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Marcus M. Maassen, ear, nose & throat doctor (ENT) in Sarnen](https://assets.onedoc.ch/images/users/74df4e45d3d224ea1cca00d486f672c484a530f5bb1e88ebd89f2cc6b0b4ae59-small.jpg "Prof. Dr. med. Marcus M. Maassen, ear, nose & throat doctor (ENT) in Sarnen")](https://www.onedoc.ch/en/ear-nose-throat-doctor-ent/sarnen/pcujw/prof-dr-med-marcus-m-maassen) ### [Prof. Dr. med. Marcus M. Maassen](https://www.onedoc.ch/en/ear-nose-throat-doctor-ent/sarnen/pcujw/prof-dr-med-marcus-m-maassen) ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) [Ear, nose & throat doctor (ENT)](https://www.onedoc.ch/en/ear-nose-throat-doctor-ent/sarnen), [Aesthetic medicine specialist](https://www.onedoc.ch/en/aesthetic-medicine-specialist/sarnen) Kantonsspital Obwalden Brünigstrasse 181 6060 Sarnen ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg)Accepts new patients [Book an appointment](https://www.onedoc.ch/en/ear-nose-throat-doctor-ent/sarnen/pcujw/prof-dr-med-marcus-m-maassen) *chevron\_left* Mon 30 Mar *chevron\_right* View more appointments *error\_outline* An error occurred while loading time slots   [Retry](https://www.onedoc.ch) #### You are a healthcare professional and you do not appear in the search results? 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