Last updated: March 2026
How Much Does Proton Therapy Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Proton Therapy (per session) | $1,000 – $3,000 | $200 – $600 |
| Full Course Proton Therapy (20-40 sessions) | $30,000 – $120,000 | $5,000 – $20,000 |
| Pencil Beam Scanning Proton Therapy | $40,000 – $130,000 | $6,000 – $22,000 |
CPT/ADA Code: 77520
What Affects the Cost
- Brand-name vs. generic availability
- Insurance formulary tier placement
- Pharmacy choice (retail vs. mail-order vs. Costco)
- Manufacturer savings cards and coupons
- Dosage and quantity prescribed
- Geographic location
Insurance Coverage
Typical coverage: Covered for certain cancers — prior authorization required; not available at all centers
Most insurance plans use a tiered formulary: Tier 1 (generic) $0-$15 copay, Tier 2 (preferred brand) $25-$75, Tier 3 (non-preferred brand) $50-$150, Tier 4 (specialty) $100-$500+. Prior authorization may be required for certain medications. Step therapy may require trying cheaper alternatives first.
How to Save Money
- Always ask for generic when available — saves 50-90%
- Use GoodRx, RxSaver, or similar discount cards
- Costco pharmacy is open to non-members and often has lowest prices
- Mark Cuban's Cost Plus Drugs offers transparent low pricing
- Manufacturer patient assistance programs provide free medication to qualifying patients
- HSA/FSA funds can cover medication costs tax-free
Related Procedures & Costs
Frequently Asked Questions
A full course of proton therapy costs $30,000 to $120,000 without insurance. It is more expensive than conventional radiation therapy.
Proton therapy delivers radiation more precisely, reducing damage to surrounding tissues. It is particularly beneficial for pediatric cancers, brain tumors, and tumors near critical organs.
Coverage varies by insurer and cancer type. Most plans cover proton therapy for pediatric cancers, skull base tumors, and certain other indications.