Helicobacter pylori antibody igm at Providence Saint John's Health Center

2121 Santa Monica Blvd, Santa Monica, CA · Providence · · NPI 1124026273

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 11, 2026

$166.95

Cash price

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Discounted cash price

What a hospital charges a self-pay patient who pays directly, without going through insurance — usually well below the gross charge.

Example: A CT scan has a $3,200 gross charge but an $850 discounted cash price. Ask for it by name when scheduling — hospitals don't always advertise it up front.

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What you pay up front if you don't use insurance.

$477.00

Gross charge

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Gross charge (chargemaster price)

The hospital's full, undiscounted list price — pulled from its internal "chargemaster" price list. Almost no one actually pays this.

Example: A chest X-ray has a gross charge of $1,450. The same hospital's discounted cash price for the same X-ray is $180 — the gross charge mostly anchors negotiations, not what patients pay.

Full explanation →

The hospital's undiscounted list price — almost no one pays this.

$16.85 with Aetna vs $138.31 with Blue Shield — same scan, same building. Share

Negotiated rates by payer
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Negotiated rate

The price a specific insurance plan agreed to pay the hospital for a service — it varies by insurer, and even by plan within the same insurer.

Example: The same knee MRI has a negotiated rate of $904 with one insurer's PPO plan and $1,509 with another's — identical hospital, identical scan.

Full explanation →

Payer
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Payer

The insurance company footing the bill — Aetna, UnitedHealthcare, Medicare, and so on.

Example: "Blue Cross Blue Shield" is the payer. Its negotiated rate for an MRI might be $904, while a different payer's negotiated rate for the same scan is $1,509.

Full explanation →
Plan
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Plan

The specific product an insurer sells — e.g. "Blue Cross PPO 500" — which sets your deductible, coinsurance and negotiated rates.

Example: Two people both insured by Aetna can owe very different amounts for the same MRI: $50 with an HMO plan's flat copay, or the full $1,200 toward a high-deductible PPO plan's unmet deductible.

Full explanation →
Negotiated rate vs. cash
Aetna Medicare Managed Care Plan $16.85 ↓ -90%
Humana Choicecare Medicare Managed Care Plan $17.19 ↓ -90%
Central Health Plan Medicare Managed Care Plan $18.54 ↓ -89%
La Care Health Plan Covered Ca Exchange $21.90 ↓ -87%
Blue Cross Anthem Vivity City Of La Other Commercial Plan $23.90 ↓ -86%
Blue Cross Anthem Vivity Non City Of La Other Commercial Plan $26.91 ↓ -84%
Healthnet Ambetter Hmo $31.17 ↓ -81%
Unitedhealthcare All Commercial Plans $33.70 ↓ -80%
Unitedhealthcare Select/Navigate Hmo $33.70 ↓ -80%
Healthnet Ambetter Ppo $36.06 ↓ -78%
Cigna All Commercial Plans $41.83 ↓ -75%
Aetna All Commercial Plans $42.17 ↓ -75%
Blue Shield Epn/Ifp Benefit Exchange $45.03 ↓ -73%
Blue Shield Tandem Ppo/Blue High Performance Ppo/Epo $89.84 ↓ -46%
Blue Cross All Commercial Plans $95.48 ↓ -43%
Blue Shield Ppo/Epo $99.78 ↓ -40%
Blue Shield Hmo $99.78 ↓ -40%
Blue Shield Medicare Managed Care Plan $138.31 ↓ -17%

Visitor-reported prices

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Helicobacter pylori antibody igm at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $103.37 $16.85 – $184.08
Banner Lassen Medical Center Susanville $17.84 $3.37 – $27.16
Petaluma Valley Hospital Petaluma $430.44 $16.51 – $121.56
Arroyo Grande Hospital Santa Maria $6.87 $8.02 – $43.41
Mark Twain Medical Center San Andreas $28.06 $16.85 – $41.29
French Hospital San Luis Obispo $6.29 $4.34 – $51.03
Mercy Hospitals – Bakersfield Bakersfield $7.05 $9.50 – $48.41
Queen of The Valley Medical Center Napa $215.73 $16.85 – $153.63

All California hospitals for this procedure →