Homocysteine at Mercy San Juan Medical Center

6501 Coyle Avenue, Carmichael, CA · CommonSpirit Health · · NPI 1972541498

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

$4.18

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.

$15.24

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.

$1.43 with WCMG vs $52.93 with Cigna — 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
WCMG Commercial|All Plans $1.43 ↓ -66%
Blue Shield CA Commercial|ACO Trio $4.03 ↓ -4%
Western Health Advantage Commercial|All Plans $4.55 ↑ +9%
Blue Shield CA Commercial|ACO Trio CalPers $5.20 ↑ +24%
Kaiser Medicaid|All Plans $5.33 ↑ +28%
Blue Shield CA Commercial|Exchange $5.46 ↑ +31%
Kaiser Commercial|All Plans $7.02 ↑ +68%
Blue Shield CA Commercial|PPO Tandem $7.15 ↑ +71%
Blue Shield CA Commercial|HMO $7.67 ↑ +83%
Blue Shield CA Commercial|CalPers $8.06 ↑ +93%
Blue Shield CA Commercial|PPO $8.58 ↑ +105%
First Health Commercial|All Plans $9.75 ↑ +133%
Healthsmart Commercial|All Plans $9.75 ↑ +133%
Sutter Health Commercial|All Plans $10.40 ↑ +149%
BCBS - Anthem Commercial|Connection EPO $10.40 ↑ +149%
MultiPlan Commercial|All Plans $10.79 ↑ +158%
BCBS - Anthem Medicare|All Other Plans $12.26 ↑ +193%
BCBS - Anthem Commercial|All Other Plans $13.00 ↑ +211%
BCBS - Anthem Medicaid|All Plans $13.00 ↑ +211%
BCBS - Anthem Commercial|MCS $13.00 ↑ +211%
Blue Shield CA Medicare|HMO $13.00 ↑ +211%
Blue Shield CA Medicare|PPO $13.00 ↑ +211%
Partnership Health Plan Medicaid|All Plans $13.00 ↑ +211%
Hill Physicians Commercial|All Plans $13.00 ↑ +211%
Humana Medicare|All Plans $13.00 ↑ +211%
Aetna Commercial|All Other Plans $13.00 ↑ +211%
Aetna Commercial|PPO $13.00 ↑ +211%
Aetna Medicare|All Plans $13.00 ↑ +211%
Aetna Commercial|HMO $13.00 ↑ +211%
Molina Medicaid|All Plans $13.00 ↑ +211%
Molina Medicare|All Plans $13.00 ↑ +211%
United Commercial|All Other Plans $13.00 ↑ +211%
United Medicare|All Plans $13.00 ↑ +211%
United Commercial|HMO $13.00 ↑ +211%
United Commercial|Options PPO $13.00 ↑ +211%
United Commercial|Non-Options PPO $13.00 ↑ +211%
United Medicaid|< 21 $13.00 ↑ +211%
United Medicaid|> 21 $13.00 ↑ +211%
Health Net Medicaid|All Plans $13.00 ↑ +211%
Kaiser Medicare|All Plans $13.00 ↑ +211%
California Health & Wellness Medicaid|All Plans $13.00 ↑ +211%
Humana Commercial|All Plans $13.00 ↑ +211%
Hill Physicians Medicaid|All Plans $13.00 ↑ +211%
BCBS - Anthem Medicare|Imperial $13.39 ↑ +220%
BrightHealth Commercial|All Plans $14.30 ↑ +242%
BlueShield Medicare|Trauma $16.25 ↑ +289%
Prison Healthcare Medicaid|All Plans $19.50 ↑ +367%
Cigna Commercial|LocalPlus $39.69 ↑ +850%
Cigna Commercial|All Other Plans $52.93 ↑ +1166%

Visitor-reported prices

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Homocysteine at other California hospitals

Hospital City Cash price Negotiated range
St. John's Camarillo Hospital Camarillo $75.78 $3.51 – $47.56
Petaluma Valley Hospital Petaluma $149.43 $17.56 – $137.61
Arroyo Grande Hospital Santa Maria $140.73 $6.50 – $46.18
Mark Twain Medical Center San Andreas $29.84 $7.04 – $13.00
French Hospital San Luis Obispo $128.89 $3.51 – $54.29
Mercy Hospitals – Bakersfield Bakersfield $43.78 $6.50 – $51.50
Bakersfield Memorial Hospital Bakersfield $43.31 $6.50 – $51.50
Queen of The Valley Medical Center Napa $342.21 $17.92 – $173.91

All California hospitals for this procedure →