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Leonard Horwitz, MD, Hematology, Cleveland, OH

LeonardJosephHorwitzMD

Hematology Cleveland, OH

Physician

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  • Office

    9500 Euclid Ave
    # R35
    Cleveland, OH 44195
    Phone+1 216-445-2030
    Fax+1 216-445-0470

Education & Training

  • University of Texas Health Science Center at Houston/M D Anderson Cancer Center
    University of Texas Health Science Center at Houston/M D Anderson Cancer CenterFellowship, Hematology and Medical Oncology, 1982 - 1984
  • Zucker School of Medicine at Hofstra/Northwell
    Zucker School of Medicine at Hofstra/NorthwellFellowship, Hematology and Medical Oncology, 1980 - 1982
  • Zucker School of Medicine at Hofstra/Northwell
    Zucker School of Medicine at Hofstra/NorthwellResidency, Internal Medicine, 1977 - 1980
  • Albert Einstein College of Medicine
    Albert Einstein College of MedicineClass of 1977
  • Yale University
    Yale UniversityB.S., Molecular Biophysics & Biochemistry, Magna Cum Laude, 1969 - 1973

Certifications & Licensure

  • OH State Medical License
    OH State Medical License 1989 - 2024
  • KY State Medical License
    KY State Medical License 2000 - 2006
  • TX State Medical License
    TX State Medical License 1983 - 1990
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Hematology
  • American Board of Internal Medicine Medical Oncology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2011, 2013
  • Fellow American College of Physicians, 1988
  • Fellow American Cancer Society, 1982

Publications & Presentations

PubMed

Journal Articles

  • High-dose cyclophosphamide, BCNU, and VP-16 with autologous blood stem cell support for refractory multiple myeloma  
    Ventura GJ, Barlogie B, Hester JP, Yau JC, LeMaistre CF, Wallertein RO, Spinolo J, Dicke KA, Horwitz LJ, and Alexanian R, Bone Marrow Transplantation, 1/1/1990
  • Treatment of estrogen receptor negative or hormonally refractory breast cancer with double high dose chemotherapy intensification and bone marrow support  
    Dunphy FR, Spitzer G, Buzdar AU, Hortobagyi GN, Horwitz LJ, Yau JC, et al, J Clin Oncol, 1/1/1990
  • Treatment of estrogen receptor negative or hormonally refractory breast cancer with double high dose chemotherapy intensification and bone marrow support.  
    Dunphy FR, Spitzer G, Buzdar AU, Hortobagyi GN, Horwitz LJ, Yau JC, et al., J Clin Oncol, 1/1/1990
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Books/Book Chapters

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Abstracts/Posters

  • A prospective, randomized, chemoprevention trial of celecoxib for high risk monoclonal gammopathy of undetermined significance and asymptomatic multiple myeloma
    Horwitz LJ, Faiman B, Elson PJ, Baz RC, Hussein M, Lust JA, Mehta P, Reu FJ, Habecker B, Reed J, Karam MA, Hsi ED, Sobecks RM, Dean RS, Kaushal V and Kalaycio M, American Society of Hematology, 1/1/2012
  • Anemia associated with increased IL-6 and IL-8 levels predicts for worse progression free survival in T-cell and NK-cell large granular lymphocyte Leukemia, but is imp...
    Portell CA, Visconte V, Clemente M, Afable M, Tabarroki A, Traina F, Liu Y, Hamilton B, Jarez A, Bupathi M, Advani AS, Horwitz LJ, Lichtin A, Sekeres MA, Meciejewski J..., American Society of Hematology, 1/1/2012
  • Anemia associated with increased IL-6 and IL-8 levels predicts for worse progression free survival in T-cell and NK-cell large granular lymphocyte Leukemia, but is imp...
    Portell CA, Visconte V, Clemente M, Afable M, Tabarroki A, Traina F, Liu Y, Hamilton B, Jarez A, Bupathi M, Advani AS, Horwitz LJ, Lichtin A, Sekeres MA, Meciejewski J..., American Society of Hematology, 1/1/2012
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Lectures

  • Bone Marrow Transplantation: Information for Medical and Nursing Directors of Managed Care and Insurance Programs. 
    Jewish Hospital, Cincinnati, OH - 6/25/1992
  • Bone Marrow Transplantation: Information for Medical and Nursing Directors of Managed Care and Insurance Programs 
    Cincinnati, OH - 6/25/1992
  • Bone Marrow Transplantation: Opportunities and Challenges for the Nineties. 
    Westin Hotel, Cincinnati, OH - 10/10/1991
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Professional Memberships