Skip to main content
med. Hermann Johenning

Internist Gastroenterologe Ernaehrungsmediziner Hamburg

med. Hermann Johenning

12 years of experience

8,478+
Patients seen
12
Years in practice
6
Publications

PROFILE SUMMARY

About Dr. med. Hermann Johenning at a glance

Dr. med. Hermann Johenning is an Internist Gastroenterologe Ernaehrungsmediziner practitioner based in Hamburg, Germany, practising at Universität Heidelberg Teaching Hospital. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universität Heidelberg (MD, 2010). Serves patients in Hamburg, 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.”

— med. Hermann Johenning

Education & training

  1. 2004–2010 MD · Medicine and Surgery
    Universität Heidelberg, hamburg (DE)
  2. 2010–2014 Residency · Internist Gastroenterologe Ernaehrungsmediziner
    Charité-Universitätsmedizin Berlin, hamburg (DE)

Career & appointments

  1. 2014-09–2015-08 Junior consultant
    Universität Heidelberg Teaching Hospital — Internist Gastroenterologe Ernaehrungsmediziner

Licenses & insurance

Medical licenses

DE — Bundesärztekammer
#DE-125605 active · expires 2028-12-31

Board certifications

European Board of Internist Gastroenterologe Ernaehrungsmediziner
#EB-603CCBC7 · issued 2015 · renewal 2025
Malpractice insurance: Allianz Professional · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 833
Annual physical exam 99395 1,935
Vaccination administration 90471 2,367
Minor procedure (skin) 17110 1,296

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 270.00 EUR
Minor procedure (skin) 60 min in_clinic 360.00 EUR

Office, team & in practice

Dr. med. Hermann Johenning
HEADSHOT
Dr. med. Hermann Johenning in consultation
IN OFFICE
Dr. med. Hermann Johenning with the team
WITH TEAM
Dr. med. Hermann Johenning at a conference
CONFERENCE

Videos

introduction · 119s
Meet Dr. med. Hermann Johenning

Research & publications

h-index: 21 · i10: 11

  1. Long-term follow-up of Internist Gastroenterologe Ernaehrungsmediziner across DE
    Dr. med. Hermann Johenning, et al. · European Journal of Medicine, 2026
    DOI: 10.1253/euroclin.2026.0 · PMID: 38159010 · cited by 177
  2. Validation of clinical scoring in Internist Gastroenterologe Ernaehrungsmediziner
    Dr. med. Hermann Johenning, et al. · European Journal of Medicine, 2025
    DOI: 10.1924/euroclin.2025.1 · PMID: 35628774 · cited by 11
  3. Long-term follow-up of Internist Gastroenterologe Ernaehrungsmediziner across DE
    Dr. med. Hermann Johenning, et al. · European Journal of Medicine, 2024
    DOI: 10.2015/euroclin.2024.2 · PMID: 31155151 · cited by 101
  4. Validation of clinical scoring in Internist Gastroenterologe Ernaehrungsmediziner
    Dr. med. Hermann Johenning, et al. · European Journal of Medicine, 2023
    DOI: 10.9419/euroclin.2023.3 · PMID: 30245757 · cited by 175

Invited talks

  • Practical updates in Internist Gastroenterologe Ernaehrungsmediziner European Annual Congress (Internist Gastroenterologe Ernaehrungsmediziner) · Vienna · 2024 · invited
  • Single-centre experience in Internist Gastroenterologe Ernaehrungsmediziner National Society Meeting · hamburg · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Internist Gastroenterologe Ernaehrungsmediziner — hamburg · 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 Gastroenterologe Ernaehrungsmediziner 2026-03-04 · 7 min read
  • Awareness When should you see a internist gastroenterologe ernaehrungsmediziner? 2026-01-26 · 10 min read

For international patients

Coordinator
Patient liaison · jameda.hermann.johenning@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

Dr. med. Hermann Johenning's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr. med. Hermann Johenning treats, with the size of the national pool of Germany doctors offering the same care.

Internist Gastroenterologe Ernaehrungsmediziner

Dr. med. Hermann Johenning is one of 70 internist gastroenterologe ernaehrungsmediziner doctors indexed in Germany. Browse internist gastroenterologe ernaehrungsmediziner doctors in Germany →

LOCAL CARE CONTEXT

Why local healthcare in Hamburg 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 Hamburg 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 Hamburg 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 Dr. med. Hermann Johenning specialise in?

    Dr. med. Hermann Johenning specialises in Internist Gastroenterologe Ernaehrungsmediziner in hamburg, DE.

  • What conditions does Dr. med. Hermann Johenning treat?

    Dr. med. Hermann Johenning treats conditions within Internist Gastroenterologe Ernaehrungsmediziner. View the full conditions-treated list on the profile.

  • Where does Dr. med. Hermann Johenning practise?

    Dr. med. Hermann Johenning practises in hamburg, DE. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • How do I book an appointment with Dr. med. Hermann Johenning?

    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. Niels Liedtke Dr. med. Niels Liedtke Internist Gastroenterologe Ernaehrungsmediziner · hamburg Dr. med. Olaf Becker Dr. med. Olaf Becker Internist Gastroenterologe Ernaehrungsmediziner · hamburg Dr. med. Susanne Weyrauch Dr. med. Susanne Weyrauch Internist Gastroenterologe Ernaehrungsmediziner · nuernberg Susanne Erwig Susanne Erwig Internist Gastroenterologe Ernaehrungsmediziner · essen Dr. med. Erdmute Entz Dr. med. Erdmute Entz Internist Gastroenterologe Ernaehrungsmediziner · mannheim Dr. med. Cornelia Tillack-Schreiber Dr. med. Cornelia Tillack-Schreiber Internist Gastroenterologe Ernaehrungsmediziner · muenchen Dr. med. Philipp Zervoulakos Dr. med. Philipp Zervoulakos Internist Gastroenterologe Ernaehrungsmediziner · koeln Dr. med. Andreas Weber Dr. med. Andreas Weber Internist Gastroenterologe Ernaehrungsmediziner · nuernberg

Browse the directory →