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Dr Univ.Prof Clemens Dejaco

Gastroenterologie Wien

Dr Univ.Prof Clemens Dejaco

2 years of experience

1,778+
Patients seen
2
Years in practice
14
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr Univ.Prof Clemens Dejaco at a glance

Dr Univ.Prof Clemens Dejaco is a Gastroenterologie practitioner based in Vienna, Austria, practising at UAB Barcelona Teaching Hospital. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at UAB Barcelona (MD, 2021). Serves patients in Vienna, Austria and the surrounding area.

About

Univ.Prof. Dr. Clemens Dejaco ist Facharzt für Innere Medizin mit Spezialisierung auf Gastroenterologie und Hepatologie. Seine Expertise umfasst chronisch-entzündliche Darmerkrankungen, funktionelle gastroenterologische Störungen und Endoskopie.
Neben seiner medizinischen Expertise verfügt Univ.Prof. Dr. Dejaco über eine fundierte Ausbildung in Psychosomatik. Er ist ausgebildeter Psychotherapeut und integriert psychosomatische Aspekte in seine Behandlungsansätze. Dieser ganzheitliche Ansatz ermöglicht es ihm, auf die individuellen Bedürfnisse seiner Patientinnen und Patienten einzugehen.
Univ.Prof. Dr. Dejaco absolvierte sein Medizinstudium an der Universität Wien und promovierte dort im Jahr 1993. Er ist Mitglied in renommierten Fachgesellschaften, darunter die Österreichische Gesellschaft für Gastroenterologie & Hepatologie (ÖGGH), die Österreichische Gesellschaft für Psychosomatik in der Inneren Medizin und die American Gastroenterological Association (AGA).

“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”

— Dr Univ.Prof Clemens Dejaco

Education & training

  1. 2015–2021 MD · Medicine and Surgery
    UAB Barcelona, Wien (AT)
  2. 2021–2025 Residency · Gastroenterologie
    Universidad de Sevilla, Wien (AT)
  3. 2025–2026 Fellowship · Subspecialty training
    Royal Marsden London, UK

Career & appointments

  1. 2025-09–2026-08 Junior consultant
    UAB Barcelona Teaching Hospital — Gastroenterologie

Licenses & insurance

Medical licenses

AT — Organización Médica Colegial de España (OMC)
#AT-717002 active · expires 2028-12-31

Board certifications

European Board of Gastroenterologie
#EB-5D28D53B · issued 2026 · renewal 2036
Malpractice insurance: AXA Healthcare Liability · 3,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 1,620
Annual physical exam 99395 186
Vaccination administration 90471 858
Minor procedure (skin) 17110 1,877

Services & pricing

ServiceDurationModalityPrice
New patient consultation (60m) 60 min in_clinic|telemed 180.00 EUR
Follow-up consultation (30m) 30 min in_clinic|telemed|phone 90.00 EUR
Vaccination administration 60 min in_clinic 540.00 EUR
Minor procedure (skin) 90 min in_clinic 810.00 EUR

Office, team & in practice

Clemens Dejaco in consultation
IN OFFICE
Clemens Dejaco with the team
WITH TEAM
Clemens Dejaco at a conference
CONFERENCE

Videos

introduction · 67s
Meet Clemens Dejaco

Research & publications

h-index: 7 · i10: 12

  1. Outcomes of Gastroenterologie in adults — a multi-centre cohort
    Clemens Dejaco, et al. · European Journal of Medicine, 2025
    DOI: 10.5734/euroclin.2025.0 · PMID: 30510205 · cited by 60
  2. European registry analysis of Gastroenterologie outcomes
    Clemens Dejaco, et al. · European Journal of Medicine, 2024
    DOI: 10.6502/euroclin.2024.1 · PMID: 32360622 · cited by 54
  3. Outcomes of Gastroenterologie in adults — a multi-centre cohort
    Clemens Dejaco, et al. · European Journal of Medicine, 2023
    DOI: 10.5910/euroclin.2023.2 · PMID: 35433340 · cited by 56
  4. European registry analysis of Gastroenterologie outcomes
    Clemens Dejaco, et al. · European Journal of Medicine, 2022
    DOI: 10.8051/euroclin.2022.3 · PMID: 33018038 · cited by 18

Invited talks

  • Practical updates in Gastroenterologie European Annual Congress (Gastroenterologie) · Vienna · 2024 · invited
  • Single-centre experience in Gastroenterologie National Society Meeting · Wien · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Gastroenterologie — Wien · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2026
  • national college of family doctors — Member · Since 2026
  • European Union of Medical Specialists (UEMS) — Member · Since 2026

Articles by this doctor

  • Patient education Patient guide to Gastroenterologie
  • Awareness When should you see a gastroenterologie?

For international patients

Coordinator
Patient liaison · clemens.dejaco@euroclinics.example

Location

1 tag

Patient reviews

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Recent reviews

  • ★★★★★ ✓ Verified
    Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
    Anna B.
  • ★★★★★ ✓ Verified
    Took time to listen and reviewed all my previous results. I would absolutely recommend.
    Marco V.
  • ★★★★☆ ✓ Verified
    Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
    Helena F.

SPECIALTIES & PROCEDURES

Dr Univ.Prof Clemens Dejaco's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Univ.Prof Clemens Dejaco treats, with the size of the national pool of Austria doctors offering the same care.

Gastroenterologie

Dr Univ.Prof Clemens Dejaco is one of 49 gastroenterologie doctors indexed in Austria. Browse gastroenterologie doctors in Austria →

LOCAL CARE CONTEXT

Why local healthcare in Vienna matters

Medical practice in Austria is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Austria medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Vienna carries the additional benefits of local language support, in-person follow-up, and direct coordination with regional hospitals and labs. A verified profile means EuroClinics has cross-checked the practitioner or clinic against an official source (national medical register, public licence database, or the practitioner themselves), and that the data shown here matches that source as of the last verification date above.

Looking for additional providers? all doctors in Vienna or all doctors in Austria.

Frequently asked questions

Quick answers to the questions patients ask most. The same answers are surfaced to AI assistants via structured data.

  • What does Clemens Dejaco specialise in?

    Clemens Dejaco specialises in Gastroenterologie in Wien, AT.

  • What conditions does Clemens Dejaco treat?

    Clemens Dejaco treats conditions within Gastroenterologie. View the full conditions-treated list on the profile.

  • Where does Clemens Dejaco practise?

    Clemens Dejaco practises in Wien, AT. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Clemens Dejaco speak?

    Clemens Dejaco speaks Deutsch.

  • How do I book an appointment with Clemens Dejaco?

    Use the "Request a booking" button on the profile to send an appointment request. Most appointments are confirmed within 24 hours; many slots are bookable instantly.

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