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med. Johann Casjens

Hals Nasen Ohren Arzt Schlafmediziner Allergologe Bremen

med. Johann Casjens

2 years of experience

8,513+
Patients seen
2
Years in practice
11
Publications

PROFILE SUMMARY

About Dr. med. Johann Casjens at a glance

Dr. med. Johann Casjens is a Hals Nasen Ohren Arzt Schlafmediziner Allergologe practitioner based in Bremen, 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, 2022). Serves patients in Bremen, Germany and the surrounding area.

About

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

— med. Johann Casjens

Education & training

  1. 2016–2022 MD · Medicine and Surgery
    Universität Hamburg, bremen (DE)
  2. 2022–2026 Residency · Hals Nasen Ohren Arzt Schlafmediziner Allergologe
    Charité-Universitätsmedizin Berlin, bremen (DE)

Career & appointments

  1. 2026-09–2027-08 Junior consultant
    Universität Hamburg Teaching Hospital — Hals Nasen Ohren Arzt Schlafmediziner Allergologe

Licenses & insurance

Medical licenses

DE — Bundesärztekammer
#DE-664640 active · expires 2028-12-31

Board certifications

European Board of Hals Nasen Ohren Arzt Schlafmediziner Allergologe
#EB-DD3791E2 · issued 2027 · renewal 2037
Malpractice insurance: AmTrust Europe · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 1,595
Annual physical exam 99395 117
Vaccination administration 90471 77
Minor procedure (skin) 17110 1,298

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

Videos

introduction · 136s
Meet Dr. med. Johann Casjens

Research & publications

h-index: 16 · i10: 8

  1. Long-term follow-up of Hals Nasen Ohren Arzt Schlafmediziner Allergologe across DE
    Dr. med. Johann Casjens, et al. · European Journal of Medicine, 2026
    DOI: 10.3051/euroclin.2026.0 · PMID: 30531670 · cited by 67
  2. Validation of clinical scoring in Hals Nasen Ohren Arzt Schlafmediziner Allergologe
    Dr. med. Johann Casjens, et al. · European Journal of Medicine, 2025
    DOI: 10.3429/euroclin.2025.1 · PMID: 39574295 · cited by 161

Invited talks

  • Practical updates in Hals Nasen Ohren Arzt Schlafmediziner Allergologe European Annual Congress (Hals Nasen Ohren Arzt Schlafmediziner Allergologe) · Vienna · 2024 · invited
  • Single-centre experience in Hals Nasen Ohren Arzt Schlafmediziner Allergologe National Society Meeting · bremen · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Hals Nasen Ohren Arzt Schlafmediziner Allergologe — bremen · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2027
  • national college of family doctors — Member · Since 2027
  • European Union of Medical Specialists (UEMS) — Member · Since 2027

Articles by this doctor

  • Patient education Patient guide to Hals Nasen Ohren Arzt Schlafmediziner Allergologe
  • Awareness When should you see a hals nasen ohren arzt schlafmediziner allergologe?

For international patients

Coordinator
Patient liaison · jameda.johann.casjens@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. Johann Casjens's Areas of Specialty

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

Hals Nasen Ohren Arzt Schlafmediziner Allergologe

Dr. med. Johann Casjens is one of 12 hals nasen ohren arzt schlafmediziner allergologe doctors indexed in Germany. Browse hals nasen ohren arzt schlafmediziner allergologe doctors in Germany →

LOCAL CARE CONTEXT

Why local healthcare in Bremen 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 Bremen 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 Bremen 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. Johann Casjens specialise in?

    Dr. med. Johann Casjens specialises in Hals Nasen Ohren Arzt Schlafmediziner Allergologe in bremen, DE.

  • What conditions does Dr. med. Johann Casjens treat?

    Dr. med. Johann Casjens treats conditions within Hals Nasen Ohren Arzt Schlafmediziner Allergologe. View the full conditions-treated list on the profile.

  • Where does Dr. med. Johann Casjens practise?

    Dr. med. Johann Casjens practises in bremen, DE. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • How do I book an appointment with Dr. med. Johann Casjens?

    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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