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Proton Beam Radiation Treatment, Simple

Montana 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?

$1,413

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $1,413 for this service. The price depends on where it is billed: about $1,175 from a physician practice, and about $1,622 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$1,175$1,047 to $1,413
FacilityA hospital or hospital-owned outpatient department$1,622$1,622 to $1,820

How much rates vary

Facilitymedian $1,622 · 10th to 90th $1,549 to $2,042Professionalmedian $1,175 · 10th to 90th $912 to $1,738
$1K$2K$5Kfacility $1,622professional $1,175

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

Rates by insurance carrier

Insurance Carrier
Cigna
Setting
Facility
Modifier
None
Typical Low
$1,445.44
Median
$1,862.09
Typical High
$5,623.41
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$1,621.81
Median
$1,621.81
Typical High
$1,905.46
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$1,047.13
Median
$1,071.52
Typical High
$1,737.80
Providence
Setting
Facility
Modifier
None
Typical Low
$1,445.44
Median
$1,862.09
Typical High
$5,623.41
Providence
Setting
Professional
Modifier
None
Typical Low
$831.76
Median
$1,174.90
Typical High
$1,412.54
United
Setting
Professional
Modifier
None
Typical Low
$1,071.52
Median
$1,122.02
Typical High
$1,584.89
1 more rate 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
53 · Discontinued
Typical Low
$141.25
Median
$141.25
Typical High
$190.55

Where Montana 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.

Montana· 14th of 51

$1,413

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.