EEG (brain wave test) at StoneSprings Hospital Center

24440 Stone Springs Boulevard, Dulles, VA, 20166. From the hospital's federally required price file (v3.0.0), file date March 1, 2026 — source file. Last verified by PriceCheck: July 19, 2026. CPT 95816.

$775

Median commercial

Median commercial rate here: $775 — 6% above the Washington, DC metro median of $729. Compare all Washington, DC hospitals →

Commercial insurance plans

Payer / plan	Facility rate	Rate type
CarefirstHMO (+1 same-rate plans)	$775	negotiated rate

What these numbers are — and aren't. These are facility rates hospitals publish under the CMS Hospital Price Transparency rule (45 CFR Part 180). They are price information, not a quote or guarantee. Physician, anesthesia, radiology, and pathology services usually bill separately. Your actual cost depends on your insurance plan, deductible, and how the visit is coded. How we read hospital price files →

Common questions

Where do these prices come from?

Directly from the machine-readable file StoneSprings Hospital Center publishes under the CMS Hospital Price Transparency rule (45 CFR Part 180), file date March 1, 2026. These are price disclosures, not quotes.

Same procedure at nearby hospitals: The George Washington University Hospital · Sibley Memorial Hospital · Adventist HealthCare Shady Grove Medical Center · Adventist HealthCare White Oak Medical Center · Suburban Hospital · MedStar Montgomery Medical Center