Mayo antithrombin iii antigen at St. Bernardine Medical Center

2101 N Waterman Ave, San Bernardino, CA · CommonSpirit Health · · NPI 1689769911

Source: hospital's published price file ↗ · Published Feb 28, 2026 · Ingested Sep 10, 2026

$5.27

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.

Full explanation →

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

$15.82

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.

$4.12 with Blue Shield CA vs $68.90 with Care 1st — 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
Blue Shield CA Commercial|Exchange $4.12 ↓ -22%
Kaiser Commercial|All Plans $4.75 ↓ -10%
Blue Shield CA Commercial|All Other Plans $6.17 ↑ +17%
Kaiser Medicaid|All Plans $9.30 ↑ +76%
HPN Medicare|Senior $9.34 ↑ +77%
BCBS - Anthem Commercial|Exchange $9.34 ↑ +77%
HPN Commercial|All Plans $9.97 ↑ +89%
First Health Commercial|All Plans $10.45 ↑ +98%
IHCG Medicare|All Plans $10.81 ↑ +105%
Humana Medicare|All Plans $10.81 ↑ +105%
First Health Medicare|All Plans $10.81 ↑ +105%
Molina Medicare|All Plans $10.81 ↑ +105%
United Medicare|All Plans $10.81 ↑ +105%
Health Net Medicare|All Plans $10.81 ↑ +105%
Kaiser Medicare|All Plans $10.81 ↑ +105%
Central Health Plan Medicare|All Plans $10.81 ↑ +105%
BCBS - Anthem Medicare|All Plans $10.81 ↑ +105%
Blue Shield CA Medicare|All Other Plans $10.81 ↑ +105%
Scan Health Plan Medicare|All Plans $10.81 ↑ +105%
Inland Empire Health Plan Medicare|All Plans $10.81 ↑ +105%
Epic Health Medicare|All Plans $10.81 ↑ +105%
Patton Medicare|All Plans $10.81 ↑ +105%
IHCG Medicaid|All Plans $10.81 ↑ +105%
MultiPlan Commercial|All Plans $12.66 ↑ +140%
United Commercial|HMO $12.97 ↑ +146%
United Commercial|All Other Plans $12.97 ↑ +146%
Healthsmart Commercial|All Plans $12.98 ↑ +146%
BCBS - Anthem Commercial|Non-MCS HMO $13.29 ↑ +152%
BCBS - Anthem Commercial|Non-MCS PPO $13.29 ↑ +152%
Blue Shield CA Medicare|BlueShield Promise $13.45 ↑ +155%
Partnership Health Plan Medicaid|< 21 $13.78 ↑ +161%
LA Care Medicaid|> 21 $13.78 ↑ +161%
LA Care Medicaid|< 21 $13.78 ↑ +161%
Partnership Health Plan Medicaid|> 21 $13.78 ↑ +161%
DHMG Commercial|All Plans $15.67 ↑ +197%
Redlands Commercial|All Plans $15.67 ↑ +197%
BCBS - Anthem Medicaid|All Plans $15.82 ↑ +200%
Inland Empire Health Plan Medicaid|All Plans $15.82 ↑ +200%
Aetna Commercial|Gatekeeper $15.82 ↑ +200%
Aetna Commercial|Non-Gatekeeper $15.82 ↑ +200%
BCBS - Anthem Commercial|MCS $15.82 ↑ +200%
Molina Medicaid|> 21 $15.82 ↑ +200%
Molina Medicaid|< 21 $15.82 ↑ +200%
EPIC Health Commercial|All Plans $18.38 ↑ +249%
Health Net Medicaid|All Plans $19.46 ↑ +269%
HPN Medicaid|All Plans $20.22 ↑ +284%
Naphcare Commercial|All Plans $21.08 ↑ +300%
Cigna Commercial|All Other Plans $31.02 ↑ +489%
Cigna Commercial|PPO $31.02 ↑ +489%
Care 1st Medicaid|All Plans $68.90 ↑ +1207%

Visitor-reported prices

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Mayo antithrombin iii antigen at other California hospitals

Hospital City Cash price Negotiated range
Community Hospital San Bernardino San Bernardino $6.19 $3.17 – $68.90
St. John's Camarillo Hospital Camarillo $8.17 $3.01 – $28.70
Banner Lassen Medical Center Susanville $10.73 $2.16 – $17.46
Petaluma Valley Hospital Petaluma $100.22 $10.59 – $88.26
Arroyo Grande Hospital Santa Maria $7.98 $5.34 – $27.87
Mark Twain Medical Center San Andreas $12.42 $8.57 – $15.51
French Hospital San Luis Obispo $7.31 $4.28 – $32.76
Mercy Hospitals – Bakersfield Bakersfield $6.92 $9.32 – $31.08

All California hospitals for this procedure →