Hitham Tayoun, M.D.

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Hitham Tayoun, M.D. - Urology Clinics of North Texas
Hitham Tayoun, M.D.

Hitham Tayoun, MD

Dr. Hitham Tayoun is American board certified in anatomic Pathology, Cytopathology and Laboratory Medicine. Dr. Tayoun grew up in Damascus, Syria, where he received his primary education and completed his Medical Degree at the Faculty of Medicine, University of Damascus. Dr. Tayoun moved to the United States the following year, where he completed his residency training at the University of Cincinnati; College of Medicine. He then completed a fellowship training in GU & Nephropathology at the Armed Forces Institute of Pathology (AFIP)/ Walter Reed Medical Center in Washington D.C., where he worked with Dr. F. K. Mostofi. He also pursued another fellowship training at SUNY Medical Center in Upstate New York, where he obtained his 3rd American Board Certification in Cytopathology. Dr. Tayoun has practiced GU Pathology for over 12 years and currently resides in Dallas, Texas. Dr. Tayoun is known for his love of photography, music, arts and traveling. He also has a great personal interest and passion for archaeology, mythology and origins of various religions of the ancient world civilizations.


  • 09/15/82- 09/13/88 – Medical Diploma (MD), Univ. of Damascus; Faculty of Medicine, Damascus, Syria


  • 11/2008-Current – Texas Medical Association
  • 09/1999-Current – Fellow, American Society of Cytopathology


  • 09/07/2001 – ThinPrep Pap Smear Interpretation (Valid Indefinitely)
  • 07/15/2000 – Cytopathology, American Board of Pathology (Cer # S-00-061)
  • 10/04/1999 – Pathology & Lab. Medicine, Am Board of Pathology (Cer # 99-240)
  • 06/11/1992 – ECFMG Certificate # 442-382-8 (Valid Indefinitely)


  • Texas # L-0869, Issue Date 10/20/00, Exp. Date 08/31/23


  • 07/2023 – Current. GU Pathologist, PCR Lab Medical Director, Urology Clinics of
    North Texas, Dallas, TX
  • 07/2021 – 06/ 2023 Molecular Pathology, DNA Reference Laboratory, San
    Antonio, TX
  • 02/2021 – 06/2021 Dermatopathology, Southern Illinois Dermatology, Herrin, IL
  • 11/2014 – 01/2021. Molecular Pathology, Medical Director, DNA Reference Laboratory, San Antonio, TX
  • 01/2014 – 10/2014 GU Pathologist, Georgia Urology Laboratory, Stockbridge / Atlanta, GA
  • 01/2013-12/2013 Primary Care Clinician, Primary & Diagnostic Medical Centers of TX, Corpus Christi, TX
  • 06/2010-12/2012 GU Pathologist, Medical Director, Predictive Biosciences / Oncodiagnostics Laboratories, Charlotte, NC
  • 01/2009 -05/2010 GU Pathologist, Medical Director of 4 Laboratoies, Healthtronics Solutions, San Antonio, TX
  • 01/2005-12/2008 GU Pathologist, Medical Director of 5 Laboratories, Uropath, Sarasota, FL
  • 02/2004-10/2004 General Pathologist Medical Director, El Paso Pathology Laboratory, El Paso, TX
  • 01/2001-01/2004 General Pathologist, SouthWest Anatomic Pathology Services, El Paso , TX
  • 01/2001-01/2004 Laboratory Inspector, Navajo Nation Hospitals System, Quest Diagnostics, NM, AZ & NV


  • 07/01/99-06/30/00 Cytopathology Fellowship, Upstate Medical University (SUNY), Syracuse, NY
  • 07/01/98-06/30/99 Genito Urinary & Nephro Pathology Fellowship, Armed Forces Institute of Pathology (AFIP), Washington, D.C.
  • 07/01/97-06/30/98 Dermatopathology Volunteer Visitor Fellowship, Dept. of Dermatology, Univ. of Cincinnati, Cincinnati, OH
  • 07/01/92-06/30/97 Anatomic Pathology/Clinical Pathology Residency, Univ. of Cincinnati; College of Medicine, Cincinnati, OH


  • Upstate Medical University (SUNY) at Syracuse:
    Resident’s Cytopathology Monthly Conference
    Oncology/ Pathology Bi-Weekly Conference
    Cytotechnology School Lecturer
  • University of Cincinnati College of Medicine:
    09/96, Cincinnati Pathology Society Speaker
    Resident’s Conference and Journal Club Presenter
    Medical School Pathology/Lab. Course Instructor
    Medical Technology Course Lecturer


  • Michaels S, MD, Walsh B, BS, CT (ASCP), Steele C, AST (ASCP) and Khurana K, MD, Clinical Significance of Pap Smear Diagnosis of “LGSIL Cannot Exclude HGSIL” Upstate Medical Univ. Syracuse, NY, Poster presented at the American Society of Cytopathology 48th Annual Scientific Meeting, Philadelphia, Nov 7-11, 2000
  • Michaels S, MD, Sabnis S, MD, Oliver J, MD and Guccion J, MD, Renal Sarcoidosis with Superimposed Post-Infectious Glomerulonephritis Presenting as Acute Renal Failure, Report of Two Cases and Review of Literature, Am J Kid D, Vol 36, No1(July), 2000: E4
  • Michaels S, MD, Retzinger C, MD, PhD, von Willebrand’s Disease; Practical Approach to Diagnosis and Treatment, Univ. of Cincinnati Lab Line Editorial, 08-09/1996
  • Tayoun H, MD, Ray M B, MD, PhD, Amitotic Nuclear Division of Hepatocytes in Acute Liver Necrosis and Liver Transplants, Poster Presented at the United States and Canadian Academy of Pathology Annual Meeting, San Francisco, 04/1994
  • Tayoun H, Daoud S, MD, Malignant Melanoma in Syria, Treatment and Prognosis; Doctoral Thesis, Univ. of Damascus Department of Dermatology, Al-Salhani Co., Damascus, Syria, 06/1988
Urology Clinics of North Texas

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