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Klaus Kaczirek
25
years of experience

Klaus Kaczirek

  • Specialization: General surgeon
  • 25 years of experience
  • accreditation:
  • Speaks:
    German, English
  • Workplace: Austria, Vienna, Wiener Privatklinik
  • Deputy Head of the Department of General Surgery at Vienna General Hospital (AKH)

    Dr. Klaus Kaczirek is an endocrine and oncologic surgeon at Wiener Privatklinik in Vienna. He specializes in surgeries for the thyroid, parathyroid, and adrenal glands. Dr. Kaczirek is a member of the European Society of Endocrine Surgeons. He focuses on treating neuroendocrine tumors and hormone-producing cancers using laparoscopic techniques.

    • Former Deputy Head of General Surgery at Vienna General Hospital (AKH).
    • Professor of Surgery at the Medical University of Vienna.
    • Treats complex conditions including liver cancer, pancreatic cancer, and adrenal tumors.
    • Performs specialized procedures like liver resection and distal pancreatectomy.
4.6
Excellent score
20 patient verified reviews
1 star
5%
2 stars
5%
3 stars
15%
4 stars
10%
5 stars
65%

Patient reviews

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1-5 of 20 reviews
Аleksandr • Dialysis
Ukraine
Jun 23, 2026
Verified review.
The support from the clinic since I started treatment has been brilliant
What worried me most was what haemodialysis would actually be like and how I would feel. But my doctor was honest about what to expect and explained the whole process very clearly, including the diet and fluid restrictions. As it turns out, I feel better than I expected. I’ve been prescribed three sessions a week, and the support from the clinic since I started treatment has been brilliant. They’re always available, they’ve checked in on how I’m feeling and given me clear instructions. Importantly, there were no additional costs. My advice to future patients would be to prioritise their health above all else.
Everything's fine.
Anonymous • CT scan of the whole body
Slovenia
Jun 2, 2026
Verified review.
Given how positive my experience was, I would definitely recommend this clinic to anyone needing similar care
My biggest concern was the anxiety around getting a full-body CT scan, but that worry disappeared quickly. From the moment I walked in, the staff made me feel comfortable and explained every single step, which was incredibly reassuring. The clinic was clean and organized, and the medical team was both professional and genuinely kind throughout the entire process. Everything went smoothly. Given how positive my experience was, I would definitely recommend this clinic to anyone needing similar care. I'm grateful for how they handled my case with such efficiency and compassion.
Nothing
Anonymous • PET/CT
Ukraine
May 15, 2026
Verified review.
My experience has been entirely negative. The treatment prescribed did not follow the standard protocol for this condition. Under this treatment, the condition only worsened. I was given information about the most effective treatment currently used worldwide. I never received the doctor’s conclusion following the consultation, even though I asked for it several times. And on top of everything else, judging by the result, it wasn’t worth €500. A treatment that doesn’t work, with no documentation whatsoever. Just a conversation with a professor to whom you have to ask a thousand questions and figure out the treatment options for your condition yourself, because he offers nothing and explains nothing.
Speed of service delivery
The treatment recommended by the professor at the Austrian clinic was completely at odds with standard treatment protocols I never received the discharge summary, even though I had asked for it several times
Tetyana • Metastases in the liver
Ukraine
Apr 19, 2026
Verified review.
Anonymous • Male Check-up
Poland
Apr 3, 2026
Verified review.
I’m glad I chose to come here
It was the right decision. Right from the start, I felt that they were looking after me, from the organisation of the trip right through to the clinic itself. The staff were incredibly attentive and supportive every step of the way. Special thanks to the doctor, who explained everything very patiently and clearly, dispelling any doubts I had. The clinic is clean and modern. The examination itself went smoothly and without any unnecessary stress. I’m glad I chose to come here.
Very nice admin and over qualification doctor. I hope my dream will come true and I do my plastic surgery
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Certifications & accreditations

European Society of Endocrine Surgeons

Qualifications

Prof. Klaus Kaczirek is an Austrian endocrine and oncologic surgeon. He is the **Deputy Head of the Department of General Surgery at Vienna General Hospital (AKH)**. Dr. Kaczirek specializes in complex thyroid and neuroendocrine tumor surgery.

Specialization and Clinical Focus

Dr. Kaczirek treats hormone-producing glands and digestive system cancers. He uses advanced laparoscopic techniques to help patients recover faster and achieve higher precision. His primary areas of expertise include:

  • Thyroid and parathyroid gland surgery
  • Adrenal gland resections for tumors and hormone disorders
  • Surgery for neuroendocrine tumors and hormone-producing cancers
  • Liver resection for hemangiomas, primary cancer, and metastases
  • Distal pancreatectomy and treatment of pancreatic cysts
  • Repair of inguinal and incisional hernias

Professional Background

The specialist has held academic and clinical leadership roles in Vienna. He has worked to advance surgical standards at the Medical University of Vienna. His professional history includes:

  • Senior Consultant – Wiener Privatklinik and Medical University of Vienna (Current)
  • Deputy Head of Department – General Surgery, Vienna General Hospital (AKH) (2010s)
  • Professor of Surgery – Medical University of Vienna (2000s)

Education and Training

Dr. Kaczirek received medical training at Austrian medical institutions. He began his career during a period of innovation in visceral surgical techniques. His education includes:

  • 1980s – Medical degree, University of Vienna
  • Residency – General and visceral surgery, Medical University of Vienna
  • Specialty Certification – Endocrine surgery

Research and Recognition

Prof. Kaczirek is a prolific researcher with extensive publications on endocrine tumor biology. His work has influenced international surgical protocols for thyroid and adrenal diseases. He is a lead investigator in clinical trials and mentors young surgeons. Additionally, he helped establish Vienna as a center for endocrine surgery.

  • Published extensively on minimally invasive surgery and thyroid malignancy outcomes.
  • Contributes to the development of international treatment standards for endocrine oncology.
  • Helped establish Vienna as a center for endocrine surgery.

Professional Memberships

  • European Society of Endocrine Surgeons

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