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Proton Beam Radiation Treatment, Simple

Connecticut rates for HCPCS 77520

Delivery of one session of proton beam radiation therapy, which uses charged particles that stop at a set depth in the body instead of passing all the way through. This is the straightforward form, aimed at a single treatment area without the custom-shaped devices used to shape the beam around more complicated targets. A full course is made up of many such sessions, usually given on weekdays over several weeks.

Rates data updated October 2026.

How much does Proton Beam Radiation Treatment, Simple cost?

$447

Typical physician fee. In Connecticut, October 2026.

Insurers have agreed to pay about $447 for this service. Most negotiated rates run $380 to $1,202.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $427 · 10th to 90th $200 to $5,495Professionalmedian $447 · 10th to 90th $148 to $1,950
$50$100$200$500$1K$2K$5Kfacility $427professional $447

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$1,584.89
Median
$1,949.84
Typical High
$1,949.84
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$177.83
Median
$309.03
Typical High
$426.58
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$147.91
Median
$380.19
Typical High
$446.68
Cigna
Setting
Facility
Modifier
None
Typical Low
$891.25
Median
$2,570.40
Typical High
$5,495.41
Cigna
Setting
Professional
Modifier
None
Typical Low
$1,737.80
Median
$1,737.80
Typical High
$1,737.80
ConnectiCare
Setting
Professional
Modifier
None
Typical Low
$977.24
Median
$1,148.15
Typical High
$1,202.26
United
Setting
Professional
Modifier
None
Typical Low
$60.26
Median
$1,071.52
Typical High
$1,778.28
3 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$691.83
Median
$977.24
Typical High
$977.24
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$275.42
Median
$389.05
Typical High
$389.05
Aetna
Setting
Professional
Modifier
FX · Film X-ray
Typical Low
$1,548.82
Median
$1,548.82
Typical High
$1,548.82

Where Connecticut sits

The same service costs 64.6 times more in Alaska than in New York. 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.

Connecticut· 44th of 51

$447

AK $3,715NY $57.54

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.