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med. Klaus Keller

Internist Koeln

med. Klaus Keller

9 years of experience

6,068+
Patients seen
9
Years in practice
8
Publications

PROFILE SUMMARY

About Dr. med. Klaus Keller at a glance

Dr. med. Klaus Keller is an Internist practitioner based in Cologne, 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, 2013). Serves patients in Cologne, Germany and the surrounding area.

About

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

— med. Klaus Keller

Education & training

  1. 2007–2013 MD · Medicine and Surgery
    Universität Heidelberg, koeln (DE)
  2. 2013–2017 Residency · Internist
    Universität Heidelberg, koeln (DE)
  3. 2017–2018 Fellowship · Subspecialty training
    Mayo Clinic, US

Career & appointments

  1. 2017-09–2018-08 Junior consultant
    Universität Heidelberg Teaching Hospital — Internist

Licenses & insurance

Medical licenses

DE — Bundesärztekammer
#DE-16311 active · expires 2028-12-31

Board certifications

European Board of Internist
#EB-9FA20804 · issued 2018 · renewal 2028
Malpractice insurance: Allianz Professional · 5,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,503
Annual physical exam 99395 3,033
Vaccination administration 90471 833
Minor procedure (skin) 17110 1,694

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

Office, team & in practice

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

Videos

introduction · 89s
Meet Dr. med. Klaus Keller

Research & publications

h-index: 13 · i10: 16

  1. Outcomes of Internist in adults — a multi-centre cohort
    Dr. med. Klaus Keller, et al. · European Journal of Medicine, 2025
    DOI: 10.5993/euroclin.2025.0 · PMID: 34079700 · cited by 159
  2. European registry analysis of Internist outcomes
    Dr. med. Klaus Keller, et al. · European Journal of Medicine, 2024
    DOI: 10.7319/euroclin.2024.1 · PMID: 38970514 · cited by 181
  3. Outcomes of Internist in adults — a multi-centre cohort
    Dr. med. Klaus Keller, et al. · European Journal of Medicine, 2023
    DOI: 10.1626/euroclin.2023.2 · PMID: 33059013 · cited by 19
  4. European registry analysis of Internist outcomes
    Dr. med. Klaus Keller, et al. · European Journal of Medicine, 2022
    DOI: 10.5596/euroclin.2022.3 · PMID: 37603241 · cited by 97

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Internist — koeln · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2018
  • national college of family doctors — Member · Since 2018
  • European Union of Medical Specialists (UEMS) — Member · Since 2018

Articles by this doctor

  • Patient education Patient guide to Internist
  • Awareness When should you see a internist?

For international patients

Coordinator
Patient liaison · jameda.klaus.keller.2@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. med. Klaus Keller's Areas of Specialty

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

Internist

Dr. med. Klaus Keller is one of 5,492 internist doctors indexed in Germany. Browse internist doctors in Germany →

LOCAL CARE CONTEXT

Why local healthcare in Cologne 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 Cologne 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 Cologne 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. Klaus Keller specialise in?

    Dr. med. Klaus Keller specialises in Internist in koeln, DE.

  • What conditions does Dr. med. Klaus Keller treat?

    Dr. med. Klaus Keller treats conditions within Internist. View the full conditions-treated list on the profile.

  • Where does Dr. med. Klaus Keller practise?

    Dr. med. Klaus Keller practises in koeln, DE. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • How do I book an appointment with Dr. med. Klaus Keller?

    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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