The whole team is happy to be there for you.

We look forward to welcoming you to our practice.


Dr. med. Marc-Alain Portmann

Marc-Alain Portmann, M.D.
Doctor of general internal medicine

Dr. med. Doris von Muralt

Doris von Muralt, M.D.
Doctor for general internal medicine

David Harder

Sabrina Tahery, D.
Doctor of general internal medicine

Alexander Wegenast
Assistant doctor

Medical practice assistants

Medizinische Praxisassistentin Andrea Hauser

Andrea Sauser
Medical practice assistant

Andrea Sauser is a carnival enthusiast from Basel, she loves to be with her friends.

Medizinische Praxisassistentin Yvonne Müller

Yvonne Müller
Medical practice assistant

Yvonne Müller likes people around her, she loves a cheerful and lively environment.

Medizinische Praxisassistentin Liselotte Freiburghaus

Liselotte Freiburghaus
Medical practice assistant

Liselotte Freiburghaus has been a member of the team for more than 20 years and knows the answer to almost every question that arises.

Vivien Bencivinni
Medical practice assistant

Vivien Bencivinni is our language talent, she speaks German, Italian, French and English very well.

Alesandra Puente
Medical practice assistant

Alesandra Puente’s home country is Colombia, so she speaks perfect Spanish. She loves shopping with her friends.

Tina Wahlen
Medical practice assistant

Tina Wahlen wants to obtain her professional baccalaureate and works two days a week in our practice in addition to school.

Praktikantin Medina Hasani

Medina Hasani
Medical practice assistant

Amélie Heiniger
Health professional

After her training in hospital, Amélie Heiniger decided to work in a medical practice. She has tackled the necessary further training with a lot of enthusiasm.

Blessi Sator
Medical practice assistant

Blessi Sator is motivated and curious. She greets patients with a big smile and is open to new ideas.

Medizinischer Praxisassistent in Ausbildung Ken Portmann

Ken Portmann
Medical practice assistant

Ken Portmann likes to work with people, which is why he has chosen to train in the medical field.

Katarina Peric
Medical practice assistant
(in training)

Valentina Anesi
Medical practice assistant
(in training)


Tanja Hetling, M.D.
Specialist in orthopedics and traumatology
FA Sports Medicine SGSM

Gérald Leist, M.D.
FMH specialist for surgery

Heidi Schaffer Wüst
Dipl. nutritionist FH