PD Dr. med. Sabine Schmidt-Weitmann

FMH Specialist in Internal Medicine, Phlebology

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PD Dr. Dr. med. Christian Schmidt

FMH Specialist in Surgery, European Specialist in Vascular Surgery (FEBVS), Phlebology

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Dr. med. Iris Hähnel

FMH Specialist in Cardiology, Angiology, Internal Medicine

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Prof. Dr. med. Thomas F. Lüscher, FRCP, FESC

Specialist in internal medicine and cardiology

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Prof. Dr. med. Oliver Senn

FMH Specialist in General Internal Medicine

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Dr. med. Helena Fischer

FMH Specialist in Internal Medicine

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Dr. med. Janosch Nowak

FMH Specialist Dermatology and Venerology

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Medical Practice Assistants

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PD Dr. med. Sabine Schmidt-Weitmann

FMH Specialist in Internal Medicine, Phlebology

Career and Education

1988 – 1995

Medical degree, Technical University of Munich (TUM)



1995 – 2006

Internal medicine, Krankenhaus der Barmherzigen Brüder Regensburg

2007 – 2018

Clinical telemedicine, University Hospital Zurich, Deputy Head

2009 – 2011

Internal medicine, University Hospital Zurich

2017 – 2018

PD Dr Tuma GP and ultrasound practice, Uster

2018 – 2020

Group practice, Venenzentrum am See, Feldmeilen

Since 1/2019

Institute for Family Medicine, academic staff member

Since 1/2020

Director of MediS group practice

Since 1/2020

Practice owner MediS - "Medizin im Schauspielhaus"



Habilitation at the University of Zurich: "Clinical Telemedicine"

Other qualifications


Certificate in Sonography (SGUM)

Certificate in Phlebology (SGP)

Certificate in Laboratory Practice (KHM)

Certificate in Delegated Psychotherapy (FMPP)

Academic lecturer at the University of Zurich for Telemedicine and eHealth

PD Dr. Dr. med. Christian Schmidt

FMH Specialist in Surgery, European Physician for Vascular Surgery (FEBVS), Phlebology

Career and Education


Degree in Medicine, Technical University of Munich


Surgery, Regensburg University Hospital


Krankenhaus Barmherzige Brüder Hospital, Regensburg

1998-2002Clinic for Cardiothoracic Surgery, Regensburg University Hospital

PhD and Postdoctoral Research Fellow at the Cardiovascular Research Unit,
Cape Heart Center at the University of Cape Town, South Africa

Clinic for Cardiac and Vascular Surgery and Department of Surgical Research
University Hospital Zurich (USZ), Assistant Physician and Deputy Senior Physician
2008-2011Surgical clinic Kantonsspital Schaffhausen, Senior Physician
2011-2013Surgical clinic GZO Hospital Wetzikon, Senior Physician
2013-2015Vein Clinic Bellevue Kreuzlingen, Senior Physician
2015-2017Clinic for Cardiac and Vascular Surgery, Co-Director Vein Centre USZ, Senior Physician
2017Habilitation, University of Zurich
2018 - 2020

Venenzentrum am See, group practice, ProVena AG, Feldmeilen

Since 1/2020Head of the Vein Centre Schauspielhaus, MediS group practice, Zürich
Since 1/2020Practice owner MediS -"Medizin im Schauspielhaus" and head of the Vein Centre at the Schauspielhaus

Other qualifications 


Venous ultrasound certificate of competence (SGUM) 

Endovenous thermal ablation of saphonous veins in varicosis certificate of competence (USGG)

Academic lecturer at the University of Zurich for vascular surgery

Dr. med. Iris Hähnel

FMH Specialist in Cardiology, Angiology and Internal Medicine

Career and Education


Degree in Medicine, University of Göttingen




Internal medicine, Göttingen University Hospital


Cardiology, German Heart Centre Munich

1993-1994Department of Medicine, Columbia University, New York (USA)
1994-1997Cardiology, German Heart Centre Munich
1997-2005Cardiology and angiology, Technical University of Munich (TUM) University Hospital
2005-2009Cardiological/angiological practice Prof. Silber, Munich
2009-2015Klinik Hirslanden Zurich, CheckupZentrum, Senior Physician
10/2015 - 02/2022University of Zurich Institute of Primary Care: Head of Training, Senior Physician
Since 01/2011MediS group practice

Other qualifications and posts 


Practice laboratory certificate of competence (KHM)

X-ray certificate of competence

Prof. Dr. med. Thomas F. Lüscher, FRCP, FESC

Specialist in internal medicine and cardiology


Education and career


Qualified specialist in internal medicine (Swiss Medical Association) following training at University Hospital Zurich


Training in cardiology with a focus on echocardiography, Mayo Clinic, Rochester, Mn., USA


Senior Physician of Cardiology, University Hospital Basel and specialist in cardiology (Swiss Medical Association)


Head Physician and Head of the Department of Clinical Pharmacology, University Hospital Basel


Full Professor of Pharmacotherapy, University of Basel

1993Head Physician and Deputy Head of the Department of Cardiology, Inselspital Bern (University Hospital Bern) with interventional responsibilities
1995Full Professor of Cardiology, University of Bern
1996Head of the Cardiology Department, University Hospital Zurich and Professor of Cardiology and Cardiovascular Physiology
2004Head of the University Heart Center and Director of the Cardiology Department, University Hospital Zurich
2017Consultant and Director of Research, Education and Development, Heart Division, Royal Brompton & Harefield Hospital and Professor of Cardiology, National Heart and Lung Institute, Imperial College, London, UK
2020Private practice at Medizin im Schauspielhaus, Zurich

Other Activities 

2013-2016Editor, Module Innere Medizin (internal medicine modules), Springer Verlag, Heidelberg, Germany
2018Editor, CARDIX – Manual der Herzkreislaufmedizin (manual of cardiovascular medicine), Zurich Heart House, Zurich
2019Editor Herausgeber, ESC Textbook of Cardiovascular Medicine, Oxford University Press, Oxford, U.K.

Prof. Dr. med. Oliver Senn

FMH Specialist in Internal Medicine

Career and Education


Degree in Medicine in Neuchâtel (1991-92) and Bern (1992-97)


Surgical clinic, Kantonsspital Zug

1999-2000Medical clinic, Kantonsspital Obwalden
2000-2003Pneumology, University Hospital Zurich (USZ)
Molecular epidemiology and vaccination centre / travel advice, Institute of Social and Preventive Medicine, USZ
2005-2008Internal medicine, USZ
Inter-university postgraduate programme (Basel, Bern, Zurich universities) in Public Health with Master's qualification in 2006
Since 2009
University of Zurich Institute of Primary Care and Care Research; since 01/2010, Deputy Institute Director and Head of Research in the department
Venia Legendi University of Zurich Faculty of Medicine in the field of outpatient internal medicine / primary care / epidemiology
Since 08/2010MediS group practice

Other qualifications and posts 


Master in Public Health

Habilitation in the field of outpatient internal medicine / primary care / epidemiology

Dr. med. Helena Fischer

FMH Specialist in Internal Medicine

Career and Education


Degree in Medicine, University of Bern


Huttwil and Sumiswald district hospitals, canton of Bern

1980-1981Surgery, Triemli Hospital, Zurich
1982-1983Anaesthesia, University Hospital Zurich
1984-1985Department of Nephrology (kidney diseases), Waid Hospital, Zurich
1986-1990Medical clinic and polyclinic Kantonspital Winterthur
1993-1999Representation of primary care doctors in Zurich
2000-2005MZR PD Dr. med. Beat Morell, Internal Medicine and Endocrinology, Zurich
2005-2013Practice Dr. med. Elisabeth Bandi-Ott, General Medicine, Zurich
Since 09/2013    MediS group practice

Dr. med. Janosch Nowak

FMH Specialist Dermatology and Venereology

Career and Education


Degree in Medicine at the University of Pécs and the Heinrich-Heine-University Duesseldorf


University Hospital of Dermatology and Allergology at the Technical University of Munich


Artemed Hospital, Diagnosis and Therapy Centre of Veins and Skin, Munich


Dermatology practice, Dr. med. Claus Jung, Germering / Munich 


Dermatology and Venerology, Pallas Klinik Olten

Since 7/2016

Haut.Venen.Allergie. Zentrum Brunnehof, Uster

Since 3/2021

MediS – Medizin im Schauspielhaus, group practice


Vanessa Gruse

MPA, Instructor

Sanela Gojkovic


Nicole Weidmann

MPA, Instructor

Sinja Steinegger


Daniela Cannizzaro


Danja Gschwind


Our medical practice assistants (MPA) are an important part of the patient care that we provide. 

They are your first point of contact in the practice or on the phone. 


They each have a wealth of basic medical knowledge and extensive experience, and are available to assist you themselves or to arrange an appointment for you with one of our doctors.


Our MPAs support us throughout all stages of treatment in the laboratory and during medical examinations, making an important contribution to the success of the treatment. 


Our practice is a training company. The trainees are supervised and accompanied by competent vocational trainers on their way to completing their training.

We hope you will feel at home with us and rest assured that you are in good hands, whatever your reason for visiting.