We are two FMH-certified obstetrician gynaecologists who met more than a decade ago and who worked in close collaboration in the hospital environment for many years. Having opened our respective practices in 2012 and 2015, we decided to combine our complementary interests and create a partnership within a joint practice, the Cabinet de gynécologie du Cossy, located in the residential neighbourhood of Précossy in Nyon.


The newly furnished premises house three large and bright consultation rooms as well as a treatment room. The practice is suitable for people with disabilities in terms of space and reception and is lift-accessible. In addition, the waiting room is equipped with a secure play corner, specially dedicated to accompanying children.

The practice caters to all types of gynaecological and obstetrical needs and to patients of all ages. We are also both obgyn consultants in Nyon Hospital (GHOL). As a consequence, we remain closely involved in the inpatient care of our patients.


We favour a patient-centred approach and remain particularly attentive to their concerns and questions regarding their gynaecological, obstetrical and psychosomatic needs.


To complete our care offer, we welcome Ms. Silvia Dias, an independent physiotherapist with a urogynaecology specialization and founder of the physiotherapy practice Physiocossy. This collaboration will allow us to promote the rapid initiation of perineal rehabilitation and the treatment of musculoskeletal and ligamental disorders of gynaecological and obstetrical origin.

Gynaecological check-ups, obstetrical check-ups, ultrasounds, contraception, infertility issues, adolescent gynaecology, deliveries, gynaecological surgery, all orientations welcome.

Please note that appointments can only be made by telephone and that
missed and unexcused appointments will be charged.

Dr Cissé’s office:
Dr Kempf’s office:

Monday, Tuesday and Thursday: 
9h00-12h00 and 13h30-16h00
Wednesday: 9h00-12h00
Friday: closed


T : 022  361 11 87
Email: cabinet.cisse@hin.ch

Monday to Friday except Wednesday:
8h30-12h00 and 13h00-16h30 


T : 022  361 11 93
Email : secretariat.kempf@svmed-hin.ch