CMS Price Transparency Data

Diagnostic mammogram (both breasts)

Facility: Sparrow Ionia Hospital

Billing Code: 77066 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 77066
Insurance Median: $178
Cash Discount Price: $146
vs. Medicare Baseline: 1.13x Medicare

The contracted insurance negotiated median rate for a Diagnostic mammogram (both breasts) at Sparrow Ionia Hospital is $178. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $146. Compared to the federal Medicare reimbursement reference rate of $156.98, this hospital’s rate is 1.13x the Medicare baseline. Located in 3565 S State Road, Ionia, MI.

Cash / Self-Pay

$146

Average discount available for prompt cash payment at this facility.

Insurance Median

$178

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$156.98

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $156.98 (100%)

Cash / Self-Pay: $146 (93%)

Insurance Median: $178 (113%)

Cash: $146 (93% of Medicare)

Ins. Median: $178 (113% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $156.98 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.

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
Medicaid / KanCare	$30 - $101	19%
Medicare (plans)	$44 - $143	28%
Blue Cross Blue Shield	$75 - $337	48%
Aetna	$134 - $404	85%
Covenant Advantage	$134	85%
Medigold	$134	85%
Senior Community Care	$134	85%
Humana	$141 - $436	90%
Priority	$330	210%
UnitedHealthcare	$413	263%
Cigna	$426	271%
Great West Healthcare	$426	271%
Asr	$430	274%
Blue Care Network	$430	274%
Health Alliance Plan	$430	274%
Cofinity	$436	278%
Mclaren Commercial	$479	305%

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 $146.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 77066.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Sparrow Ionia Hospital is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 77066.
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.