José Peñagarícano, M.D.Professor

Research Interests:

  • Spatially fractionated radiation therapy (GRID) in pediatric osteosarcoma.
  • Use of low-dose radiation therapy in osteoarthritis.
  • Use of low-dose total body irradiation in metastatic cutaneous melanoma.
  • Robust optimization of set-up uncertainties in head & neck cancer radiation therapy.

Clinic Focus:

  • Head & Neck cancer.
  • Pediatric Cancer.
  • Spine and intra-cranial stereotactic radiosurgery.

Education/Training :

  • B.S. in Mathematics from Georgetown University in Washington, D.C.
  • M.D. from UCEEM in Bayamón, Puerto Rico.
  • Residency in Radiation Oncology from Beth Israel Medical Center in New York City.


  • Narayanasamy G, Zhang X, Meigooni A, Paudel N, Morrill S, Maraboyina S, Peacock L, Peñagarícano J. Therapeutic benefits in grid irradiation on Tomotherapy for bulky, radiation-resistant tumors. Acta Oncol 2017; 56(8): 1043-1047.
  • Liang X, Peñagarícano J, Zheng D, Morrill S, Zhang X, Corry P, Griffin RJ, Han EY, Hardee M, Ratanatharathom V. Radiobiological impact of dose calculation algorithms on biologically optimized IMRT lung stereotactic body radiation therapy plans. Radiat Oncol 2016; 11:10.
  • Chao M, Peñagarícano J, Yan Y, Moros EG, Corry P, Ratanatharathorn V. Voxel-based dose reconstruction for total body irradiation with helical tomotherapy. Int J Radiat Oncol Biol Phys 2012; 82(5): 1575-1583.
  • Peñagarícano J, Moros EG, Ratanatharathorn V, Yan Y, Corry P. Evaluation of spatially fractionated radiotherapy (GRID) and definitive chemoradiotherapy with curative intent for locally advanced squamous cell carcinoma of the head and neck: initial response rates and toxicity. Int J Radiat Oncol Biol Phys 2010; 76(5): 1369-1375.
  • Peñagarícano J, Moros E, Corry P, Saylors R, Ratanatharathorn V. Pediatric craniospinal axis irradiation with helical tomotherapy: patient outcome and lack of acute pulmonary toxicity. Int J Radiat Oncol Biol Phys 2009; 76(4): 1155-1161.



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