Skip to main content
Priv.-Doz. Dr. med. Viktor Janzen

Internist Haematologe Internistischer Onkologe Palliativmediziner Bonn

Priv.-Doz. Dr. med. Viktor Janzen

12 years of experience

5,899+
Patients seen
12
Years in practice
7
Publications

PROFILE SUMMARY

About Priv.-Doz. Dr. med. Viktor Janzen at a glance

Priv.-Doz. Dr. med. Viktor Janzen is an Internist Haematologe Internistischer Onkologe Palliativmediziner practitioner based in Bonn, Germany, practising at Ludwig-Maximilians-Universität München Teaching Hospital. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Ludwig-Maximilians-Universität München (MD, 2010). Serves patients in Bonn, Germany and the surrounding area.

VERIFIED PHYSICIAN PROFILE · UPDATED MAY 2026

About

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

— Priv.-Doz. Dr. med. Viktor Janzen

Education & training

  1. 2004–2010 MD · Medicine and Surgery
    Ludwig-Maximilians-Universität München, bonn (DE)
  2. 2010–2014 Residency · Internist Haematologe Internistischer Onkologe Palliativmediziner
    Universität Hamburg, bonn (DE)
  3. 2014–2015 Fellowship · Subspecialty training
    Cleveland Clinic, US

Career & appointments

  1. 2014-09–2015-08 Junior consultant
    Ludwig-Maximilians-Universität München Teaching Hospital — Internist Haematologe Internistischer Onkologe Palliativmediziner

Licenses & insurance

Medical licenses

DE — Bundesärztekammer
#DE-842665 active · expires 2028-12-31

Board certifications

European Board of Internist Haematologe Internistischer Onkologe Palliativmediziner
#EB-54313898 · issued 2015 · renewal 2025
Malpractice insurance: AmTrust Europe · 3,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,025
Annual physical exam 99395 1,071
Vaccination administration 90471 2,135
Minor procedure (skin) 17110 1,768

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 90 min in_clinic 450.00 EUR
Minor procedure (skin) 60 min in_clinic 180.00 EUR

Office, team & in practice

Priv.-Doz. Dr. med. Viktor Janzen
HEADSHOT
Priv.-Doz. Dr. med. Viktor Janzen in consultation
IN OFFICE
Priv.-Doz. Dr. med. Viktor Janzen with the team
WITH TEAM
Priv.-Doz. Dr. med. Viktor Janzen at a conference
CONFERENCE

Videos

introduction · 66s
Meet Priv.-Doz. Dr. med. Viktor Janzen

Research & publications

h-index: 18 · i10: 12

  1. Outcomes of Internist Haematologe Internistischer Onkologe Palliativmediziner in adults — a multi-centre cohort
    Priv.-Doz. Dr. med. Viktor Janzen, et al. · European Journal of Medicine, 2025
    DOI: 10.8347/euroclin.2025.0 · PMID: 31720383 · cited by 193
  2. European registry analysis of Internist Haematologe Internistischer Onkologe Palliativmediziner outcomes
    Priv.-Doz. Dr. med. Viktor Janzen, et al. · European Journal of Medicine, 2024
    DOI: 10.9668/euroclin.2024.1 · PMID: 33988263 · cited by 67
  3. Outcomes of Internist Haematologe Internistischer Onkologe Palliativmediziner in adults — a multi-centre cohort
    Priv.-Doz. Dr. med. Viktor Janzen, et al. · European Journal of Medicine, 2023
    DOI: 10.1444/euroclin.2023.2 · PMID: 30026624 · cited by 149
  4. European registry analysis of Internist Haematologe Internistischer Onkologe Palliativmediziner outcomes
    Priv.-Doz. Dr. med. Viktor Janzen, et al. · European Journal of Medicine, 2022
    DOI: 10.1354/euroclin.2022.3 · PMID: 31197934 · cited by 111

Invited talks

  • Practical updates in Internist Haematologe Internistischer Onkologe Palliativmediziner European Annual Congress (Internist Haematologe Internistischer Onkologe Palliativmediziner) · Vienna · 2024 · invited
  • Single-centre experience in Internist Haematologe Internistischer Onkologe Palliativmediziner National Society Meeting · bonn · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Internist Haematologe Internistischer Onkologe Palliativmediziner — bonn · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2015
  • national college of family doctors — Member · Since 2015
  • European Union of Medical Specialists (UEMS) — Member · Since 2015

Articles by this doctor

  • Patient education Patient guide to Internist Haematologe Internistischer Onkologe Palliativmediziner 2026-03-19 · 10 min read
  • Awareness When should you see a internist haematologe internistischer onkologe palliativmediziner? 2026-01-01 · 9 min read

For international patients

Coordinator
Patient liaison · jameda.viktor.janzen@euroclinics.example

Location

1 tag

Patient reviews

Share your experience — help other patients find the right doctor. Write a review →
20 – 4,000 characters

Submissions are moderated and may take 24-72 h to appear publicly. Identifying patient information should not be included.

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

Priv.-Doz. Dr. med. Viktor Janzen's Areas of Specialty

Each specialty below reflects the conditions and procedures Priv.-Doz. Dr. med. Viktor Janzen treats, with the size of the national pool of Germany doctors offering the same care.

Internist Haematologe Internistischer Onkologe Palliativmediziner

Priv.-Doz. Dr. med. Viktor Janzen is one of 245 internist haematologe internistischer onkologe palliativmediziner doctors indexed in Germany. Browse internist haematologe internistischer onkologe palliativmediziner doctors in Germany →

LOCAL CARE CONTEXT

Why local healthcare in Bonn matters

Medical practice in Germany is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Germany medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Bonn 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 Bonn or all doctors in Germany.

Frequently asked questions

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

  • What does Priv.-Doz. Dr. med. Viktor Janzen specialise in?

    Priv.-Doz. Dr. med. Viktor Janzen specialises in Internist Haematologe Internistischer Onkologe Palliativmediziner in bonn, DE.

  • What conditions does Priv.-Doz. Dr. med. Viktor Janzen treat?

    Priv.-Doz. Dr. med. Viktor Janzen treats conditions within Internist Haematologe Internistischer Onkologe Palliativmediziner. View the full conditions-treated list on the profile.

  • Where does Priv.-Doz. Dr. med. Viktor Janzen practise?

    Priv.-Doz. Dr. med. Viktor Janzen practises in bonn, DE. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • How do I book an appointment with Priv.-Doz. Dr. med. Viktor Janzen?

    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.

Similar specialists

Browse all →
Dr. med. Peter Florian Schwindt Dr. med. Peter Florian Schwindt Internist Haematologe Internistischer Onkologe Palliativmediziner · bonn Dr. med. Conrad Heuchel Dr. med. Conrad Heuchel Internist Haematologe Internistischer Onkologe Palliativmediziner · bautzen Dipl.-Med. Steffen Dörfel Dipl.-Med. Steffen Dörfel Internist Haematologe Internistischer Onkologe Palliativmediziner · dresden Dr. med. Mareike Dürholt Dr. med. Mareike Dürholt Internist Haematologe Internistischer Onkologe Palliativmediziner · essen Dr. med. Martje Voswinkel Dr. med. Martje Voswinkel Internist Haematologe Internistischer Onkologe Palliativmediziner · essen Priv.-Doz. Dr. med. Gerald Meckenstock Priv.-Doz. Dr. med. Gerald Meckenstock Internist Haematologe Internistischer Onkologe Palliativmediziner · gelsenkirchen Dr. med. Judith Hennecken Dr. med. Judith Hennecken Internist Haematologe Internistischer Onkologe Palliativmediziner · leverkusen Anja Ruppel Anja Ruppel Internist Haematologe Internistischer Onkologe Palliativmediziner · herten

Browse the directory →