Wartensee Castle, Switzerland
Where medical expertise and warmth come together.
Why THERA-SOZO?
Good medicine with experience and humanity – in a personal, trusting atmosphere.
With the practice of Dr. med. Udo Speidel at THERA-SOZO Castle, we pursue a clear vision: to strengthen health sustainably, to improve quality of life and to open up new perspectives for a self-determined life.
We combine modern diagnostics, innovative medical technologies and scientifically based therapeutic approaches into a holistic, medically led treatment concept. At the centre is the person, with their individual needs, personal health goals and the expectation of medicine that goes beyond treating individual symptoms.
Network of expertise
Cooperation partner
- A leader in holistic medicine
- Decades of experience
- Development of innovative treatment concepts
A place where expert diagnostics and therapy, regeneration and hospitality are a matter of course. At the private practice of Dr. med. Udo Speidel, at THERA-SOZO Castle.
Cooperation partner
- Sir Petros Kattou
- Revolutionising neurological care
- Neuromodulation at the highest scientific level
- Evidence-based medicine
- Innovative therapeutic approaches
Network
Our cooperation partners
A driving force behind the vision of THERA-SOZO
Ralf Heinrich
Ralf Heinrich is one of the key driving forces behind the THERA-SOZO idea. His vision of bringing together different medical approaches and opening up new perspectives for a holistic view of health has significantly shaped the conceptual development of the Dr. Speidel practice at THERA-SOZO Castle.
With his many years of commitment, his network and his eye for innovative developments, he has provided important impulses for the creation and further development of the project.
His role in the Dr. Speidel practice at THERA-SOZO Castle lies in providing conceptual and strategic guidance.
Expert in neuromodulation
Sir Petros Kattou
Petros Kattou is co-founder of the SOZO Brain Center in Cyprus and an international cooperation partner of the Dr. Speidel practice at THERA-SOZO Castle in the field of innovative neuromodulation.
With his many years of experience, his specialised expertise and his extensive knowledge of modern neuromodulation methods, he brings valuable professional impulses to our collaboration. His focus lies on developing individualised neuromodulation concepts and passing on his expertise to medical teams.
Our close collaboration with Petros Kattou gives us access to international expertise, continuous exchange of knowledge and innovative approaches to neuromodulation. Together, we aim to further develop modern treatment concepts and to open up new perspectives for individually tailored patient care.
Innovative medicine
Our medical focus areas
Explained clearly, with care and with the patient at the centre.
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Neurology & Neurodegenerative Diseases
Diagnostics and supportive treatment for dementia, Alzheimer’s disease, Parkinson’s disease, ALS, migraine and depression. Individual neurological treatment concepts with a particular focus on neuromodulation.
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Integrative Oncology
Individual support for people with cancer, combining conventional medicine with carefully selected complementary therapies. The focus is on quality of life, symptom relief and personal care.
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Longevity & Prevention
Medically supervised preventive care with the aim of maintaining health, physical performance and quality of life in the long term. Individual programmes based on modern diagnostics.
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Regeneration & Immune Medicine
Holistic support for exhaustion, rheumatic diseases, Hashimoto’s thyroiditis, osteoarthritis and persistent symptoms after infections, including Lyme disease.
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Cardiovascular & Metabolism
Prevention, diagnostics and therapy for arteriosclerosis, diabetes mellitus, high blood pressure and metabolic disorders. The aim is the individual optimisation of important health parameters.
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Gut Health & Nutrition
Individual assessment and treatment for irritable bowel syndrome, chronic inflammatory bowel diseases such as colitis and selected food intolerances or allergies.
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Mitochondrial Health
Medical assessment for persistent exhaustion, polyneuropathies and chronic inflammatory processes. The focus is on possible metabolic disorders and the energy supply of the cells.
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Complex Chronic Conditions
Interdisciplinary support for ME/CFS, long COVID, persistent symptoms after vaccinations and chronic pain. Treatment is based on individual symptoms and the available medical evidence.
Therapies
Our therapies
Selected procedures that we use individually and after a medical assessment.
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Hyperthermia
Targeted therapeutic heat treatment
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Infusion therapy
Targeted supply of selected nutrients
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Galvanotherapy
Local treatment with direct electrical current
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Psycho-oncology
Psychological support for people with cancer
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Apheresis
Targeted blood purification using modern filtration methods
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Ozone therapy
Medical use of oxygen-ozone mixtures
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Intravenous oxygen therapy
Targeted use of oxygen to support physiological processes
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IHHT – Intermittent Hypoxia-Hyperoxia Therapy
Targeted oxygen training to support cellular metabolism
Which treatment is right for you is something we clarify together in the initial medical consultation.
Book an initial consultationDoctors, therapists and science
Our medical team
Interdisciplinary expertise, personally introduced.
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Specialist in internal medicine, gastroenterology, endocrinology and diabetology, gastrointestinal oncology
Dr. med. Matthias Kraft
Internal and integrative medicine, complementary oncology and neuromodulation.
Trained directly by Sir Petros Kattou at the SOZO Brain Center
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Medical director, general practitioner
Dr. med. Udo Speidel
Many years of experience as a family doctor with a broad focus on diagnostics, now specialising in neuromodulation.
Trained directly by Sir Petros Kattou at the SOZO Brain Center
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Specialist in cardiac surgery and general surgery
Prof. Dr. med. Herbert O. Vetter
Internationally experienced cardiac surgeon, now focusing on cardiac shockwave therapy (CSWT).
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Specialist in general medicine (Germany), naturopathic treatments
Andreas Reinhold Scheler
Holistic care for body and mind, with a focus on integrative medicine, metabolic health and chronic diseases.
Trained directly by Sir Petros Kattou at the SOZO Brain Center
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Naturopath in Traditional European Naturopathy (TEN)
Andreas Pezold
Naturopathic practices, phytotherapy, dietetics, reflexology, massage techniques, detoxifying procedures and hydrotherapy.
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PhD in biochemistry, biomedical sciences and laboratory medicine
Dr. Juan Carlos Cassano
A scientific perspective on modern diagnostics, innovative therapeutic approaches and integrative medicine.
Trained directly by Sir Petros Kattou at the SOZO Brain Center
Would you like to speak to one of our doctors?
Book an initial consultationPractice team
Expertise and heart in everyday practice
From registration to treatment, our team combines professional care with individual attention to every patient.
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Medical practice assistant (MPA)
Team leaderSylvia Lauinger
Leads the practice team and ensures smooth processes in everyday practice.
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Medical practice assistant (MPA)
Quality managementElina Josefine Schubert
Quality management and organisation for smooth processes in the practice.
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Medical practice assistant (MPA)
Alexandra Luks
Friendly care in everyday practice, from registration to treatment.
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Junior reception assistant
Nuran Wetter
A warm welcome and your first point of contact at reception.
Together for you
Our team
Hotel and hospitality
Swiss hospitality, fine dining and timeless luxury.
A historic setting, peace and nature overlooking Lake Constance. Explore Wartensee Castle before you arrive.
360° tour
Discover Wartensee Castle virtually.
Take your time to look around: explore the castle and its surroundings in a series of virtual tours, from the comfort of your home.
Start the tour
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Rooms and dining
Luxurious rooms, fine dining and concierge service for our patients.
Historic rooms with spectacular views, fine dining and a personal concierge for patients and their companions.
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Historic rooms
With spectacular views and hotel comfort.
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Fine dining
Fine cuisine, nutrition and well-being of the highest standard.
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Concierge
Organisation, shuttle service, companions and discreet support.
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Personal service
Attentive, multilingual care for patients and their companions.
All-inclusive care
Clear guidance from your first enquiry to aftercare.
You will be personally accompanied throughout the entire process.
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Initial enquiry
Send us your enquiry and our team will get back to you personally.
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Initial medical consultation
A doctor assesses your symptoms, goals and previous findings.
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Individual planning
This forms the basis of your personal treatment plan.
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Organising your stay
Rooms, companions, travel and appointments are coordinated for you.
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Treatment
Diagnostics, therapy and regeneration in carefully coordinated steps.
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Aftercare
After your stay, your continued care is carefully prepared.
or call us on +41 71 858 73 73
Success stories
People share their personal journey
Honest insights from patients: how they found us and what has changed for them.
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Patient story
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Patient story
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Patient story
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Patient story
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Patient story
Your own story begins with a conversation.
Book an initial consultationInternational patients
Discreet arrival, private transfers and multilingual support.
For our international patients, a comprehensive patient management service coordinates travel, shuttle service, accommodation, companions and initial medical information.
ACH
St. Gallen-Altenrhein Airport, approx. 10 min
ZRH
Zurich Airport, approx. 1 h 18 min by train
Zurich HB
Zurich main station, approx. 1 h 36 min by train
Basel HB
Basel SBB, approx. 2 h 54 min by train
FAQ
Frequently asked questions.
Clear, discreet and easy to understand: the key answers about the THERA-SOZO practice at Wartensee Castle, for patients, relatives and international guests.
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The practice combines integrative medicine, neuromodulation, individual treatment planning and hospitality in a discreet castle setting.
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Yes. Our international patient management team assists with the initial consultation, travel planning, shuttle service, accommodation and companions.
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No. THERA-SOZO is deliberately positioned as a premium private practice offering innovative integrative medicine and expertise in neuromodulation.
Book Your Initial Consultation
Address
Wartensee 1
9404 Rorschacherberg
Switzerland
contact@thera-sozo.ch
International enquiries
Phone
+41 71 858 73 73