Hiram Gay, MD

Hiram Gay, MD

Radiation Oncologist

Primary Academic Title

Professor of Radiation Oncology, and Chief, Genitourinary Service, Medical Director of Radiation Oncology, Washington University School of Medicine

Clinical Expertise

Head and neck cancer; prostate, kidney and bladder cancer

Research Interest

The treatment of genitourinary and head and neck malignancies with radiotherapy. Optimizing the current treatment options and finding new ways to maximize the chance of cure and minimize side effects.


  • 2000: MD, University of Puerto Rico, San Juan


  • 2000 - 2001: Intern, internal medicine, Rochester General Hospital, Rochester, N.Y.
  • 2001 - 2005: Resident and chief resident, radiation oncology, State University of New York, Syracuse

Board Certification

  • 2006: American Board of Radiology, Radiation Oncology

Selected Research Publications

Protecting Caribbean patients diagnosed with cancer from compounding disasters.
  • Ortiz AP, Hospedales CJ, Méndez-Lázaro PA, [...] Gay HA, [...] Shultz JM
  • Lancet Oncol 2024
Beyond Average: α-Particle Distribution and Dose Heterogeneity in Bone Metastatic Prostate Cancer.
  • Benabdallah N, Lu P, Abou DS, [...] Gay HA, [...] Thorek DLJ
  • J Nucl Med 2024
Cellular states are coupled to genomic and viral heterogeneity in HPV-related oropharyngeal carcinoma.
  • Puram SV, Mints M, Pal A, [...] Gay HA, [...] Tirosh I
  • Nat Genet 2023
Climate-driven Atlantic hurricanes create complex challenges for cancer care.
  • Espinel Z, Nogueira LM, Gay HA, [...] Shultz JM
  • Lancet Oncol 2022
Outcomes of Patients With Unfavorable Intermediate-Risk Prostate Cancer Treated With External-Beam Radiotherapy Versus Brachytherapy Alone.
  • Andruska N, Fischer-Valuck BW, Carmona R, [...] Gay HA, [...] Baumann BC
  • J Natl Compr Canc Netw 2022

Contact Information

  • South St. Louis County

    5225 Midamerica Plaza
    St. Louis, MO 63129

  • Washington University Medical Campus

    4921 Parkview Place
    Saint Louis, MO 63110

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