Mayo proinsulin at Bakersfield Memorial Hospital

420 34th St., Bakersfield, CA · CommonSpirit Health · · NPI 1467538520

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

$23.86

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.

$65.00

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.

$14.16 with Western Growers vs $76.70 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
Western Growers Commercial|All Plans $14.16 ↓ -41%
CHN Sun View Commercial|All Plans $18.41 ↓ -23%
Blue Shield CA Commercial|Exchange $18.41 ↓ -23%
BCBS - Anthem Commercial|PremerTiered $18.70 ↓ -22%
First Health Commercial|All Plans $19.83 ↓ -17%
BCBS - Anthem Commercial|Exchange $20.68 ↓ -13%
Healthsmart Commercial|All Plans $21.53 ↓ -10%
MultiPlan Commercial|All Plans $22.38 ↓ -6%
BCBS - Anthem Commercial|All Other Plans $24.08 ↑ +1%
Blue Shield CA Commercial|All Other Plans $25.49 ↑ +7%
BCBS - Anthem Medicare|All Other Plans $26.69 ↑ +12%
Aetna Medicare|All Plans $26.69 ↑ +12%
Humana Medicare|All Plans $26.69 ↑ +12%
HPN Medicare|All Plans $26.69 ↑ +12%
United Medicare|All Plans $26.69 ↑ +12%
Scan Health Plan Medicare|All Plans $26.69 ↑ +12%
Health Net Medicare|All Plans $26.69 ↑ +12%
Blue Shield CA Medicare|All Plans $26.69 ↑ +12%
Kaiser Medicare|All Plans $26.69 ↑ +12%
Kern Health System Medicaid|> 21 $27.24 ↑ +14%
Kern Health System Medicaid|< 21 $27.24 ↑ +14%
LA Care Medicaid|> 21 $27.81 ↑ +17%
Care 1st Medicaid|> 21 $27.81 ↑ +17%
Molina Medicaid|< 21 $27.81 ↑ +17%
Kaiser Medicaid|< 21 $27.81 ↑ +17%
Kaiser Medicaid|> 21 $27.81 ↑ +17%
Partnership Health Plan Medicaid|< 21 $27.81 ↑ +17%
Partnership Health Plan Medicaid|> 21 $27.81 ↑ +17%
LA Care Medicaid|< 21 $27.81 ↑ +17%
Care 1st Medicaid|< 21 $27.81 ↑ +17%
BrightHealth Commercial|All Plans $28.29 ↑ +19%
BCBS - Anthem Commercial|MCS $28.32 ↑ +19%
Health Net Medicaid|Non-GemCare $28.32 ↑ +19%
Health Net Medicaid|GemCare $28.32 ↑ +19%
Aetna Commercial|HMO $28.32 ↑ +19%
Aetna Commercial|PPO $28.32 ↑ +19%
United Commercial|Non-Options PPO $28.32 ↑ +19%
United Commercial|Options PPO $28.32 ↑ +19%
United Commercial|HMO $28.32 ↑ +19%
BCBS - Anthem Medicaid|All Plans $28.32 ↑ +19%
United Commercial|All Other Plans $28.32 ↑ +19%
BCBS - Anthem Medicare|Burn $29.36 ↑ +23%
Kaiser Commercial|All Plans $36.30 ↑ +52%
Cigna Commercial|All Other Plans $76.70 ↑ +221%
Cigna Commercial|PPO $76.70 ↑ +221%

Visitor-reported prices

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Mayo proinsulin at other California hospitals

Hospital City Cash price Negotiated range
Mercy Hospitals – Bakersfield Bakersfield $24.12 $14.16 – $76.70
St. John's Camarillo Hospital Camarillo $12.41 $7.65 – $70.82
Banner Lassen Medical Center Susanville $8.76 $5.34 – $31.99
Petaluma Valley Hospital Petaluma $87.21 $26.16 – $140.69
Arroyo Grande Hospital Santa Maria $12.13 $9.08 – $68.78
Mark Twain Medical Center San Andreas $18.87 $15.33 – $27.81
French Hospital San Luis Obispo $11.11 $4.91 – $80.85
Queen of The Valley Medical Center Napa $87.21 $26.69 – $177.80

All California hospitals for this procedure →