin B12 test prices in Missouri → · All Vitamin B12 test prices (national) · All hospitals in Saint Louis