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Tangel Chang, D.O.

About Provider

During my Leisure time, I like to do outdoor activities, such as riding horses, working out, and hiking. At home, my husband and I enjoy cooking homemade meals.


  • Radiation Oncology Residency
  • Case Western University Hospital (2016-2019)
  • University of Iowa (2014-2016)




  • California Medical License
  • Michigan Medical License
  • Ohio Medical License
  • Internship
  • Highland Hospital, UCSF County Oakland, CA
  • Residency
  • University of Iowa Hospitals & Clinics Iowa City, IA
  • University Hospitals Case Medical Center Cleveland, OH
  • Graduate School
  • Columbia University in the City of New York New York, NY
  • Medical Education
  • Western University of Health Sciences Pomona, CA
  • Board Certification
  • American Board of Radiology, Radiation Oncology - Certified
Medical Interests Areas of Interest:


  • Ten year treatment outcomes of radical prostatectomy vs external beam radiation therapy vs brachytherapy for 1503 patients with intermediate-risk prostate cancer, Goy B, Burchette R, Soper M, Chang T, Cosmatos H,. Urology, 2020 Feb; 136:180-189 (PMID: 31704459)
  • Post-radiotherapy PET/CT for predicting treatment outcomes in head and neck cancer after postop-erative radiotherapy, Li Y, Awan MJ, Chang T, Lavertu P, Zender C, Rezaee R, Fowler N, Wasman J, Avril NE, Chen N, Machtay M, Yao M. Eur J Nucl Med Mal Imaging, 2019 Apr;46(4): 794-800 Epub 2019 Jan24 (PM ID: 30680587)
  • Multi-criteria optimization achieves superior normal tissue sparing in intensity-modulated radiation therapy for oropharyngeal cancer patients, Xiao J, Yan L, Shi H, Chang T, Luo Y, Wang X, He Y, Chen N. Oral Oncology volume 80, page 74-81 (PMID: 29706191)
  • Development of a Radiobiological Evaluation Tool to Assess the Expected Clinical Impacts of Con-touring Accuracy between Manual and Semi-Automated Segmentation Algorithms, Yusung K, Patwardhan K, Beichel R, Smith B, Mart C, Plichta K, Chang T, Sonka M, Graham M, Magnotta V, CasavantT, Buatti J. Conf Proc IEEE Eng Med Biol Soc. 2017 Jul: 3409-3412 (PMID: 29060629)
  • Once daily high dose radiation (;ô€€60 Gy) treatment in limited stage small cell lung cancer, Zahra A, Chang T, Hejleh TA, Furqan M, Claman G, Bhatia S, Watkins J, Mott S, Ahmann L, Bodeker K, Spitz D, Buatti J, Allen B. J Oneal Transl Res. 2016 Nov;2(1) (PMID: 27981260)
  • Treatment results of brachytherapy vs. external beam radiation therapy for intermediate risk prostate cancer with 10-year follow up, Goy BW, Soper MS, Chang T, Slezak JM, Cosmatos HA, Tome M. Brachytherapy 2016 Sept 2 (PM ID: 27 600607)
  • Semi-automated segmentation of head and neck cancers in 18F-FDG PET scans: A just enough interaction approach, Bichel RR, Van Toi M, Ulrich EJ, Bauer C, Chang T, Plichta KA, Smith BJ, Sun-derland JJ, Graham MM, Sonka M, Buatti JM. Med Phys 2016 Jun;43(6):2948 (PMID: 27277044)
  • Utilization of Health Change of SUVmax Slope in Triphasic FOG-PET/CT to Distinguish Malignancy from Post-Radiation Inflammation - a Phase II Prospective Trial, Anderson C, Chang T, Graham M, Marquardt M, Button A, Smith, B, Mencia, Y, Sun W, Funk G, Buatti J. Int J Radiat Oneal Biol Phys. 2015 Mar 1:91(3):472-9 (PMID: 25680593)
  • Digitoxin activates EGR1 and synergized with paclitaxel on human breast cancer cells, Einbond LS, Wu HA, Su T, Chang T, Panjikaran M, Wang X, Goldsberry S. Journal of Carcinogenesis 2010 Nov 18;9:10 (PMID: 21139994)
  • Effect of weight loss by diet or gastric bypass surgery on PYY3-36 levels, Olivan B, Teixeira J, Bose M, Bawa B, Chang T, Summe H, Lee H, Laferrere B.Annals of Surgery 2009 Jun; 249(6):948-53 (PM ID: 194 7 4685)
  • High Pressure Combinatorial screening of homogeneous catalysts: hydrogenation of CO2, Chih-Cheng T, Chang T, Roller B, Jessop P. Inorganic Chemistry 2003 Nov 17;42(23):7340-1 (PMID: 14606818)