Match the patient to the chart
Confirm that the prescription, diagnosis, chart and patient's identity all agree before the session starts.
Career profile
Radiation Therapist
Radiation therapists position patients and run the machines that deliver doses an oncology team prescribes.
Exact positioning and safety checks sit alongside steady, face-to-face support for people partway through serious treatment.
A day in the life
Set the same position each visit
You place the patient exactly and use supports or immobilization devices to hold the prescribed alignment.
Run the planned exposure
Adjust the controls, finish the safety checks, then run the equipment to deliver the prescribed dose.
Watch from outside the room
Watch the patient from outside the treatment room, reassure them, and stop treatment or report unusual reactions.
Log the dose and settings
Record the dose given, the equipment settings and any reaction, so the following session starts from correct records.
Quick facts
Associate's degree
United States
$105,310 median
United States · May 2025
3% growth
United States · 2025–2035
Quick orientation
Preparation, pay & outlook
Preparation
Associate's degreeThis is the typical entry-level education; bachelor's and some post-degree certificate pathways also exist.
Pay
$105,310 medianU.S. median annual wage in May 2025—half earned more and half earned less. It is not a starting salary.
Outlook
3% growthProjected U.S. employment growth from 2025 to 2035, about as fast as all occupations; local hiring may differ.
Fit, tradeoffs & changing tools
You might like this if…
- You like exact, repeatable procedures and notice small mismatches.
- You can stay calm and clear with anxious or seriously ill patients.
- You want direct patient care alongside sophisticated equipment.
- You are comfortable coordinating closely with an oncology team.
Things to weigh
- Patients may be frightened or seriously ill, so the work can carry emotional weight even during routine appointments.
- You may stand for long periods and help lift, turn, or stabilize patients.
- Errors can have serious consequences, so identity checks, exact positioning, exposure controls, and radiation-safety procedures are not optional.
Where AI may help
Treatment and medical-record systems help store prescriptions, patient data, machine settings, and dose records; treatment equipment carries out controlled beam delivery.
What people still lead
Therapists still verify the patient and prescription, position the body, follow safety steps, watch for reactions, and communicate with the oncology team.
What we can’t predict yet
More efficient radiotherapy can reduce the number of visits and may limit employment demand. The size and timing of any staffing change are uncertain.
Pay in context
Earnings
Workplace setting and location can shift pay.
National midpoint
The median annual wage was $105,310, meaning half of U.S. radiation therapists earned more and half earned less. The median hourly wage was $50.63.
The national spread
In May 2025, the 10th-percentile annual wage was $80,560 and the 90th-percentile wage was $156,710. These are wage percentiles, not starting and senior salaries.
Setting makes a difference
Median annual wages were $127,680 in outpatient care centers, $110,610 in physician offices, and $104,260 in hospitals.
Getting started
Radiation therapy degree program
- What the route involves
- Complete an associate's or bachelor's radiation therapy program with technical coursework and clinical experience.
- What it can lead to
- An associate-or-higher degree plus an ARRT-approved program meets the education portion of ARRT's primary pathway; ethics and exam requirements remain.
- What to check
- Program completion or ARRT certification does not replace state rules. Most states require licensure or certification, and requirements vary.
Post-degree certificate program
- What the route involves
- If you already hold an associate's degree or higher, complete a radiation therapy certificate program that provides the required discipline-specific education and clinical work.
- What it can lead to
- When the program is ARRT-approved, the prior degree and completed program can satisfy ARRT's education requirement before the ethics and exam steps.
- What to check
- A certificate by itself does not replace ARRT's associate-or-higher degree requirement; confirm program approval and the rules in the state where you want to work.
The American Registry of Radiologic Technologists (ARRT) awards certification and registration after you complete approved education, meet its ethics requirements, and pass its exam. Each route below can meet the education step when its stated degree and program conditions are met; state rules separately determine whether you may practice.
After entry
Career paths
This starts where the entry routes leave off: early work, growing capability, and advancement or specialization.
Get established
In a first role, learn the department's routines for identity checks, chart review, positioning, equipment checks, documentation, and escalation.
Build consistency
Become reliable across repeated setups while learning to catch record mismatches, equipment problems, and changes in a patient's condition.
Advance or specialize
Experienced therapists may train or supervise students and less-experienced staff.
- With additional education and certification, move toward medical dosimetry, which focuses on dose calculations and treatment-plan design.
Where you can work
Large hospital cancer centers
At a center such as MD Anderson, therapists work with disease-focused physicians, dosimetrists, physicists, and other specialists, with multidisciplinary teams reviewing cases in daily meetings. Smaller hospitals may organize care differently.
- Indoors
- Physical demands
- Safety-sensitive
Regional clinics linked to a main campus
UC San Diego describes regional clinics with one or two linear accelerators that coordinate with its four-machine main campus, where some special procedures are performed. Other health systems divide equipment and procedures differently.
- Indoors
- Physical demands
- Safety-sensitive
Try it
See whether the job clicks before you commit to the path.
Watch one hospital-made patient-education video about an external-beam treatment visit. Log each moment when the therapist checks identity, positions the patient, leaves the room, watches the treatment, communicates, or records information; then mark which parts look satisfying and which would feel difficult.
Sources
- U.S. Bureau of Labor Statistics. Occupational Outlook Handbook: Radiation Therapists. Accessed 2026-09-23.
- O*NET OnLine. 29-1124.00 — Radiation Therapists. Accessed 2026-09-23.
- American Registry of Radiologic Technologists. Primary Eligibility Pathway Requirements. Accessed 2026-09-23.
- UT MD Anderson Cancer Center. Radiation Treatment Center. Accessed 2026-09-23.
- UC San Diego Radiation Oncology. Locations. Accessed 2026-09-23.