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The Double Check clinical team

The medical excellence of Switzerland

We offer the absolutely highest standards of clinical expertise, combined with academic and scientific competence to provide state-of-the-art medicine.


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    Prof. Dr. med. Thomas Lüscher

    Head of Cardiology Practice

    Prof. Lüscher has extensive clinical expertise in the entire field of cardiac and circulatory diseases, from prevention to treatment of coronary heart disease and congestive heart failure. He is an expert in pharmacotherapy and a trained interventional cardiologist.

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    Prof. Dr. med. Michael Fried

    Head of Gastroenterology Practice

    Michael Fried has served as Professor and Clinic Director at the clinic for gastroenterology and hepatology at the University Hospital Zurich since 1994, and also served for many years as head of the department of internal medicine and director of the new medical department of abdominal metabolism (AST).

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    Dr. med. Felicitas Enneking

    Board Certified Internist & Practice Manager

    Dr. med. Enneking is a specialist in internal medicine. Having practiced in various disciplines, she is a broadly trained specialist with extensive clinical expertise and experience in the entire field of internal medicine.

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    Dr. med. Alexander Meyer

    Board Certified Internist

    Dr. med. Meyer is a board-certified internist with a special focus on clinical ultrasound. He is also a pioneer in hybrid acupuncture with lasers and traditional techniques.

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    Dr. Antoinette Sarasin Gianduzzo

    Expert in Health, Nutrition and Lifestyle, NDS ETHZ in Humanernährung, Dr. med. vet

    Antoinette Sarasin Gianduzzo completed her studies at Swiss Federal Institute of Technology (ETH) and her Doctoral Degree at the University of Zurich's Institute for Veterinary Pharmacology and Toxicology. She has in-depth knowledge and passion for health, prevention and vitality, the talent to motivate people towards successful lifestyle changes, and the sensitivity required to anticipate their needs.

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    Med. pract. Christine Fritz

    Specialist in Integrative Medicine

    Med. pract. Christine Fritz’s is a specialist in integrative medicine. Her focus lies in tailoring individually adapted micronutrient supplementation, specific infusion therapies as well as psychotherapy and bio-identical hormone replacement therapy.

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    Dr. med. Christian Schmied


    The specific professional interests and competencies of Dr. Schmied lie in the field of sports cardiology and cardiac rehabilitation.

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We offer the absolutely highest standards of clinical expertise, combined with academic and scientific competence to provide state-of-the-art medicine. Our expert network includes renowned specialists in their various fields, including all aspects of physical and mental health. Our team provides you with medical advice which is based on high-tech diagnostic techniques and years of medical experience at leading health care institutions and research clinics.

Network and Partners

Our partnerships unify state-of-the-art knowledge in Switzerland to your advantage.

Double Check has an unparalleled network of 200 leading specialists, including Switzerland’s finest practitioners – all of whom are renowned experts in their field. Furthermore, Double Check maintains close connections with renowned Swiss clinics including the University Hospital Zurich.

The following are some of the partners in our network:

  • University Hospital Zurich
  • Klinik Hirslanden, Zürich
  • Bethanien Privatklinik, Zürich
  • In cooperation with Dolder Grand: Klinik Tiefenbrunnen, Zürich
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Please contact us now:

Call: +41 44 212 11 00

Or fill out our form to be contacted by our client relations team



Double Checking Every Aspect of Your Health

Diseases and illnesses can strike at precisely the time we least expect them. From that moment, right up until your full recovery and beyond, we are with you every step of the way.

Allow us to give you and your loved ones the peace of mind that you deserve, by ensuring that your health matters are not just checked but Double Checked.

With Double Check as your personal, total healthcare partner you receive the most extensive, effective and exclusive healthcare available anywhere in the world.