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The endocrinologist-diabetologist is a specialist in the hormonal and glandular systems. He/she manages patients who suffer from problems like diabetes (dysfunctions of the pancreas), thyroid, pituitary and adrenal gland disorders.

The Team
Dr Bettina Köhler Ballan
Diabetologist - Endocrinologists FMH
Languages : FRA, ENG, DEU
Dr Comasia RAGUSO
Diabetologist-endocrinologist FMH
Languages : FRA, ENG, ITA

Other Services

Services for professionals

Radiological request (Servette / Versoix)

Prescription of care

Make an appointment online.

Urgent appointment of general medicine

Charmilles Medical Center

Gland Medical Center

Grand-Saconnex Medical Center

Renens Medical Center

Rue de Lausanne Medical Center

Servette Medical Center

Vevey Medical Centre


In case of a life emergency
call 144

Emergencies Geneva

Emergencies Vaud


The Magellan centers rigorously apply the recommended health measures in order to allow you access to health care in complete safety.

Questions about testing, quarantine or isolation?
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Wearing a mask in our centers is compulsory for all.

Follow-up consultations by phone or videoconference are to be preferred. Ask your center for more information.