Dr. Alain KellerSpecialist in general internal medicine
Schänzlistrasse 39, 3013 Bern
Dr. Armin KellerSpecialist in general internal medicine
Seefeldstrasse 128, 8008 Zürich
Dr. Cornelia KellerEndocrinologist (incl. diabetes specialists)
Brauerstrasse 15, 8400 Winterthur
Dr. Klaus KellerSpecialist in general internal medicine
Sankt Gallerstrasse 77, 9200 Gossau
Dr. Manuela KellerSpecialist in general internal medicine
Affolternstrasse 15, 3462 Weier im Emmental