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Haldun Orhun
41
years of experience

Haldun Orhun

  • 41 years of experience
  • accreditations:
  • Speaks:
    English, Turkish
  • Workplace: Turkey, Istanbul, Memorial Ataşehir Hospital
  • Orthopedic surgeon and traumatologist at Memorial Atasehir Hospital

    Dr. Haldun Orhun is an orthopedic surgeon at Memorial Ataşehir Hospital in Istanbul. He specializes in joint replacements and sports injuries for children and adults. Dr. Orhun treats complex spine traumas and bone fractures. He works at a JCI-accredited facility known for high surgical success rates.

    • Performs knee, hip, shoulder, and ankle joint replacements.
    • Expert in arthroscopic meniscectomy and sports medicine.
    • Member of the International Society of Arthroscopy and Knee Surgery.
    • Certified by the Turkish Medical Association and Istanbul Chamber of Commerce.
4.5
Good
3 patient verified reviews
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4 stars
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5 stars
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Patient reviews

About clinic Memorial Ataşehir Hospital
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1-3 of 3 reviews
Marina • Surgical treatment of scoliosis
Moldova
Aug 8, 2025
Verified review.
Doctors at the highest level
PLUSES Doctors at the highest level...professionalism, attention, responsibility felt during the whole stay...nothing unnecessary was said...no promises were made that could not be realised later...we were very satisfied with the results of their work.... Medical equipment may not be the latest models, but the penultimate certainly ... The food is very tasty... The facilities in the ward create a comfortable stay... The location of the clinic is good... Many hotels of different categories within walking distance..... MINUSES The medical staff and service staff (cleaning of the ward) wish to be better...the clinic needs a little more review of the process of care of medical staff for patients...at night when the patient before surgery or after surgery should gain strength and rest, begins frequent going to the room...then the temperature to measure, then the pressure, then remembering about the drip to connect the next or remove the forgotten.... Another disadvantage is the proposal-proform with an indication of what services are included in the paid amount, and which are not ... I would like a more specific list...taking into account that the treatment plan has changed, the amount to be paid has also changed, and there is always a question whether it is paid or whether it is necessary to pay additionally...which causes inconvenience and worries "whether you have enough money".... The general impression of the clinic was good...despite the disadvantages.....
Professionalism of the medical team
Nursing and housekeeping.
About Bookimed service
Very grateful to Stanislav...all questions were always answered in a short period of time..... any misunderstandings that arose were resolved quickly.....
Olga Seitova • Consultation with an orthopaedist
Kazakhstan
Feb 15, 2025
Verified review.
I liked the doctor's professionalism, competence, ability to explain the causes of pain in an accessible way, to show clearly the planned treatment, and also to warn about the need for further 'self-doctor' behaviour for further recovery of health
I liked the doctor's professionalism, competence, ability to explain the causes of pain in an accessible way, to show clearly the planned treatment, and also to warn about the need for further "self-doctor" behaviour for further recovery of health. The attitude of the staff is excellent.
Marina • Scoliosis
Moldova
Apr 17, 2026
Verified review.

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Certifications & accreditations

Istanbul Chamber of Commerce
International Society of Arthroscopy, Knee Surgery & Orthopedic Sports Medicine

Qualifications

Dr. Haldun Orhun is an orthopedic surgeon and traumatologist at Memorial Ataşehir Hospital in Istanbul. He performs joint replacements and treats spine traumas. This help lets both pediatric and adult patients recover mobility.

Specialization and Surgical Focus

Dr. Orhun restores mobility through joint surgery and sports medicine. He treats various musculoskeletal conditions and injuries. His surgical practice includes:

  • Hip and knee replacement
  • Shoulder and ankle joint replacement
  • Arthroscopic meniscectomy for meniscus tears — a minimally invasive procedure to repair or remove damaged knee cartilage
  • Surgery for forearm fractures
  • Treatment of sports-related injuries
  • Treatment of spine trauma

Professional Career

He has been practicing at Memorial Ataşehir Hospital since 2011. This facility holds JCI accreditation for international safety and quality standards. Dr. Orhun is a member of the orthopedic and traumatology department.

Education and Training

  • 1985 – Ankara University Medical School – Degree in General Medicine, Turkey

Professional Memberships

Dr. Orhun is a member of several medical organizations. These include:

  • International Society of Arthroscopy, Knee Surgery and Orthopedic Sports Medicine (ISAKOS)
  • Turkish Medical Association
  • Istanbul Chamber of Commerce

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