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CMS Price Transparency Data Hospital file updated: 2026-08-27

Upper endoscopy with biopsy

Facility: Mary Bridge Children's Hospital

Billing Code: 43239 (CPT)

Pillar 1 · The BaseRate™ CompositeHow 1.00× Fair BaseRate Works: Raw price averages unfairly penalize hospitals in high-wage cities or trauma centers treating sicker patients. We adjust for local CMS hospital wage levels and patient complexity first. A 1.00× score means right at the fair price average, 0.85× means 15% cheaper than fair market, and 1.30× means 30% above fair market.Good Deal · Below Fair Market
$1,154Fair BaseRate (0.94× Market)
Position vs. 1.00× Fair Price6% Below Fair Price 1.00× (center of the bar) is the U.S. fair price average after accounting for local hospital wages and patient complexity. Left of center (<1.00×) is below fair price; right of center (>1.00×) is above fair price.

This hospital's typical commercial price is $1,089 compared to the $1,154 fair price benchmark.

Pillar 2 · VeriRate™ Data TrustHow VeriRate™ (0–100) Works: Hospitals are legally required to publish machine-readable price files, but some bury fake $0.01 numbers or omit cash discounts. VeriRate audits each file across 5 checks (hover any badge below to see what it tests).86/100 · Verified
86/100Hover Any Check Below to See How Prices Were Audited
File Completeness90Provenance (File Completeness): Checks whether the hospital published a complete, up-to-date machine-readable price file with valid CPT and MS-DRG billing codes instead of leaving blanks.
Price Logic88Coherence (Price Logic): Checks whether the hospital’s numbers make basic sense — e.g., self-pay cash price is lower than gross list price, with no fake $0.01 or $999,999 placeholder numbers.
Peer Alignment86Concordance (Peer Alignment): Checks whether reported prices sit in a realistic range compared to Medicare and nearby hospitals rather than wild 100× unit errors.
Clean Billing83Regularity (Clean Billing): Checks whether rates are structured consistently across procedures without erratic statistical spikes or hidden unbundled facility fees.
Real Cash Discount84Cash Honesty (Real Cash Discount): Checks whether the hospital offers a genuine self-pay cash discount that beats or matches commercial insurance rates instead of billing full sticker price.
Pillar 3 · Clinical Quality & ER SpeedChecks whether higher hospital prices actually buy better clinical quality — combining CMS Star Ratings, hospital safety scores, and emergency room wait times.Regional Value Leader
CMS Star RatingNot RatedOfficial CMS Overall Hospital Quality Star Rating (1 to 5 stars) summarizing mortality, safety of care, readmissions, and patient experience.
Safety ScoreNot ScoredComposite patient safety score (0–100) derived from CMS hospital-acquired infection rates (CLABSI, CAUTI, MRSA, C. diff), surgical complications, and HCAHPS surveys.
Typical ER WaitNo ER DataMedian minutes patients spent in the emergency department before leaving from the visit, as reported to CMS Timely and Effective Care.

Balances commercial hospital prices against CMS clinical safety, infection control, and patient experience.

The BaseRate · fair price medium confidence
A fair price for this
$1,154
about 1.2× the $927 Medicare rate · typically $320–$2,433
modeled estimate · not a bill or quote
What this hospital charges insurers
$1,089
About the fair price
about $65 under the fair price · 1.2× Medicare
Medicare pays $927 Fair price $1,154 This hospital $1,089

How we calculate the fair BaseRate →

How this hospital compares to other WA hospitals

Highest price of the 9 WA hospitals we have prices for — worth calling around.

Cheapest $124 Priciest $1,089

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

A fair price for a Upper endoscopy with biopsy is about $1,154 (about 1.2× the $927 Medicare rate). Mary Bridge Children's Hospital charges insurers about $1,089 — about the fair price. Located in Tacoma, WA.

What each insurance company pays

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

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

UnitedHealthcareBlue Cross Blue ShieldAetnaKaiser Permanente CignaHumana

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 $730 - $1,079 79%
Blue Cross Blue Shieldmajor $730 - $4,737 79%
Aetnamajor $1,068 - $6,414 115%
Kaiser Permanentemajor $6,493 701%
Ambetter (Centene) $2,399 259%
Molina $676 - $1,089 73%
WellCare $1,089 118%
+ 3 smaller / regional plans $730 - $2,129

Self-Pay How to get the cash price

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Facility Profile & Credentials

  • Address: 317 Martin Luther King Jr W Box 5299, Tacoma, WA 98415
  • CMS Rating: No CMS Rating
  • Ownership Type: Voluntary non-profit - Other
  • Hospital Type: Childrens

Other Procedures at Mary Bridge Children's Hospital

Compare: Upper endoscopy with biopsy at other WA hospitals

Insurance negotiated median for the same procedure, sorted lowest first.

Inline Bill X-Ray & 501(r) Calculator 501(c)(3) Nonprofit · Free Care ≤200% FPL · AGB Cap 36.3%

Audit a Bill or Quote at Mary Bridge Children's Hospital (Zero PHI Required)

CMS CCN: 503301
CPT 43239
Fair BaseRate™ $1,154
Medicare Rate $927
Self-Pay Cash Request Quote
Insurer Median $1,089
Pre-filled with Mary Bridge Children's Hospital’s charged/list benchmark
Screened against 2026 HHS Federal Poverty Guidelines
2026 FPL: $15,650 + $5,500 per additional person
Step 1 · 501(r) Charity Care Check 501(r) AGB Cap: $949 (274% FPL)

Statutory 501(r) AGB Cap Limits Bill to $949

At 274% FPL (201%–400% FPL tier), 26 U.S.C. § 501(r)(5) caps FAP-eligible bills at Amounts Generally Billed (36.3% of gross = $949).

Step 2 · Cash vs. Insurance Arbitrage Request Prompt-Pay Quote

Compare Prompt-Pay Cash Rate Against Remaining Deductible

Ask Mary Bridge Children's Hospital's billing desk for their written 45 CFR § 180 discounted self-pay cash price and Good Faith Estimate under the No Surprises Act.

Step 3 · Fair BaseRate Target +$1,460 Above Fair BaseRate

Negotiate Toward $1,154 Fair BaseRate ($927 Medicare)

Your bill ($2,614) is $1,460 above the denoised Fair BaseRate ($1,154) and 2.8× the $927 Medicare rate.

1-Click Factual Dispute Summary: Copy a citation-backed benchmark memo (with CMS CCN, CPT code, Medicare reference, Fair BaseRate, and 26 U.S.C. § 501(r) calculations) to paste into patient-portal messages or billing appeals.
Care-Setting Arbitrage, Bilateral SVD Insurer Leverage & Regional Alternatives

How to Pay Less Nearby: Freestanding Centers, Insurer Leverage & Outpatient Savings

45 CFR § 180 Primary-Source Lineage & Federal Verification Verified CMS CCN 503301

Verify the Raw Data: Official Hospital MRF, CMS Medicare.gov & Federal Filings

MRF Portal Indexed (911352172-1306952726_mary-bridge-childrens-hospital_standardcharges.csv) Verify on CMS Medicare.gov (CCN 503301) ↗ CMS HCRIS Cost Reports ↗
Published MRF File911352172-1306952726_mary-bridge-childrens-hospital_standardcharges.csv
Publication / Vintage2026-08-27 · 1327.34 MB
Validated Rate Rows15,828,904 (CMS v3.0.0)
File Integrity Digeste54e2e4e69f73b0400d8…

Safe-Harbor Data Corrections: Parsed directly from public 45 CFR § 180 hospital filings, CMS Care Compare, and CMS HCRIS cost reports. Hospital compliance officers may submit updated MRF URLs or rate tables for verification.

Submit MRF Update Correction Policy