Janet Hocko

Janet M. Hocko, M.D.

  • Assistant Clinical Professor, Department of Radiation Oncology
  • Radiation Oncologist

Janet M. Hocko, M.D.

Clinical Specialties
  • Radiation Oncology
Areas of Expertise
  • Brachytherapy for gynecological malignancies
  • Radiation therapy for breast, gastrointestinal and lung malignancies
Janet Hocko, M.D., brings 30 years of experience to City of Hope. A board-certified radiation oncologist, she has treated patients throughout Southern California, most recently in the Riverside community, where she also worked to increase awareness of radiation cancer treatments available to patients.

Well-versed in all forms of radiation therapy, Dr. Hocko specializes in brachytherapy for gynecological malignancies and radiation therapy for breast, gastrointestinal and lung cancer.

Dr. Hocko received her medical degree at UC Irvine after earning a B.S. in microbiology at University of Maryland and an Ph.D. in pathology at University of California Los Angeles. She completed her internship and residency at Loma Linda University Medical Center.
  • 2018 - present, Assistant Clinical Professor, Department of Radiation Oncology, City of Hope, Riverside, CA
  • 2006 - 2018, Medical Director, Vantage Radiation Oncology Center Riverside, Riverside, CA
  • 1993 - 2006, Radiation Oncologist, Loma Linda University Medical Center, Loma Linda, CA
  • 1993 - 2003, Radiation Oncologist, White Memorial Medical Center, Los Angeles, CA
  • 1993 - 2002, Radiation Oncologist, Glendale Adventist Medical Center, Glendale, CA

Riverside Radiation Oncology

6939 Palm Court, Riverside, CA, 92506

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Phone :  951-683-6771


  • 1998, M.D., University of California Irvine, Irvine, CA
  • 1984, Ph.D., Pathology, University of California Los Angeles, Los Angeles, CA
  • 1980, B.S. Microbiology, University of Maryland, College Park, MD


  • 1988 - 1993, Intern and Resident, Loma Linda University Medical Center, Loma Linda, CA
Wahlen SA, Slater JD, Wagner RJ, Wang WA, Keeney ED, Hocko JM, King A, Slater JM. “Concurrent radiation therapy and chemotherapy in the treatment of primary squamous cell carcinoma of the vulva.” Cancer. 1995 May;75(9):2289-94.

Morrow CD, Lubinski J. Hocko J, Gibbons GF, Dasgupta A. “Purification of a soluble template- Dependent rhinovirus RNA polymerase and its dependence on a host cell protein for viral RNA Synthesis.” J Virology. 1985 Jan;53(1):266-72.

Morrow CD, Hocko J, Navab M, Dasgupta A. “ATP is required for initiation of poliovirus RNA synthesis in vitro: demonstration of tyrosine-phosphate linkage between in vitro-synthesized RNA and genome-linked protein.” J Virology. 1984 May;50(2):515-23.

Morrow CD, Navab M, Peterson C, Hocko J, Dasgupta A. “Antibody to poliovirus genome-linked protein (VPg) precipitates in vitro synthesized RNA attached to VPg-precursor polypeptide(s).” Virus Research. 1984;1(2):89-100.

Rathlev T, Hocko JM, Franks GF, Suffin SC, O’Donnell CM, Porter DD. “Glucose oxidase immunoenzyme methodology as a substitute for fluorescence microscopy in the clinical laboratory.” Clin Chem 1981 Sep;27(9):1513-5.

Suffin SC, Prince GA, Hocko J, Chanock RM. “Immunoenzymatic examination of autopic tissues from the outbreak of fatal infantile disease in Naples in 1978-1979.” Ann Ist Super Sanita. 1981;17(4):777-81.
  • American Society for Therapeutic Radiology & Oncology
  • Los Angeles Radiological Society
  • San Bernardino County Medical Society
  • American Medical Association
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