Sleep Study (Polysomnography) at French Hospital

1911 Johnson Ave, San Luis Obispo, CA · CommonSpirit Health · · NPI 1881760452

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

$2,506.06

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.

$6,393.00

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.

$399.42 with BCBS - Anthem vs $6,393.00 with Aetna — 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
BCBS - Anthem Medicaid|All Plans $399.42 ↓ -84%
Partnership Health Plan Medicaid|< 21 $399.42 ↓ -84%
Partnership Health Plan Medicaid|> 21 $399.42 ↓ -84%
Molina Medicaid|< 21 $399.42 ↓ -84%
Molina Medicaid|> 21 $399.42 ↓ -84%
Health Net Medicaid|> 21 $491.29 ↓ -80%
Health Net Medicaid|< 21 $491.29 ↓ -80%
CenCal Medicaid|> 21 $633.23 ↓ -75%
CenCal Medicaid|< 21 $633.23 ↓ -75%
MHS Hospice Commercial|All Plans $1,061.93 ↓ -58%
Humana Commercial|All Plans $1,292.70 ↓ -48%
Humana Medicare|All Plans $1,292.70 ↓ -48%
Aetna Medicare|All Plans $1,292.70 ↓ -48%
United Medicare|All Plans $1,292.70 ↓ -48%
Health Net Medicare|All Plans $1,292.70 ↓ -48%
Kaiser Medicare|All Plans $1,292.70 ↓ -48%
BCBS - Anthem Medicare|All Plans $1,292.70 ↓ -48%
Alignment Medicare|All Plans $1,292.70 ↓ -48%
Blue Shield CA Medicare|All Plans $1,292.70 ↓ -48%
MHS HSPCC Commercial|All Plans $1,726.11 ↓ -31%
BCBS - Anthem Commercial|MCS $2,727.49 ↑ +9%
BCBS - Anthem Commercial|Non-MCS $2,786.30 ↑ +11%
Western Growers Commercial|All Plans $3,196.50 ↑ +28%
Health Net Commercial|FFS $3,580.08 ↑ +43%
Kaiser Commercial|All Plans $3,963.66 ↑ +58%
Aetna Commercial|Gatekeeper $4,249.08 ↑ +70%
United Commercial|HMO $4,500.00 ↑ +80%
United Commercial|Non-Options PPO $5,114.40 ↑ +104%
First Health Commercial|All Plans $5,434.05 ↑ +117%
Healthsmart Commercial|All Plans $5,434.05 ↑ +117%
United Commercial|All Other Plans $5,865.00 ↑ +134%
MultiPlan Commercial|All Plans $6,265.14 ↑ +150%
Aetna Commercial|Non-Gatekeeper $6,393.00 ↑ +155%

Visitor-reported prices

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Sleep Study (Polysomnography) at other California hospitals

Hospital City Cash price Negotiated range
Redwood City Medical Center Redwood City $4,888.80 not published
Santa Clara Medical Center SANTA CLARA $4,888.80 not published
Banner Lassen Medical Center Susanville $2,834.20 $153.34 – $574.32
Sacramento Medical Center SACRAMENTO $4,888.80 not published
Oakland Medical Center Oakland $4,888.80 not published
Walnut Creek Medical Center WALNUT CREEK $4,888.80 not published
Arroyo Grande Hospital Santa Maria $2,736.21 $399.42 – $6,265.14
Providence St Joseph Hospital Eureka Eureka $2,883.03 $1,104.48 – $2,162.25

All California hospitals for this procedure →