· 4,000+ ultrasound examinations of the abdomen, thyroid, blood vessels, and heart
· 8 years + of experience and practice in internal medicine, general medicine, and infectious diseases
· Board-certified specialist in internal medicine with 5 additional certifications
· 3 Languages consultations available in German, English, and Luxembourgish.

Internal medicine

Dr. med. Jonas Jabs

Specialist in Internal Medicine

Specialist in internal medicine with particular expertise in cardiovascular risk management, lipidology/dislipidemia, advanced ultrasound diagnostics, and travel medicine — combining rigorous diagnostics with individualised, high-quality patient care.

Where to start

Should you see Dr. Jabs?

You may want to consult Dr. Jabs if you notice any of the following symptoms and concerns

Cardiovascular risk factors

Internal medicine complaints

Seeking preventive care

Travelling soon

You are a GP or referring physician

You have high cholesterol, high blood pressure, or diabetes — or a combination of these. You want specialist-level monitoring and a personalised prevention strategy from a physician who manages the full picture.

You have unexplained symptoms — infection signs, palpitations, swollen legs, shortness of breath, abdominal pain, abnormal blood results, thyroid or kidney problems, unexplained weight change. You want a thorough diagnosis and a clear explanation.

You want a comprehensive check-up, a cardiovascular risk assessment for heart attack or stroke prevention, or vaccination counselling — before symptoms arise.

You want a comprehensive check-up, a cardiovascular risk assessment for heart attack or stroke prevention, or vaccination counselling — before symptoms arise.

You have a patient requiring specialist internal medicine input — for diagnostic clarification e.g. via ultrasound, cardiovascular risk management, or complex multi-morbidity. I welcome referrals and provide detailed written reports.

CONSULTATIONS

Consultations

Internal Medicine Consultation

Comprehensive evaluation and management of acute and chronic internal medicine conditions across all organ systems.

  • Hypertension, dyslipidaemia, diabetes mellitus, cardiovascular risk assessment
  • Palpitations, swollen legs / oedema (incl. chronic venous insufficiency and lipoedema), shortness of breath, asthma / COPD
  • Abdominal pain, heartburn / reflux, nausea, diarrhoea, constipation
  • Abnormal liver enzymes, reduced kidney function, thyroid disorders
  • Anaemia, joint and muscle pain, unintentional weight change

 Advanced Ultrasound Diagnostics 

Comprehensive on-site ultrasound imaging across all major organ systems and vascular territories, performed by a physician with formal ultrasound training.

  • Abdominal ultrasound
  • Thyroid ultrasound
  • Carotid Doppler / neck vessel ultrasound
  • Leg vessel and leg vein ultrasound
  • Other ultrasound examinations on request

 24-Hour Holter ECG 

Continuous ambulatory cardiac monitoring for the investigation of arrhythmias, palpitations, unexplained dizziness, or syncope.

Travel Medicine & Vaccinations

Certified travel medicine consultations including destination-specific vaccination programmes, infectious disease counselling, and health risk assessments 

  • Informed by clinical experience at Bonn University Hospital’s travel medicine clinic.
  • Travel medicine consultation and vaccination planning
  • Infectious disease counselling
  • Routine and travel vaccination

 Preventive Medicine & Specialised Assessments

  • Cardiovascular risk assessment
  • heart attack and stroke prevention
  • Lipidology consultations (DGFL certified · 2026)
  • Preventive medicine (DAPM certified · 2026)
  • Driver’s licence medical examination
  • Insurance medical examination

Urgent Consultation

Priority same-day appointments for acute presentations.

Availability

Book directly online

Training

05/2026 – Präventivmediziner/Preventive medicine specialist DAPM

02/2026 – Lipidologe/Lipidologist DGFL

02/2025 – Board Certification in Internal Medicine 

2025 – Intensive Course in Psychosomatic Primary Care

05/2024 – Certification as an Antibiotic Expert

05/2022 – Echocardiography Course, Krankenhaus der Barmherzigen Brüder, Trier

2021 – Clinical activity in travel medicine vaccination clinic, Bonn University Hospital

03/2021 – Basic Certification in Travel Medicine Health Counseling, Munich

03/2021 – Doctorate (MD / PhD equivalent) Dissertation: Vitamin D Supplementation in the Optimal>60 Study in Patients with Diffuse Large B-Cell Lymphoma Department of Hematology and Oncology, Saarland University Medical Center

09/2018 – Diploma Abdominal Ultrasound BachelorClass Course, Medical University of Vienna

10/2011 – 11/2017 Medical School, Saarland University (UdS), Homburg, Germany

Professional Affiliations

DGIM — German Society for Internal Medicine 

DGFL — German Society for Lipidology 

DÄGFA — German Medical Association for Acupuncture 

DAPM — German Society for Preventive Medicine 

Hartmannbund — Association of German Doctors 

AMMD — Association des Médecins et Médecins-Dentistes, Luxembourg