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Us Oncology
Los Angeles, California

Radiation Therapist I PRN

Radiation TherapistPer Diem

Listed compensation

$47.74–$85.90 /hr

The week · per this posting

Ask the employer about the work setting, call expectations, weekend coverage and time off.

Posted 3mo ago

Job Description

The US Oncology Network believes local cancer care is better care and in 2017 Vantage Oncology joined The US Oncology Network.

The US Oncology Network empowers the delivery of advanced integrated cancer care through our network of independent physicians who share expertise and resources to provide quality, value-based care close to home.

Our clinical and business support capabilities, expertise and industry-leading technologies keep local practices at the forefront of high quality, efficient care delivery while enabling practice success, quality of life and financial security for physicians.

We have an immediate opening for a PRN Radiation Therapist at our City of Hope locations.

Salary

RTT I- $47.74-64.44

RTT II- $56.75-$76.61

RTT SR.-$63.63-$85.90

Applicants will be hired into the appropriate title based on their credentials and years of experience applicable

SCOPE: Under direct supervision, administers radiation therapy treatments to patients. Accuracy in positioning the beam of radiation to correspond with the designated tumor volume and accurately delivering the prescribed dose are paramount job functions. Supports and adheres to the US Oncology Compliance Program, to include the Code of Ethics and Business Standards.

Responsibilities

Essential Duties and Responsibilities

  • Accurately delivers and records radiation therapy treatments under the direction of a radiation oncologist and chief radiation therapist.
  • Accurately enters and maintains patient treatment parameters into electronic medical record.
  • Participates in clinical instruction of newly hired therapists and students.
  • Assists in maintaining patient appointment schedule and submitting correct billing information.
  • Accurately cuts blocks, when applicable.
  • Accurately makes custom molds.
  • Accurately completes simple mu calculations.
  • Accurately interprets a computerized treatment plan.
  • Maintains clean, safe, and organized work environment.

Qualifications

Minimum Qualifications

Graduate of an accredited radiation therapy technology program.

ARRT certification required. Must hold valid state license for radiation therapy.

  • Halcyon and IX Linac experience preffered
  • Radition Therapist I: requires 0-3 years of experience
  • Radiation Therapist II: requires 3-5 years of experience actively practicing as an RTT.
  • Senior Radiation Therapist: requires 5+ years of experience actively practicing as an RTT.

PHYSICAL DEMANDS: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly required to sit and use hands to finger, handle, or feel. The employee is occasionally required to stand, walk, and reach with hands and arms. The employee must occasionally lift and/or move up to 30 pounds. Requires vision and hearing corrected to normal ranges.

WORK ENVIRONMENT: The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Work is performed in an office environment and requires significant interaction with management, staff and external auditors and clients.

Applicants will be hired into the appropriate title based on their credentials and years of experience applicable

Qualifications

Education
Professional certificate or licensure

Key Skills

Radiation Therapy AdministrationPatient PositioningDose DeliveryElectronic Medical RecordsBilling Information SubmissionCustom Mold FabricationTreatment Plan InterpretationHalcyon Experience

Work-Life Balance Analysis

WeekdayDoc's proprietary algorithm rates Radiation Therapist I PRN at Us Oncology a 7.2 out of 10 for work-life balance — classified as very good. This places the position in the top 25% in Mental Health Therapy (Radiation Therapist) — ranked against 141 active Mental Health Therapy (Radiation Therapist) listings on WeekdayDoc.

Mental Health Therapy Career Context

Of the 40 active Mental Health Therapy listings this role was benchmarked against, 40% have no call, 68% require no weekends.

The cost-of-living index for California is 110.7 (US average = 100; BEA Regional Price Parities (2024)). 63.6% of California clinicians report burnout symptoms in WeekdayDoc's Burnout Index (2026-01 data).

Top contract/1099 Radiation Therapist Jobs

29 matches · ranked by pay

Salary Distribution18 jobs

5
<$125k
3
$125k-150k
4
$150k-175k
4
$175k-200k
2
$200k+

Annual compensation range

Benefits & Perks16 jobs

401k / retirement match
94%
Sign-on bonus
50%
CME allowance
19%
Loan repayment
13%
Relocation assistance
13%

Share of similar jobs offering each benefit

#1

Radiation Therapist - Sharp Grossmont Hospital - Days - Per DiemPer Diem

Sharp HealthCare · La Mesa, California

$68.45-$98.92/hr
#2

PRN Radiation TherapistPer Diem

Valley View · Glenwood Springs, Colorado

$46.75-$70.13/hr
#3

Radiation Therapist

$38.57-$67.5/hr
#4

Radiation Therapist, Per Diem

$47-$63.26/hr
+ 27 more · ranked by pay

Work-life snapshot

median 7.2this job 7.2
Better work-life than 60% of Mental Health Therapy (Radiation Therapist) listings

Listing-based score, 0–10, across 141 comparable listings. Shaded area = the share scoring below this one.

Living in Los Angeles

Typical 3-bedroom home value
$923k
Typical market rent
$2,778/mo
Residents’ average commute
31 min
Metro price indexU.S. average = 100
113.6
State income tax
Up to 13.3%
Sources & methodology

Sources: Zillow home values (Aug 2026), Zillow market rents (Aug 2026), U.S. Census ACS 2024 five-year.

BEA 2024 · Los Angeles-Long Beach-Anaheim, CA metro prices. Housing figures are city-level.

City-level figures. Not a cost-of-living guarantee.