Why an online network?
Born out of many years of experience – designed for special needs.
The online network was founded by Dr. Corinna Geiger to provide medical care for people with ME/CFS, Post-Covid, MCAS, and dysautonomias – care that truly offers relief: flexible, evidence-based, and tailored to the challenges of complex conditions.
Physicians in the Long Covid Online Clinic Network
The members of our network combine many years of experience with scientific excellence to provide the best possible support for patients with Long Covid, ME/CFS, and MCAS.

Founder
Dr. Corinna Geiger

for kids & teens (10+)
Dr. Beate Biesenbach

Dr. Kathrin Loranth

Univ.-Prof. Priv.-Doz.
Dr. Kathryn Hoffmann, MPH

Dr. Alina Kleinecke

Dr. Sabine Wagner

Dr. Abdelrahman Aburaia

Dr. Zuzana Pacejkova
1. Book an online appointment
2. Prepare
documents
3. Online Initial Consultation
(30 minutes)
4. Results & Treatment Plan
5. Follow-up appointment
Book an Appointment

The Long Covid Online Network is a leading telemedicine network based in Vienna, specializing in the care of patients with Long COVID and other chronic conditions. Our evidence-based online consultations are designed to advance knowledge in the treatment of complex medical conditions. We work closely with scientific institutions to help develop better treatment approaches over the long term.
Our dedicated team is deeply committed to improving the well-being of our patients. Through innovative telemedicine solutions and close collaboration with renowned institutions, we strive to enhance our patients' quality of life and provide hope for better health.
Please note: The Long Covid Online Clinic is a brand and telemedicine platform operated by Cormedis FlexCo. It is not a hospital or in-patient facility (Krankenanstalt within the meaning of the Austrian Hospitals Act, KAKuG). All medical services are provided exclusively by independent, self-employed physicians (Wahlaerzte) acting on their own professional responsibility.
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