Skip to main content
Croix Fossum, MD, Radiation Oncology, San Diego, CA

CroixCharlesFossumMD

Radiation Oncology San Diego, CA

Associate, X-Ray Medical Group Radiation Oncology, Inc

Dr. Fossum is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Fossum's full profile

Already have an account?

  • Office

    7901 Frost St
    San Diego, CA 92123
    Phone+1 858-939-5010

Education & Training

  • University of Southern California/Los Angeles General Medical Center (USC/LA General)
    University of Southern California/Los Angeles General Medical Center (USC/LA General)Residency, Radiation Oncology, 2018 - 2022
  • University of Utah Health
    University of Utah HealthInternship, Internal Medicine, 2017 - 2018
  • Mayo Clinic College of Medicine
    Mayo Clinic College of MedicineClass of 2017, MD
  • University of Wisconsin - Madison
    University of Wisconsin - Madison BS, Molecular Biology, 2007 - 2011

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2018 - 2028
  • American Board of Radiology Radiation Oncology

Publications & Presentations

PubMed

Journal Articles

  • Stereotactic body radiation therapy for early-stage non-small cell lung cancer in the USA: patterns of adoption and potential healthcare disparities  
    4) Fossum CC, Ding L, Atay SM, Kim AW, Ye JC., J Radiat Oncol, 12/9/2020

Abstracts/Posters

  • Trends in Use of Palliative RT for Multiple Myeloma in the U.S
    Fossum CC. Navarro S, Farias A, Ballas LB., ASTRO Annual Meeting, Miami, FL, 9/2020
  • Biological model for predicting toxicity in patients with head and neck cancer treated with proton beam therapy
    Fossum C.C., Beltran C.J., Ma D.J., Foote R.L., ASTRO Annual Conference, Boston, MA, 9/26/2016
  • Pelvic radiotherapy as a component of curative-intent treatment for stage IVA rectal adenocarcinoma with liver metastases
    Fossum, C.C., Romak, L.B., Funk, R.K., Harmsen, W.S., Haddock, M.G., Neben-Wittich, M.A., Martenson, J.A., Larson, D.W., Mathis, K.L., Smoot, R.L., Hubbard, J.M., Hall..., ASCO Gastrointestinal Cancers Symposium, San Francisco, CA, 1/21/2016
  • Join now to see all

Lectures

  • Patterns of Adoption and Potential for Health Disparities in the Use of SBRT for Early-stage NSCLC in the United States from 2004-2014 
    American Radium Society Annual Meeting. (Oral Presentation) - 4/8/2019

Committees

  • Member, Mayo Medical School Admissions Committee 2015 - 2017

Professional Memberships