Expert Physics Support. Onsite or Remote.

Radiation Oncology Physics

From daily QA to complex commissioning, Apex Physics provides the experienced clinical physics support you need to maintain safety, accuracy, and compliance.

Comprehensive Physics Services for Radiation Oncology

Our Services

Our team works alongside your clinical staff to ensure treatment planning systems, delivery equipment, and workflows meet the highest standards for safety and precision.

  • Machine commissioning and acceptance testing
  • Daily, monthly, and annual Linac QA (TG-142 / MPPG 8.a)
  • IMRT, VMAT, SBRT, and SRS QA
  • Chart checks (onsite or remote)
  • Radiation shielding design and verification
  • Treatment planning system modeling and validation
  • Regulatory compliance and audit preparation
  • Accreditation support (ACR, ACRO, etc.)
  • Special procedure support (TBI, TSEI, Brachytherapy)
  • Equipment installation and upgrade oversight
  • RSO consulting and safety program guidance
  • Incident investigation and root cause analysis

Flexible Delivery Options

Whether you need full-time staffing or occasional backup, Apex provides board-certified physicists who integrate seamlessly with your team—either in person or virtually.

  • Long-term Support
  • Remote Support
  • Hybrid Support
  • Onsite Services
  • Coverage for employee gaps
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Across the U.S. Always within reach.
No matter where you’re located, Apex Physics is ready to support your facility. Our nationwide coverage means you get expert support—when and where you need it most.

Coverage You Can Count On.

Why Radiation Oncology Teams Trust Apex

We’d love to hear how we can support your team.

Free Consult
Board-Certified Physicists & Dosimetrists

Credentialed and committed to clinical excellence.

Customized Support Models

We adapt to your clinic’s needs—not the other way around.

Quality and Safety First

We prioritize accuracy, compliance, and patient safety in everything we do.

Collaborative Approach

Our physicists communicate proactively with dosimetrists, therapists, and physicians.

Responsive and Reliable

We’re available when you need us, with clear timelines and follow-through.

Audit-Ready Confidence

We help you meet state, federal, and accreditation requirements with ease.

We've Got You Covered

Our physicists are experienced across all major linear accelerator platforms and treatment systems, including Varian, Elekta, Siemens, Accuray (CyberKnife and TomoTherapy), and ViewRay.

Linear Accelerators

  • Varian
  • Elekta
  • Siemens
  • Accuray Ciberknife
  • Brainlab
  • Tomotherapy

External Beam Planning

  • Conventional Planning
  • IMRT / IGRT / RapidArc / VMAT
  • SRS Planning
  • SBRT Planning
  • Electron Boost Planning

Contact us

Let’s Talk Physics Coverage

Need short-term help, permanent coverage, or just peace of mind? Let’s explore the right support plan for your clinic.

Schedule Your Free Consult