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Dr. Maroun El Khoury

Consultant Oncologist / Hematologist

American Hospital Dubai

LanguagesArabic, English

Dr. Maroun El Khoury completed his basic medical training from Saint Joseph University School of Medicine Beirut, Lebanon in 1999. He completed his US Board Certification in Internal Medicine (2003) and both Oncology & Hematology in 2006. Prior to joining us, Dr. El Khoury was working since July, 2006 as an Attending Physician Hematology/Oncology at the Great River Hematology and Oncology Iowa USA. He also served as Medical Director & Chief of Medicine at the same place and co-directed the hospice and palliative care program. He is also a member of the American Society of Clinical Oncology, American Society of Hematology and American Academy of Pain Management.

Dr. Faraz Khan

Consultant Oncologist / Hematologist

American Hospital Dubai

LanguagesUrdu, English, Hindi

Dr. Faraz Khan completed his basic medical training in 1997 from Allama Iqbal Medical College, Lahore, Pakistan. He is triple US Board Certified in Internal Medicine (2002), Medical Oncology (2005) and Hematology (2005). Prior to joining us, since 2005, Dr. Khan worked as a Consultant Medical Oncologist/Hematologist at PEI Cancer Treatment Center, Charlottetown, PEI, Canada, where he also served as a primary investigator for the clinical trials in Hematologic diseases. He was a member of Association of Hemophilia Clinic Directors of Canada and directed the PEI Hemophilia and Bleeding Disorder Clinic.

Dr. Tarek Dufan

MD, Msc, FRCPC, Director of Radiation Oncology and Medical Imaging
Senior consultant Radiation Oncologist

American Hospital Dubai

LanguagesEnglish, Italian, Arabic

Dr. Tarek Dufan completed his US Board Certification in Radiation Oncology (2011) and Canadian Board Certification in Radiation Oncology (2009), Fellow of the Royal College of Physicians and Surgeons, Canada. He has fellowship Degree in anatomy and cell biology from university of Saskatchewan – Canada and Master degree from UK; He did his basic medical training from Al-Fateh University, Tripoli, Libya in 1999.

Prior to joining us, Dr. Dufan was working since August 2014 as a Cancer Liaison Physician at Sanford Bismarck Health Center, North Dakota, USA. Since July 2010, Dr. Dufan worked as Medical Director at Bismarck Cancer Center, North Dakota, USA. Dr. Dufan also worked as a Senior Consultant Radiation Oncologist, since July 2009, at Bismarck Cancer Center, Sanford Bismarck Health Center and CHI St. Alexius Health Center, North Dakota, USA.

Dr. Dufan is an active member of the American Society of Brachytherapy, American Society of Clinical Oncology, American College of Radiology, and American Society of Therapeutic Radiology and Oncology.

Dr. Abdul Hafeez Siddiqui

Pediatric Hematologist/ Oncologist

American Hospital Dubai


With over ten years of experience in the Pediatrics field, Dr. Abdul Hafez Siddiqui is a Consultant and Pediatric Hematologist and Oncologist. With a degree from the Dow Medical College in Pakistan and certifications from the American Board of Pediatrics in General Pediatrics, Pediatric Hematology and Oncology, Dr. Siddiqui is one of the most respected physicians in his field.

Throughout his illustrious medical career, Dr. Siddiqui has worked in some of the most notable hospitals and medical centers in the world, such as the University of South Alabama, the Hemophilia Treatment Centre in Mobile, Alabama, and the Rehabilitation Institute of Chicago in Illinois. In addition, Dr. Siddiqui has received prestigious accolades that include the “Best Lecture of the Year” award from the University of South Alabama in 2013 as well as the Children Hospital of Michigan’s “Wolf Zuelzer Fellow Research Award” in 2010. His professional path has lead him to American Hospital Dubai’s Pediatric Department’s where he is considered to be one of the most trusted physicians today.

In parallel with his work at the American Hospital Dubai, Dr. Siddiqui is a frequent keynote speaker at international medical lectures and a roundtable conferences, tackling medical conditions such as Phoechromocytoma, Pediatric Kidney Tumors and Hemolytic Anemia, as well as an advisor for pediatric residents, a mentor, and a published medical researcher.

Dr. Hatem Moussa

Diplomat of American Board of Surgery
Consultant General Surgeon

American Hospital Dubai

LanguagesArabic, English

An honor graduate from Cairo University’s Medical School in Egypt, Dr. Hatem Moussa is an expert in robotics assisted laparoscopic general surgery. He performs colon and rectal surgeries in different techniques including, open and laparoscopic.

Dr. Moussa’s medical forays upon his university graduation led him be a lecturer in the field of medical microbiology and immunology at Cairo University where he was a faculty staff in the university hospitals.

Dr. Moussa moved to New York in 1999 and worked as a Post-Doctoral Research Fellow for one year followed by a surgical internship at the Staten Island University Hospital in New York, then he completed his surgical training at the State University of New York in Brooklyn, New York, one of the most challenging surgical residency programs in the area then ultimately, a chief residency at that same medical institution.

Dr. Moussa started his academic career as an assistant professor of surgery at SUNY Downstate, Brooklyn, NY., here he remained over the course of the next few years. His career went on to flourish in Florida where he served as the director and founder of coastal surgical associates in Northwest Florida. He as well founded the first thyroid clinic in the area after he has performed an advanced training in minimally invasive and robotic endocrine surgery at Tulane University in New Orleans treating thyroid and parathyroid diseases.

Dr. Moussa currently is a clinical proctor and national trainer for robotics surgical procedures, and one of the most respected surgeons in laparoscopic and robotic surgeries. He is also a clinical faculty and preceptor for Alabama College of Osteopathic Medicine.

Over the course of his career, Dr. Moussa has accumulated accolades and honors that include an award for Best Project in Surgery from New York’s Lutheran Medical Center and America’s top surgeon award in 2013.

Dr. Reinhold Zimmermann


American Hospital Dubai

LanguagesEnglish, German

Dr. Reinhold Zimmermann obtained his German Board Certification in Urology (FACHARZT) in 2004. He did his basic medical training from Ludwig-Maximilians-University, Munich, Germany in 1996. Prior to joining us, Dr. Zimmermann worked, since 2009, as Consultant Urologist at Paracelsus Medical University, Salzburg, Germany. Since 2014, he was appointed as the Vice Head of Department of Urology, Paracelsus Medical University, Salzburg. From 2008 to 2009, he worked as a Consultant Urologist at Elisabethinen Hospital Linz, Austria.

Dr. Jin-Yul Lee


American Hospital Dubai

LanguagesGerman, English, Korean

Dr. Jin-Yul Lee is a highly experienced Neurosurgeon. He covers all aspects of neuro-spinal surgery and has successfully performed a large number of cervical and lumbar spinal surgeries including minimally invasive techniques. He has special interest in brain tumor surgeries using the latest techniques.

After obtaining his medical degree from the School of Medicine, Free University of Berlin, Germany in 1990, Dr. Lee worked at the Institute of Neuropathology, University of Berlin for two years. He then did his residency in Neurosurgery from 92-99 at the University of Cologne, Germany. After completing his specialized training in Neurosurgery, he worked at the Department of Neurosurgery, University of Cologne as a faculty member from 2000 to 2006. Dr. Lee then spent three years from 2006 -2009 at the Crosby Neurosurgical Laboratories, Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, USA. He then returned back to Germany in Dec. 2009 to join the Department of Neurosurgery, University of Wurzburg, Germany till Feb. 2014 when he joined the staff at the American Hospital Dubai.

Dr. Tiernan Byrnes

Spinal Neurosurgeon

American Hospital Dubai


Dr. Tiernan Byrnes qualified from Edinburgh University in 1997 and trained in St George’s, King’s College Hospital, Great Ormond Street Hospital and The National Hospital for Neurology and Neurosurgery. His Postgraduate Research Thesis (MD) was awarded by The University of London. He obtained his Neurosurgery Fellowship from the Royal College of Surgeons (Ireland) in 2009 and completed his CCT (Certificate of Completion of Training), UK in 2010.

After a Complex Spinal Fellowship in The Royal National Orthopaedic Hospital (Stanmore) and The National Hospital of Neurology and Neurosurgery (Queen Square) he worked in St Bartholomew’s and The Royal London Hospital,  with a specialist interest in Complex Spine Surgery including: Spinal Trauma, Spinal Tuberculosis  and Spinal Tumour. Prior to joining us, Dr. Byrnes worked within the Private sector, since 2013, as a Consultant Neurosurgeon with The One Health Group, U.K.

Dr. Byrnes is a highly skilled Spinal Neurosurgeon with broad expertise. All procedures are performed microsurgically with minimally invasive techniques. His ethos is “Maximum Benefit for Minimum Risk” achieved by careful clinical and neurological assessment and close attention to patients’ expectations. Non-Surgical treatments are always considered first and surgery only advised where an expectation of good outcome is assured.

Dr. Byrnes’ special interest is the Diagnosis and Treatment of Spine and Nerve Pain as detailed below:


spinal pain and nerve pain

  1. Cervical, thoracic and lumbar pain
  2. Leg pain (sciatica) and arm pain (brachialgia)
  3. Disc prolapse, spinal stenosis and degeneration / spondylosis
  4. Spinal cord compression  / nerve root compression
  5. Osteoporosis fractures
  6. Sports injury, diagnosis and treatment
  7. Spinal infection / spinal tumour



spine: non-surgical treatments

  1. Multidisciplinary pain management
  2. Spinal injections including: facet joint, epidural and nerve root block
  3. Facet joint denervation / rhyzotomy



spine: surgical treatments

  1. Spinal microsurgery – ‘zeiss pentero’
  2. Real time intraoperative image guided surgical navigation – ‘stealth’
  3. Real time multi-dimensional intraoperative surgical imaging – ‘O-arm’
  4. Micro-discectomy / micro-decompression
  5. Disc replacement (arthroplasty)
  6. Minimally invasive image guided  spinal fusion / stabilisation
  7. Vertebroplasty / kyphoplasty – osteoporosis



peripheral entrapment neuropathies

  1. Carpal tunnel syndrome / carpal tunnel decompression
  2. Ulnar neuropathy / ulnar nerve decompression



Dr. Mona Tareen

Geriatrician / Hospice and Palliative Care Specialist

American Hospital Dubai

LanguagesDari Farsi, English, Basic Urdu

Dr. Mona Tareen completed her US Board Certification of Internal Medicine in 2007, Geriatrics Board Certification in 2008 and Hospice and Palliative Medicine in 2008. She did her basic medical training at Dow Medical college, Pakistan in 1996.

Prior to joining us, Dr. Tareen worked as Palliative Medicine Consultant and Medical Director of Hospice and Palliative care Program since 2011 in the US. From 2006 – 2010, she also worked as Consultant Geriatrician at Rush University Medical Center, Chicago, US.

Dr. Imran Haq

Consultant General Surgeon

American Hospital Dubai

LanguagesEnglish, Germany, Punjabi, Urdu

Dr. Imran Haq, MD, is American Board Certified in Surgery. He is also a fellow of the prestigious Royal College of Surgeons of Edinburgh, UK, the American College of Surgeons and the International College of Surgeons.

Dr. Haq  performs advanced laparoscopic surgery including Robotic Surgery and specializes in weight loss surgery, executing routine gastric bypass, gastric sleeve and lap band operations with proficiency and ease. He holds a wealth of knowledge and experience in general surgery, namely, breast, colorectal surgery, oncologic surgery and treatment for hernias and other complex abdominal and  pelvic conditions.

After graduating from the University of the Punjab, Lahore, Pakistan, Dr. Haq went on to the UK where he continued his higher surgical training and obtained FRCS. He later moved to the USA and subsequently completed his surgical residency at the leading medical institutions of New York and New Jersey, attaining fellowships including Trauma & Surgical Critical Care and Organ Transplant Surgery.

Prior to joining the American Hospital Dubai, Dr. Haq was practicing at the Inspira Medical Center in  New Jersey, where he was actively involved in teaching surgery residents and served as an attending General, Vascular, Laparoscopic and Bariatric Surgeon.

Dr. Haq believes in giving individual attention to all his patients, consistently providing them with state-of-the-art surgical expertise in a compassionate and caring environment. Additionally, he ensures that all surgery programs cater for every need, providing diligent care from the very first consultation until all achievements concerning the goals and objectives of his patients are met.

Dr. Haq has vast experience in Breast Cancer, Lumps, Pain, Lymph Nodes, Sentinel Biopsies, Axillary masses and conditions, and also nipple-related conditions.