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Geisinger

Integrated health system with hospitals

Radiation Physicist

Full-TimeUpdated on 10/23/2026
No salary listed
Mid
Master's
Lewistown, PA, USA+3 moreMore locations: Dickson City, PA, USA | Danville, PA, USA | Wilkes-Barre, PA, USA
In PersonTravel between departments, for equipment/software/modality training, and to national meetings and conferences is required as needed.
Medical, Clinical & Veterinary

About the job

Requirements
  • A Master's degree is required.
  • Specialty certification is required.
  • Analytical thinking and assessment and diagnosis skills are required.
Responsibilities
  • Provide clinical support for linear accelerator treatments, including patient simulation, image fusion, treatment planning, secondary dose calculation, plan quality assurance, and reviews of treatment plan safety and quality.
  • Provide specialized support for stereotactic radiosurgery, stereotactic body radiotherapy, high-dose-rate, and total body irradiation treatment planning, secondary dose verification, and plan quality assurance.
  • Support brachytherapy procedures, including patient simulation, treatment planning, secondary dose verification, treatment delivery, and reviews of treatment delivery safety and quality; maintain and quality assure high-dose-rate equipment; and support permanent seed implants through ordering, assays, implant support, planning, and documentation.
  • Prepare and update physics and dosimetry policies and procedures.
  • Maintain daily, monthly, and annual quality assurance testing for departmental diagnostic and therapeutic software and equipment.
  • Contribute to the departmental residency program, including developing and teaching a new radiobiology curriculum for physicist and radiation oncologist residents.
  • Coordinate physics aspects of the department's research program, support existing departmental and national research protocols, and develop original physics-oriented research projects.
  • Travel between departments as needed; attend training for new equipment, software, or modalities; and participate in national meetings and conferences.
  • Perform other physics duties as needed, including commissioning software and new treatment or diagnostic equipment, radiation shielding calculations, and in vivo measurements to verify patient dose.
  • Perform other related duties as assigned.
Desired Qualifications
  • Experience with Radixact and/or CyberKnife.

About the company

Geisinger Health System runs hospitals and clinics across several locations, offering a wide range of medical services (from cancer and cardiology to pediatrics and women’s health) along with patient support tools like the MyGeisinger patient portal. Its main product is integrated health care: Geisinger provides medical treatment through its doctors, nurses, and facilities, and supports care with online access, remote telemedicine, and access to medical records and billing. Geisinger differentiates itself by combining clinical care with research and education in one system, including programs like MyCode health genetics research and ongoing clinical trials, plus direct links between patient care, research, and community health initiatives. The company’s goal is to improve health outcomes for patients by delivering coordinated care, advancing medical knowledge through research, and engaging with communities to support healthy living.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Danville, Illinois

Founded

1915

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Simplify's Take

What believers are saying

  • PCORI funding on May 19, 2026 expands hypertension monitoring across 94 clinics for 10,000 patients.
  • Geisinger Gold earned 4.5-star CMS ratings for 2026, strengthening Medicare Advantage competitiveness.
  • MyCode reached 371,543 consented participants by March 1, 2026, powering research and precision medicine.

What critics are saying

  • EEOC settled disability and retaliation claims for $450,000 on February 24, 2026.
  • Geisinger Health Plan cut nearly 100 jobs in July 2025 after a $231 million operating loss.
  • Nurses struck Geisinger Wyoming Valley in February 2025, exposing understaffing, burnout, and retention strain.

What makes Geisinger unique

  • MyCode-Connect links Geisinger genomics to clinical care, launched March 10, 2026.
  • Geisinger Health Plan covers over 550,000 Pennsylvanians, supporting integrated care and payer-provider leverage.
  • Geisinger operates 94 clinics, 10 hospital campuses, and deep rural-market infrastructure across Pennsylvania.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Retirement Plan
  • Paid Vacation
  • Parental Leave
  • Mental Health Support
  • Wellness Program

Company News

JH Consulting Online
Jun 1st, 2026
Geisinger secures funding to expand digital hypertension care model across health system

Geisinger has secured new funding to expand its hypertension care programme across its health system, aiming to improve blood pressure control for patients. The initiative will strengthen the organisation's digital care model for managing hypertension. The funding will enable Geisinger to scale its existing hypertension management infrastructure and enhance digital tools used to monitor and treat patients with high blood pressure. The health system plans to leverage technology to provide more comprehensive care and better outcomes for individuals managing hypertension. Details about the funding amount and specific investors were not disclosed. The expansion reflects growing healthcare sector interest in digital solutions for managing chronic conditions like hypertension, which affects millions globally and requires ongoing monitoring and treatment adjustments.

PR Newswire
May 26th, 2022
Geisinger Health Plan Ranked Best Commercial Health Plan In Pennsylvania By J.D. Power For Third Year In A Row

DANVILLE, Pa., May 26, 2022 /PRNewswire/ -- For the third year in a row, Geisinger Health Plan (GHP) ranked best among commercial health plans in Pennsylvania for member satisfaction in the J.D. Power 2022 U.S. Commercial Member Health Plan Study. In its third consecutive win, GHP earned...

ROI-NJ
Nov 4th, 2020
AtlantiCare’s separation from Geisinger is complete

AtlantiCare’s separation from Geisinger — which was first announced March 31 — became official Oct. 31.

Startland News
Oct 20th, 2020
Liquid barrier (plus fresh breath): Lenexa startup tests all-natural mouth rinse as COVID-killing solution

Although independent lab tests have indicated TRI-OLOGY can eradicate COVID-19, Janice King and Dale Winetroub are just beginning human testing to confirm the percentage of inactivation of the virus when the liquid solution is used in the mouth.