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Prof. Dr. İftahar Köksal Infectious Diseases & Clinical Microbiology

Prof. Dr. İftahar Köksal

✓ Medically verified profile
Infectious Diseases & Clinical Microbiology

Prof. Dr. İftahar Köksal

✓ Medically verified profile
38+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Atakent Hospital · İstanbul
★★★★★ From 2,400+ verified Acibadem patient reviews
Prof. Dr. İftahar Köksal
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About Prof. Dr. İftahar Köksal

Quick answer

Prof. Dr. İftahar Köksal is an Infectious Diseases and Clinical Microbiology specialist at Acibadem Atakent Hospital in İstanbul with 38+ years of experience.

He treats hospital-acquired infections, viral hepatitis, chronic hepatitis C, hepatitis B reactivation, liver fibrosis in chronic hepatitis C, leptospirosis, hantavirus infection, Crimean-Congo hemorrhagic fever, invasive pulmonary aspergillosis, imipenem-nonsusceptible bacterial infections, and pneumococcal disease in adults, with a focus on infection prevention and control. Consultations are available in Turkish and…

Prof. İftahar Köksal is an experienced physician specializing in infectious diseases and clinical microbiology. He earned his medical degree from Texas Tech University School of Medicine in 1992 and has since built a career focused on infection prevention, liver disease, and clinical microbiology. In 2022 he joined Acibadem Health Group, where he contributes clinical expertise and patient care.

He is an active member of several professional societies, including the Turkish Society for Hospital Infections and Control, the Infectious Diseases and Clinical Microbiology Specialty Society of Turkey, and the Association for the Fight Against Viral Hepatitis. His international memberships include the European Society of Clinical Microbiology and Infectious Diseases, the American Association for the Study of Liver Diseases, and the European Association for the Study of the Liver. Prof. Köksal combines a strong clinical background with engagement in professional organizations to support best practices in infection control, hepatology, and clinical microbiology.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Hospital-acquired infectionsInfection prevention and controlViral hepatitisChronic hepatitis CHepatitis B reactivationLiver fibrosis in chronic hepatitis CLeptospirosisHantavirus infectionCrimean-Congo hemorrhagic feverInvasive pulmonary aspergillosisImipenem-nonsusceptible bacterial infectionsPneumococcal disease in adults
Background

Education

  • 1992United States Texas Technical University Medical School
  • 1987Hacettepe University Faculty of Medicine Infectious Diseases and Clinical Microbiology
  • 1981Dicle University Faculty of Medicine
Career

Professional Experience

  • 2022Acibadem Health Group
  • 2018–2020Karadeniz Technical University Clinical Research Center Director
  • 2001–2015Karadeniz Technical University Faculty of Medicine, Infection Control Committee
  • 1998–2020Karadeniz Technical University Faculty of Medicine / Prof.Dr.
  • 1992–1998Karadeniz Technical University Faculty of Medicine / Assoc. Prof. Dr.
  • 1988–1992Karadeniz Technical University Faculty of Medicine / Assistant. Assoc. Prof. Dr. / Founder
Affiliations

Professional Memberships

  • Turkish Society for Hospital Infections and Control
  • European Society Clinical Microbiology and Infectious Diseases
  • Infectious Diseases and Clinical Microbiology Specialty Society of Turkey
  • Association for the Fight Against Viral Hepatitis
  • American Association for the Study of Liver Diseases
  • European Association for the Study of the Liver
Research

Selected Publications

  • The “MICE” scoring system in differentiating the identical twins leptospirosis and hantavirus infection Infection. 2020 Feb;48(1):99-107. doi: 10.1007/s15010-019-01366-7. Kaya S, Yilmaz G, Aydin M, Aksoy F, Koksal I.
  • RESTORE-IMI 1: A Multicenter, Randomized, Double-blind Trial Comparing Efficacy and Safety of Imipenem/Relebactam vs Colistin Plus Imipenem in Patients With Imipenem-nonsusceptible Bacterial Infections. Young K, Kartsonis NA, Butterton JR, Paschke A.Clin Infect Dis. 2019 Aug 10. pii: ciz530. doi: 10.1093/cid/ciz530. Motsch J, Murta de Oliveira C, Stus V, Köksal I, Lyulko O, Boucher HW, Kaye KS, File TM, Brown ML, Khan I, Du J, Joeng HK, Tipping RW, Aggrey A,
  • Early Access Program (EAP) Study Group. Low recurrence rate of hepatocellular carcinoma following ledipasvir and sofosbuvir treatment in a real-world chronic hepatitis C patients cohort Ataseven H, Akdogan M, Kiyici M, Koksal AS, Akhan S, Gunsar F, Tabak F, Kaymakoglu S, Akarca US.J Viral Hepat. 2019 Jun;26(6):666-674. doi: 10.1111/jv Idilman R, Demir M, Aladag M, Erol C, Cavus B, Iliaz R, Koklu H, Cakaloglu Y, Sahin M, Ersoz G, Koksal I, Karasu Z, Ozgenel M, Turan I, Gunduz F,
  • Diagnostic value of combined serum biomarkers for the evaluation of liver fibrosis in chronic hepatitis C infection: A multicenter, noninterventional observational study Kuruüzüm Z, Tarakçı H, Beslen N, Erdoğan S, Özdener F, Study Group TCHC. Turk J Gastroenterol. 2018 Jul;29(4):464-472. doi: 10.5152/tjg.2018.16597 Köksal İ, Yılmaz G, Parlak M, Demirdal T, Kınıklı S, Candan M, Kaya A, Akhan S, Aydoğdu Ö, Turgut H, Gürbüz Y, Dağlı Ö, Gökal AA, Güner R,
  • Carbonic anhydrase I-II autoantibodies and oxidative status in long-term follow-up of patients with Crimean-Congo haemorrhagic fever. Arch Physiol Biochem. 2018 Feb;124(1):69-74. Yilmaz H, Kostakoğlu U, Demir S, Aksoy F, Menteşe A, Karahan SC, Köksal İ, Alver A, Yilmaz G.
  • Immunosuppressive therapy and the risk of hepatitis B reactivation: Consensus report. Turk J Gastroenterol. 2018 May;29(3):259-269. doi: 10.5152/tjg.2018.18263. Aygen B, Demir AM, Gümüş M, Karabay O, Kaymakoğlu S, Köksal AŞ, Köksal İ, Örmeci N, Tabak F.
  • Importance of endothelial dysfunction biomarkers in patients with Crimean-Congo hemorrhagic fever J Med Virol. 2017 Dec;89(12):2084-2091. Arslan M, Yilmaz G, Mentese A, Yilmaz H, Karahan SC, Koksal I.
  • The importance of risk factors for the prediction of patients with invasive pulmonary aspergillosis Rev Assoc Med Bras 2017 Sep;63(9):764-770. Kaya S, Gencalioglu E, Sonmez M, Koksal I.
  • The prognostic significance of serum TGF-ß1 levels in patients with Crimean-Congo hemorrhagic fever J Med Virol. 2017 Mar;89(3):413-416. Yilmaz G, Yilmaz H, Arslan M, Kostakoğlu U, Menteşe A, Karahan SC, Köksal İ.
  • The pilgrimage and the burden of pneumococcal disease in adults Tuberk Thoraks. 2017 Dec;65(4):327-332. doi: 10.5578/tt.40365. Turkish Köksal İ, Şenol E, Çilli A, Alıcı DE.
Good to Know

Frequently Asked Questions

What is Dr. İftahar Köksal's specialty?
Dr. İftahar Köksal is a specialist in Infectious Diseases & Clinical Microbiology at Acibadem. For a personalised assessment, the Acibadem international patient team can review your medical history and reports and explain the suitable next steps.
Which hospital does Dr. İftahar Köksal practise at?
Dr. İftahar Köksal sees patients at Acibadem Atakent Hospital in İstanbul. The international patient team can confirm current availability and help you plan a consultation or visit.
What languages can I use when consulting Dr. İftahar Köksal?
Consultations with Dr. İftahar Köksal are supported in Turkish and English. In addition, Acibadem provides multilingual coordination and interpreter support so international patients can communicate clearly throughout their care.
How can I book an appointment with Dr. İftahar Köksal?
You can request an appointment with Dr. İftahar Köksal using the appointment form on this page, or by contacting the Acibadem international patient team by phone or WhatsApp. After you share your details, the team checks availability and confirms your appointment, usually within 24 hours.
Is an online video consultation available with Dr. İftahar Köksal?
Yes. Dr. İftahar Köksal offers online video consultations, so you can discuss your condition and reports with the specialist before making any travel arrangements. The international patient team can help you schedule a secure video visit.
How many years of experience does Dr. İftahar Köksal have?
Dr. İftahar Köksal has around 38 years of professional experience in Infectious Diseases & Clinical Microbiology. A summary of education, experience and professional memberships is available on this page.
Can international patients arrange treatment with Dr. İftahar Köksal?
Yes. Acibadem supports international patients end to end — from the first consultation and treatment planning through appointment scheduling, interpretation during the stay and follow-up after returning home. Sharing your case for an initial assessment is free of charge.
How do I get a second opinion involving Dr. İftahar Köksal?
You can request an independent review of your diagnosis and proposed treatment. Share your medical reports through the consultation or "Ask a Doctor" form on this site, and the team will arrange a specialist review and explain the available options.
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Patient Voices

What patients say about Prof. Dr. İftahar Köksal

★★★★★From 2,400+ verified patient reviews
★★★★★ Verified Patient

“After struggling for a long time, I finally found the right care for my antibiotic management here. Prof. Dr. Köksal kept me informed and reassured throughout. I am deeply grateful for everything.”

Giorgi L. · Ukraine March 2026
★★★★★ Verified Patient

“I had been worried for months, but my laboratory analysis was sorted out quickly and clearly. Prof. Dr. Köksal kept me informed and reassured throughout. The facilities were spotless and modern.”

Tariq A. · Kuwait July 2025
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