Prices at 18 hospitals in Chicago, IL, from their machine-readable files. Here the median cash price is $79 — 15% above the US median ($69), roughly 8.8× the Medicare rate.
Lowest cash prices
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 $79 — about 8.8× the Medicare rate ($9). High vs Medicare. A fair cash price is usually within ~2× Medicare ($18).
💡 Asking for the cash price instead of the $130 list price could save about $51 (39%).
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 Chicago
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 |
|---|---|---|---|
| Cesar Morales, MD-FACP | Internal Medicine | Chicago, IL | 255 |
| Inessa Gelfand, M.D. | Endocrinology | Chicago, IL | 154 |
| Lindsey Santillo, PA | Physician Assistant | Chicago, IL | 78 |
| Monica Weires, FNP-BC | Nurse Practitioner | Chicago, IL | 45 |
| Howard Bartman, M.D. | Internal Medicine | Chicago, IL | 23 |
All Free T4 thyroid test prices in Illinois → · All Free T4 thyroid test prices (national) · All hospitals in Chicago