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Gamma Knife Radiosurgery, Complete Treatment

Washington, DC rates for HCPCS 77371

A highly precise, single-session radiation treatment for a lesion in the brain, delivered using a specialized device that focuses many individual beams of radiation from a fixed radiation source onto the target. The entire course of treatment for the lesion is completed in this one session, unlike traditional radiation therapy that is spread across many daily visits. It is commonly used for brain tumors, some vascular abnormalities, and certain other brain lesions.

Rates data updated July 2026.

How much does Gamma Knife Radiosurgery, Complete Treatment cost?

$11,482

Typical physician fee. In Washington, DC, July 2026.

Insurers have agreed to pay about $11,482 for this service. Most negotiated rates run $1,820 to $24,547.

Few insurers publish rates for this combination, so treat this figure as a rough guide.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 4 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $11,482 · 10th to 90th $6,457 to $43,652Professionalmedian $4,169 · 10th to 90th $1,072 to $25,704
$1K$2K$5K$10K$20K$50Kfacility $11,482professional $4,169

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$1,230.27
Median
$22,387.21
Typical High
$30,199.52
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6,456.54
Median
$11,481.54
Typical High
$64,565.42
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$1,380.38
Median
$1,584.89
Typical High
$2,630.27
United
Setting
Facility
Modifier
Global
Typical Low
$15,135.61
Median
$38,018.94
Typical High
$43,651.58
United
Setting
Professional
Modifier
Global
Typical Low
$933.25
Median
$1,819.70
Typical High
$4,677.35

Where Washington, DC sits

The same service costs 36.3 times more in West Virginia than in Kentucky. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Washington, DC· 4th of 51

$11,482

WV $41,687KY $1,148

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.