CMS Price Transparency Data

Blood test, magnesium

Facility: Glenn Medical Center

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $53
Cash Discount Price: $37
vs. Medicare Baseline: 7.91x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at Glenn Medical Center is $53. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $37. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 7.91x the Medicare baseline. Located in 1133 W Sycamore St, Willows, CA.

Cash / Self-Pay

$37

Average discount available for prompt cash payment at this facility.

Insurance Median

$53

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$6.7

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $6.7 (100%)

Cash / Self-Pay: $37 (552%)

Insurance Median: $53 (791%)

Cash: $37 (552% of Medicare)

Ins. Median: $53 (791% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $6.7 as the cost baseline. Rates below the baseline represent excellent value. In-network commercial rates commonly hover around 150% - 250% of Medicare, while rates exceeding 300% are elevated. Hover over the green and blue markers to view detailed calculations.

Elevated Commercial Rate Alert (Value-Gap)

The negotiated rate at this facility is 791% of the Medicare baseline (a markup of 691%). Patients with high-deductible plans or out-of-network benefits may face excessive out-of-pocket costs.

Consult Patient Advocate

Out-of-Pocket Cost Estimator

Estimate whether it is more economical to use your insurance or pay the upfront self-pay cash rate.

Billing Status

Remaining Deductible ($)

Your Coinsurance Rate (%)

Input your details and click calculate to compare out-of-pocket costs.

Commercial Insurance Negotiated Rates

Negotiated contract ranges established by major commercial carriers at this facility.

Carrier / Plan Group	Contract Rate Range	vs. Medicare Reference
Medi-Cal	$8	119%
Ca Health And Wellness - All Plans	$9	134%
UnitedHealthcare	$16 - $129	239%
Humana	$20 - $63	299%
Blue Cross Blue Shield	$21 - $145	313%
Blue Shield Exch	$43 - $130	642%
Cigna	$45 - $137	672%
First Health - All Plans	$45 - $137	672%
Healthnet - All Plans	$45 - $137	672%
Beech Street - All Plans	$47 - $145	701%
Blue Shield Ppo/Hmo - All Other Plans	$47 - $145	701%
Dept Of Corrections - All Plans	$47 - $145	701%
Galaxy Health Network - All Plans	$47 - $145	701%
Interplan - All Plans	$47 - $145	701%
Pacific Health Alliance - All Plans	$47 - $145	701%
Pponext - All Plans	$47 - $145	701%
Superior Ca Ppo - All Plans	$47 - $145	701%
Integrated Hp - All Plans	$49 - $149	731%
Health Mgmt Network - All Plans	$50 - $153	746%
Networks By Design - All Plans	$50 - $153	746%
Three Rivers - All Plans	$50 - $153	746%

Self-Pay Upfront Cash Action Plan

Request a "Self-Pay classification" with the billing desk before receiving care.
Ask for a written "Prompt-Pay Discount" agreement quoting the price of $37.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 83735.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Glenn Medical Center is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 83735.
Confirm the specific physician or imaging center is also in-network (not just the hospital building).
Audit your Explanation of Benefits (EOB) against the final itemized hospital invoice.