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med. Johan Christian Leder

Internist Pneumologe Allergologe Oldenburg

med. Johan Christian Leder

13 years of experience

9,127+
Patients seen
13
Years in practice
7
Publications

PROFILE SUMMARY

About Dr. med. Johan Christian Leder at a glance

Dr. med. Johan Christian Leder is an Internist Pneumologe Allergologe practitioner based in Oldenburg, Germany, practising at Universität Hamburg Teaching Hospital. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universität Hamburg (MD, 2009). Serves patients in Oldenburg, Germany and the surrounding area.

About

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

— med. Johan Christian Leder

Education & training

  1. 2003–2009 MD · Medicine and Surgery
    Universität Hamburg, oldenburg (DE)
  2. 2009–2013 Residency · Internist Pneumologe Allergologe
    Technische Universität München, oldenburg (DE)

Career & appointments

  1. 2013-09–2014-08 Junior consultant
    Universität Hamburg Teaching Hospital — Internist Pneumologe Allergologe

Licenses & insurance

Medical licenses

DE — Bundesärztekammer
#DE-99405 active · expires 2028-12-31

Board certifications

European Board of Internist Pneumologe Allergologe
#EB-DF974602 · issued 2014 · renewal 2024
Malpractice insurance: Allianz Professional · 2,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,743
Annual physical exam 99395 2,465
Vaccination administration 90471 801
Minor procedure (skin) 17110 278

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 30 min in_clinic 270.00 EUR
Minor procedure (skin) 120 min in_clinic 360.00 EUR

Office, team & in practice

Dr. med. Johan Christian Leder
HEADSHOT
Dr. med. Johan Christian Leder in consultation
IN OFFICE
Dr. med. Johan Christian Leder with the team
WITH TEAM
Dr. med. Johan Christian Leder at a conference
CONFERENCE

Videos

introduction · 148s
Meet Dr. med. Johan Christian Leder

Research & publications

h-index: 10 · i10: 9

  1. Validation of clinical scoring in Internist Pneumologe Allergologe
    Dr. med. Johan Christian Leder, et al. · European Journal of Medicine, 2026
    DOI: 10.6541/euroclin.2026.0 · PMID: 38924272 · cited by 167
  2. Long-term follow-up of Internist Pneumologe Allergologe across DE
    Dr. med. Johan Christian Leder, et al. · European Journal of Medicine, 2025
    DOI: 10.9152/euroclin.2025.1 · PMID: 30365933 · cited by 173
  3. Validation of clinical scoring in Internist Pneumologe Allergologe
    Dr. med. Johan Christian Leder, et al. · European Journal of Medicine, 2024
    DOI: 10.3755/euroclin.2024.2 · PMID: 32464721 · cited by 171
  4. Long-term follow-up of Internist Pneumologe Allergologe across DE
    Dr. med. Johan Christian Leder, et al. · European Journal of Medicine, 2023
    DOI: 10.1086/euroclin.2023.3 · PMID: 31309482 · cited by 201

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Internist Pneumologe Allergologe — oldenburg · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2014
  • national college of family doctors — Member · Since 2014
  • European Union of Medical Specialists (UEMS) — Member · Since 2014

Articles by this doctor

  • Patient education Patient guide to Internist Pneumologe Allergologe
  • Awareness When should you see a internist pneumologe allergologe?

For international patients

Coordinator
Patient liaison · jameda.johan.christian.leder@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. Johan Christian Leder's Areas of Specialty

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

Internist Pneumologe Allergologe

Dr. med. Johan Christian Leder is one of 271 internist pneumologe allergologe doctors indexed in Germany. Browse internist pneumologe allergologe doctors in Germany →

LOCAL CARE CONTEXT

Why local healthcare in Oldenburg 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 Oldenburg 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 Oldenburg 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. Johan Christian Leder specialise in?

    Dr. med. Johan Christian Leder specialises in Internist Pneumologe Allergologe in oldenburg, DE.

  • What conditions does Dr. med. Johan Christian Leder treat?

    Dr. med. Johan Christian Leder treats conditions within Internist Pneumologe Allergologe. View the full conditions-treated list on the profile.

  • Where does Dr. med. Johan Christian Leder practise?

    Dr. med. Johan Christian Leder practises in oldenburg, DE. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • How do I book an appointment with Dr. med. Johan Christian Leder?

    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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