CMS Price Transparency Data

Diagnostic mammogram (both breasts)

Facility: CHI St Alexius Health Williston

Billing Code: 77066 (CPT)

The BaseRate · fair price high confidence
A fair price for this
$247
about 1.6× the $157 Medicare rate · typically $212–$461
modeled estimate · not a bill or quote
What this hospital charges insurers
$262
About the fair price
about $15 over the fair price · 1.7× Medicare
Medicare pays $157 Fair price $247 This hospital $262 Cash price $287 Hospital's list price $494

How we calculate the fair BaseRate →

How this hospital compares to other ND hospitals

On the higher side — 6 of 8 other ND hospitals charge less.

Cheapest $110 Priciest $415

Black dot = this hospital, among the 9 ND hospitals with a price for this procedure. Full list below.

A fair price for a Diagnostic mammogram (both breasts) is about $247 (about 1.6× the $157 Medicare rate). CHI St Alexius Health Williston charges insurers about $262, or about $287 in cash — about the fair price. Located in Williston, ND.

What each insurance company pays

Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.

2 of 6 major insurers have a published price at this hospital

✓ UnitedHealthcare✓ Blue Cross Blue Shield AetnaCignaHumanaKaiser Permanente

Crossed out = this hospital hasn’t published a negotiated price for that insurer for this procedure. It doesn’t necessarily mean they aren’t accepted — ask your insurer.

Insurance company Price range vs. Medicare
UnitedHealthcaremajor $129 - $665 82%
Blue Cross Blue Shieldmajor $79 - $503 50%
HealthPartners $166 - $762 106%
Medica $78 - $762 50%
Sanford Health Plan $106 - $487 68%
Excludes 1 rental-network / third-party entry (e.g. Multiplan, PHCS) — these are pricing networks, not insurers.

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Facility Profile & Credentials

  • Address: 1301 15Th Ave W, Williston, ND 58801
  • CMS Rating: ★★★☆☆
  • Ownership Type: Voluntary non-profit - Church
  • Hospital Type: Critical Access Hospitals