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Dr. Felix Seeliger

Dr. Felix Seeliger

Qualifications & Background:

 

• Born and raised in Salzburg & Upper Austria (1989-2008)

• Medical studies: Medical University of Vienna & Barts and The London School of Medicine-QMU London (2010-2018)

• Basic training: Hospital of the Brothers of Mercy Vienna (2019-2020)

• Specialist training in dermatology: University Hospital PMU Salzburg (2020)

• Switch to training for general medicine:

Ottakring Clinic, Evangelical Hospital Vienna, Floridsdorf Clinic, Dr. Daniela Danner-de Mendelssohn's Rudolfsplatz Practice (2022-2026)

 

Since his own post-COVID illness in 2022, Dr. Felix Seeliger has been intensively studying post-acute infection syndromes (PAIS) as a patient. He is particularly committed to incorporating his personal experiences into the medical treatment of his patients, thereby offering especially empathetic care to others affected by the same illness.

 

Key areas:

 

• Long/Post-COVID Syndrome & ME/CFS (according to the therapy schedule of the Long Covid Online Clinic)

• General medicine, preventive medicine

• MCAS

• Lipid therapy

• Insulin resistance/prediabetes

• GLP-1/GIP therapeutics

 

Diplomas & Memberships:

 

• Austrian Medical Association Continuing Education Diploma

• Austrian Medical Association Diploma in Orthomolecular Medicine (ongoing)

• Member of the Chamber of Physicians in Vienna

• Austrian Society for Dermatology and Venereology (ÖGDV)

• Austrian Society for General and Family Medicine (ÖGAM)

• German Society for General Practice and Family Medicine (DEGAM)

​Long Covid Online-Clinic

 

© 2025 by Long Covid Online Klinik Powered and secured by Wix

 

Important Notice:

The Long Covid Online Clinic is an independent company and organizationally separate from Dr. Geiger’s private practice.

Please address all inquiries regarding the online clinic exclusively by email to our team.

The medical assistants at Dr. Geiger’s practice are responsible for internal medicine patients and cannot provide information about the online clinic.

We strive to respond to your request as quickly as possible – thank you for your understanding!

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