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Harry Cosmatos, MD

Radiation Oncologist

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Conditions Treated Laryngeal Cancer Lung Cancer Ovarian Cancer Pericardial Mesothelioma Peritoneal Mesothelioma Testicular Mesothelioma

specialties & services

  • Bio & Insurance Information

    Dr. Harry Cosmatos graduated from the Stony Brook University. He did his internship at the University of California Irvine and completed his residency program at the Kaiser Permanente Southern California. He is specialized in Radiation Oncology and also board certified in Radiation Oncology. Dr. Cosmatos has been in practice for more than 11 years and is affiliated with the Kaiser Permanente Los Angeles Medical Center. During his career, he has contributed to 5 research publications.

    Insurance Accepted

    Kaiser PermanenteMedicare

  • Education & Training


    Stony Brook University

    Medical School


    University of California Irvine



    Kaiser Permanente Southern California


  • Board Certifications

    American Board of Radiology - Radiation Oncology

  • Hospital & Practice

    Kaiser Permanente Los Angeles Medical Center

    Languages: English/Spanish

    (800) 954-8000

    4867 Sunset Blvd

    Los Angeles, California 90027

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  • Publications & Memberships

    Dr. Harry Cosmatos has contributed to 3 publications.

    Observation Versus Adjuvant Radiation or Chemotherapy in the Management of Stage I Seminoma: Clinical Outcomes and Prognostic Factors for Relapse in a Large US Cohort.

    Soper, M. S.,Hastings, J. R.,Cosmatos, H. A.,Slezak, J. M.,Wang, R.,Lodin, K.; Am J Clin Oncol. 2012 Dec 27.

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    Treatment of T3 and T4 anal carcinoma with combined chemoradiation and interstitial 192Ir implantation: a 10-year experience.

    Hwang, J.M., Rao, A.R., Cosmatos, H.A., Wang, R., Kaptein, J.S., Kagan, R.A., Hsiang, J.Y., Tome, M.; Brachytherapy. 2004.

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    Metastatic squamous cell carcinoma of the neck from an unknown primary: management options and patterns of relapse.

    Iganej, S., Kagan, R., Anderson, P., Rao, A., Tome, M., Wang, R., Dowlatshahi, M., Cosmatos, H., Morgan, T.; Head Neck. 2002 Mar.

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