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

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
A MicroRNA Expression Signature as Prognostic Marker for Oropharyngeal Squamous Cell Carcinoma.
  • Liu X, Liu P, Chernock RD, [...] Gay HA, [...] Wang X
  • J Natl Cancer Inst 2021
Association Between Surgical Margins Larger Than 1 cm and Overall Survival in Patients With Merkel Cell Carcinoma.
  • Andruska N, Fischer-Valuck BW, Mahapatra L, [...] Gay HA, [...] Baumann BC
  • JAMA Dermatol 2021
Practical considerations for quantitative clinical SPECT/CT imaging of alpha particle emitting radioisotopes.
  • Benabdallah N, Scheve W, Dunn N, [...] Gay H, [...] Thorek DLJ
  • Theranostics 2021

Contact Information

  • South St. Louis County

    5225 Midamerica Plaza
    St. Louis, MO 63129

  • Washington University Medical Campus

    4921 Parkview Place
    Saint Louis, MO 63110

Request an appointment