Creatine kinase at Ascension St. Vincent's St. Johns County (St. Vincent's Health System, Inc.)

205 Trinity Way, Saint Johns, FL · Ascension · · NPI 1861078651

Source: hospital's published price file ↗ · Published Jan 1, 2026 · Ingested Sep 7, 2026

$53.65

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.

$145.00

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.

$1.20 with CIGNA HMO NEW BUSINESS vs $16.28 with HUMANA HMO — 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
CIGNA HMO NEW BUSINESS 1700_CIGNA HMO NEW BUSINESS 20250701 $1.20 ↓ -98%
CIGNA HMO 1696_CIGNA HMO 20250701 $2.22 ↓ -96%
CIGNA PPO 1697_CIGNA PPO 20250701 $2.22 ↓ -96%
AETNA 1664_AETNA SIFL 20250701 $5.73 ↓ -89%
OCCUNET 1476_MEDICARE ADVANTAGE OCCUNET INPATIENT 20241001 $6.00 ↓ -89%
HUMANA PPO MCR REPLACEMENT 1595_MEDICARE ADVANTAGE HUMANA PPO OUTPATIENT 20250101 $6.38 ↓ -88%
MEDICARE REPLACEMENT 1801_MEDICARE ADVANTAGE INPATIENT 20251001 $6.51 ↓ -88%
RESEARCH STUDY ENCORE BORLAND-GROOVER 1808_RESEARCH STUDY ENCORE-BORLAND-GROOVER INPATIENT 20251001 $6.51 ↓ -88%
RESEARCH STUDY ENCORE BORLAND-GROOVER 1668_RESEARCH STUDY ENCORE-BORLAND-GROOVER OUTPATIENT 20250301 $6.51 ↓ -88%
PACE PLACE 1807_PACE PROGRAM SIFL INPATIENT 20251001 $6.51 ↓ -88%
PACE PLACE 1718_PACE PROGRAM SIFL OUTPATIENT 20250601 $6.51 ↓ -88%
BC ADVANTAGE MCR REPLACEMENT 1786_MEDICARE ADVANTAGE BLUE CROSS INPATIENT 20251001 $6.51 ↓ -88%
VETERANS ADMINISTRATION 1781_VETERANS ADMINISTRATION INPATIENT 20251001 $6.51 ↓ -88%
HUMANA PPO MCR REPLACEMENT 1800_MEDICARE ADVANTAGE HUMANA PPO INPATIENT 20251001 $6.51 ↓ -88%
WELLCARE 1662_MEDICARE ADVANTAGE WELLCARE OUTPATIENT 20250101 $6.51 ↓ -88%
WELLCARE 1803_MEDICARE ADVANTAGE WELLCARE INPATIENT 20251001 $6.51 ↓ -88%
MEDICARE REPLACEMENT 1597_MEDICARE ADVANTAGE OUTPATIENT 20250101 $6.51 ↓ -88%
COMMUNITY HOSPICE 1130_MEDICARE ADVANTAGE COMMUNITY HOSPICE OUTPATIENT SIFL 20220908 $6.51 ↓ -88%
UHC HMO 1693_UNITED HEALTH CARE SIFL 20250701 $6.51 ↓ -88%
BLUE CROSS ALIGNMENT 1779_MEDICARE ADVANTAGE ALIGNMENT HEALTHCARE INPATIENT 20251001 $6.51 ↓ -88%
BLUE CROSS ALIGNMENT 1585_MEDICARE ADVANTAGE ALIGNMENT HEALTHCARE OUTPATIENT 20250101 $6.51 ↓ -88%
BC ADVANTAGE MCR REPLACEMENT 1586_MEDICARE ADVANTAGE BLUE CROSS OUTPATIENT 20250101 $6.51 ↓ -88%
HAVEN HOSPICE 1592_MEDICARE ADVANTAGE HAVEN HOSPICE OUTPATIENT 20250101 $6.51 ↓ -88%
VETERANS ADMINISTRATION 1581_VETERANS ADMINISTRATION OUTPATIENT 20250101 $6.51 ↓ -88%
HUMANA HMO MCR REPLACEMENT 1594_MEDICARE ADVANTAGE HUMANA HMO OUTPATIENT SIFL 20250101 $6.58 ↓ -88%
CIGNA HEALTHSPRING 1583_CIGNA HEALTHSPRING OUTPATIENT 20250101 $6.58 ↓ -88%
UHC WELLMED MCR REPLACEMENT 1714_MEDICARE ADVANTAGE UNITED HEALTH CARE WELLMED OUTPATIENT 20250501 $6.58 ↓ -88%
UHC WELLMED MCR REPLACEMENT 1802_MEDICARE ADVANTAGE UNITED HEALTH CARE WELLMED INPATIENT 20251001 $6.58 ↓ -88%
HUMANA HMO MCR REPLACEMENT 1799_MEDICARE ADVANTAGE HUMANA HMO INPATIENT SIFL 20251001 $6.58 ↓ -88%
GOLD KIDNEY MEDICARE ADVANTAGE 1638_GOLD KIDNEY MEDICARE ADVANTAGE OUTPATIENT 20240101 $6.64 ↓ -88%
CAREPLUS MCR REPLACEMENT 1589_MEDICARE ADVANTAGE CAREPLUS OUTPATIENT SIFL 20250101 $6.64 ↓ -88%
CAREPLUS MCR REPLACEMENT 1796_MEDICARE ADVANTAGE CAREPLUS INPATIENT SIFL 20251001 $6.64 ↓ -88%
CIGNA HEALTHSPRING 1777_CIGNA HEALTHSPRING INPATIENT 20251001 $6.64 ↓ -88%
GOLD KIDNEY MEDICARE ADVANTAGE 1811_GOLD KIDNEY MEDICARE ADVANTAGE INPATIENT 20251001 $6.64 ↓ -88%
AETNA MCR REPLACEMENT 1795_MEDICARE ADVANTAGE AETNA INPATIENT 20251001 $6.71 ↓ -87%
AETNA MCR REPLACEMENT 1584_MEDICARE ADVANTAGE AETNA OUTPATIENT 20250101 $6.71 ↓ -87%
SMARTHEALTH 1778_SMARTHEALTH INPATIENT 20251001 $9.11 ↓ -83%
SMARTHEALTH 1600_SMARTHEALTH OUTPATIENT 20250101 $9.11 ↓ -83%
AETNA QUALIFIED HEALTH PLANS 1790_AETNA QUALIFIED HEALTH PLANS (QHP) INPATIENT SIFL 20251001 $10.09 ↓ -81%
AETNA QUALIFIED HEALTH PLANS 1574_AETNA QUALIFIED HEALTH PLANS (QHP) OUTPATIENT SIFL 20250101 $10.09 ↓ -81%
AETNA WHOLE HEALTH 1792_AETNA WHOLE HEALTH INPATIENT SIFL 20251001 $10.09 ↓ -81%
AETNA WHOLE HEALTH 1576_AETNA WHOLE HEALTH OUTPATIENT SIFL 20250101 $10.09 ↓ -81%
OSCAR HEALTH PLAN 1611_OSCAR HEALTH PLAN OUTPATIENT 20250401 $10.42 ↓ -81%
OSCAR HEALTH PLAN 1806_OSCAR HEALTH PLAN INPATIENT 20251001 $10.42 ↓ -81%
EMPLOYER DIRECT HEALTHCARE 1743_EMPLOYER DIRECT HEALTHCARE OUTPATIENT 20250101 $11.39 ↓ -79%
EMPLOYER DIRECT HEALTHCARE 1742_EMPLOYER DIRECT HEALTHCARE INPATIENT 20251001 $11.39 ↓ -79%
AVMED EXCHANGE 1793_AVMED EXCHANGE INPATIENT 20251001 $11.72 ↓ -78%
90 DEGREE BENEFITS 1782_90 DEGREE BENEFITS INPATIENT 20251001 $11.72 ↓ -78%
90 DEGREE BENEFITS 1577_90 DEGREE BENEFITS OUTPATIENT 20250101 $11.72 ↓ -78%
AVMED EXCHANGE 1720_AVMED EXCHANGE OUTPATIENT 20250201 $11.72 ↓ -78%
MOLINA EXCHANGE 1805_MOLINA EXCHANGE INPATIENT 20251001 $12.04 ↓ -78%
OCCUNET 1578_MEDICARE ADVANTAGE OCCUNET OUTPATIENT 20250101 $12.04 ↓ -78%
MOLINA EXCHANGE 1579_MOLINA EXCHANGE OUTPATIENT 20250101 $12.04 ↓ -78%
AMBETTER COMMERCIAL-EXCHANGE 1580_SUNSHINE AMBETTER EXCHANGE COMMERCIAL OUTPATIENT 20250101 $12.37 ↓ -77%
AMBETTER COMMERCIAL-EXCHANGE 1785_SUNSHINE AMBETTER EXCHANGE COMMERCIAL INPATIENT 20251001 $12.37 ↓ -77%
AETNA NEW BUSINESS 1784_AETNA NEW BUSINESS DISCOUNT INPATIENT SIFL 20251001 $13.35 ↓ -75%
AETNA NEW BUSINESS 1072_AETNA NEW BUSINESS DISCOUNT OUTPATIENT SIFL 20220829 $13.35 ↓ -75%
OCCUNET 1780_MEDICARE ADVANTAGE OCCUNET INPATIENT 20251001 $14.65 ↓ -73%
HUMANA PPO 1660_HUMANA PPO SIFL 20250101 $16.28 ↓ -70%
HUMANA HMO 1658_HUMANA HMO SIFL 20250101 $16.28 ↓ -70%

Visitor-reported prices

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Creatine kinase at other Florida hospitals

Hospital City Cash price Negotiated range
Adventhealth Daytona Beach Daytona Beach $126.98 $6.18 – $10.87
Adventhealth Lake Wales Lake Wales $483.53 $6.51 – $14.45
Adventhealth Palm Coast Parkway Palm Coast $126.98 $6.18 – $13.90
Adventhealth Tampa Tampa $332.49 $6.51 – $14.45
AdventHealth New Smyrna Beach New Smyrna Beach $111.45 $6.18 – $14.22
Adventhealth Port Charlotte Port Charlotte $48.01 $6.51 – $11.89
cleveland clinic florida weston hospital Weston $69.55 $2.59 – $24.00
martin north hospital Stuart $88.40 $2.73 – $13.50

All Florida hospitals for this procedure →