[Sign in](https://www.onedoc.ch/en/login) - [Search](https://www.onedoc.ch/en/) - [Sign in](https://www.onedoc.ch/en/login) * * * - [Cookies management](javascript:Didomi.preferences.show%28%29) - [Privacy center](https://privacy.onedoc.ch/en/) - [Help center](https://www.onedoc.ch) * * * - [I'm a healthcare professional](https://info.onedoc.ch/en/) - [About us](https://info.onedoc.ch/en/our-mission/) - [Health blog](https://myhealth.onedoc.ch/en/) - [Press](https://info.onedoc.ch/en/media/) - [Careers](https://career.onedoc.ch/en) - [DE](https://www.onedoc.ch/de/gefasschirurg/zurich/pcvgy/prof-dr-med-mario-lachat) - [FR](https://www.onedoc.ch/fr/chirurgien-vasculaire/zurich/pcvgy/prof-dr-med-mario-lachat) - [IT](https://www.onedoc.ch/it/chirurgo-vascolare/zurigo/pcvgy/prof-dr-med-mario-lachat) - [EN](https://www.onedoc.ch/en/vascular-surgeon/zurich/pcvgy/prof-dr-med-mario-lachat) [OneDoc](https://www.onedoc.ch/en/ "Back to home") - [Deutsch](https://www.onedoc.ch/de/gefasschirurg/zurich/pcvgy/prof-dr-med-mario-lachat) - [Français](https://www.onedoc.ch/fr/chirurgien-vasculaire/zurich/pcvgy/prof-dr-med-mario-lachat) - [Italiano](https://www.onedoc.ch/it/chirurgo-vascolare/zurigo/pcvgy/prof-dr-med-mario-lachat) - [English](https://www.onedoc.ch/en/vascular-surgeon/zurich/pcvgy/prof-dr-med-mario-lachat) - [Sign in](https://www.onedoc.ch/en/login) - [I am a practitioner](https://info.onedoc.ch/en/) - [*help\_outline*Help center](https://www.onedoc.ch) #### Help center close ![](https://www.onedoc.ch/assets/images/icons/frequent-questions.svg) ## Frequently asked questions My accountBook appointmentVideo consultationsMobile applicationMy appointments - [Impossible to create my OneDoc account](https://help.onedoc.ch/hc/en-us/articles/360013693398)  *open\_in\_new* - [Reset my password](https://help.onedoc.ch/hc/en-us/articles/360014570218)  *open\_in\_new* - [Reset my OneDoc account email address](https://help.onedoc.ch/hc/en-us/articles/4408179559313)  *open\_in\_new* - [Book an appointment with your doctor/therapist](https://help.onedoc.ch/hc/en-us/articles/360014570318)  *open\_in\_new* - [Book an appointment by specialty](https://help.onedoc.ch/hc/en-us/articles/360014570598)  *open\_in\_new* - [Book an appointment for someone else](https://help.onedoc.ch/hc/en-us/articles/360014571058)  *open\_in\_new* - [What is a OneDoc video consultation?](https://help.onedoc.ch/hc/en-us/articles/360014571238)  *open\_in\_new* - [How to book an appointment for a video consultation?](https://help.onedoc.ch/hc/en-us/articles/360015035437)  *open\_in\_new* - [Download the OneDoc app](https://help.onedoc.ch/hc/en-us/articles/5895463575697)  *open\_in\_new* - [Navigate the OneDoc app](https://help.onedoc.ch/hc/en-us/articles/5898227553297)  *open\_in\_new* - [OneDoc app presentation](https://help.onedoc.ch/hc/en-us/articles/5895800228241)  *open\_in\_new* - [Check if an appointment is confirmed](https://help.onedoc.ch/hc/en-us/articles/360014571098)  *open\_in\_new* - [Cancel an appointment booked online on OneDoc](https://help.onedoc.ch/hc/en-us/articles/360014571198)  *open\_in\_new* - [I didn't receive my appointment confirmation](https://help.onedoc.ch/hc/en-us/articles/360014571318)  *open\_in\_new* [See all our articles  *open\_in\_new*](https://help.onedoc.ch/hc/en-us/) ![Prof. Dr. med. Lachat, vascular surgeon in Zürich](https://assets.onedoc.ch/images/users/2df11bc194cdca9b2c1284fb88c6b840156cf5af6864ca8490bd08b15f0a3629-small.jpg "Prof. Dr. med. Lachat, vascular surgeon in Zürich") *photo\_camera* # Prof. Dr. med. Mario Lachat ![Badge announcing a verified profile](https://www.onedoc.ch/assets/images/icons/checkmark.svg) ## Vascular surgeon Summary Map Presentation ![Patient with a plus sign icon announcing that the healthcare professional accepts new patients](https://www.onedoc.ch/assets/images/icons/new-patients.svg) ### Accepted patients Prof. Dr. med. Mario Lachat accepts new patients ![Briefcase icon announcing the specialties of the healthcare professional](https://www.onedoc.ch/assets/images/icons/specialties.svg) ### Specialties Vascular surgery ![Marker announcing the map and access information of the medical practice](https://www.onedoc.ch/assets/images/icons/map.svg) ### Map and access information #### [Aorten-und Gefässzentrum](https://www.onedoc.ch/en/group-practice/zurich/ebb5f/aorten-und-gefasszentrum) Witellikerstrasse 40 8032 Zürich #### Opening hours Currently closed - Opens at 08:00 *expand\_more* Monday: 08:00 - 12:00 and 13:00 - 17:00 Tuesday: 08:00 - 12:00 and 13:00 - 17:00 Wednesday: 08:00 - 12:00 and 13:00 - 17:00 Thursday: 08:00 - 12:00 and 13:00 - 17:00 Friday: 08:00 - 12:00 and 13:00 - 17:00 Saturday: Closed Sunday: Closed ![Document icon announcing the presentation of the medical practice](https://www.onedoc.ch/assets/images/icons/presentation.svg) ### Presentation of the healthcare professional __Prof. Dr. Mario Lachat__ Aortic and Vascular Specialist Zurich Prof. Dr. Mario Lachat is a cardiac and vascular surgeon specializing in (especially complex) aortic surgery, where he has made significant technical contributions to simplifying and enhancing the safety of open surgery. He is considered a Swiss and international pioneer in endovascular aortic surgery and is the inventor and co-developer of numerous endovascular prostheses. He also has one of the world’s most extensive experiences in minimally invasive endovascular treatment of the aortic arch. __Career__ Prof. Dr. Mario Lachat was born in Lausanne and completed his medical studies at the University of Lausanne. He pursued his surgical career mainly at the University Hospital Zurich, where he trained as a general surgeon, then as a cardiac surgeon, and finally as a vascular surgeon. He has also spent time training and working at numerous international institutions (USA, Canada, Asia, Europe). For 14 years, he served as Deputy Director of the Clinic for Cardiac and Vascular Surgery and Head of Vascular Surgery at the University Hospital Zurich. He led academic vascular surgery there for 18 years. [*arrow\_drop\_down*View more](https://www.onedoc.ch) [![Prof. Dr. med. Lachat, vascular surgeon in Zürich](https://assets.onedoc.ch/images/users/2df11bc194cdca9b2c1284fb88c6b840156cf5af6864ca8490bd08b15f0a3629-small.jpg "Prof. Dr. med. Lachat, vascular surgeon in Zürich")](https://assets.onedoc.ch/images/users/2df11bc194cdca9b2c1284fb88c6b840156cf5af6864ca8490bd08b15f0a3629.jpg) * * * #### Spoken languages German #### Networks ![Prof. Dr. med. Mario Lachat is affiliated with Hirslanden](https://assets.onedoc.ch/images/networks/logos/7a9c24ef8e66c111282a51999a6cedf6d489b2b7daf5ce11d914499004b82a1b-small.png) ![Comic bubble icon announcing the FAQ section](https://www.onedoc.ch/assets/images/icons/faq.svg) ### FAQ *expand\_more* *keyboard\_arrow\_right* ## What is the address of Prof. Dr. med. Mario Lachat? Prof. Dr. med. Mario Lachat receives patients at Witellikerstrasse 40, 8032 Zürich. * * * *keyboard\_arrow\_right* ## What languages does Prof. Dr. med. Mario Lachat speak? Prof. Dr. med. Mario Lachat offers consultations in German. * * * *keyboard\_arrow\_right* ## What are Prof. Dr. med. Mario Lachat's consulting hours? The consultation hours of Prof. Dr. med. Mario Lachat are: - #### [Aorten-und Gefässzentrum](https://www.onedoc.ch/en/group-practice/zurich/ebb5f/aorten-und-gefasszentrum) : Witellikerstrasse 40, 8032 Zürich - On Monday from 08:00 to 12:00 and from 13:00 to 17:00 - On Tuesday from 08:00 to 12:00 and from 13:00 to 17:00 - On Wednesday from 08:00 to 12:00 and from 13:00 to 17:00 - On Thursday from 08:00 to 12:00 and from 13:00 to 17:00 - On Friday from 08:00 to 12:00 and from 13:00 to 17:00 - On Saturday closed - On Sunday closed * * * *keyboard\_arrow\_right* ## What is Prof. Dr. med. Mario Lachat's phone number? The phone number of Prof. Dr. med. Mario Lachat is [044 387 29 29](tel:+41443872929). * * * *keyboard\_arrow\_right* ## Does Prof. Dr. med. Mario Lachat accept new patients? Yes, Prof. Dr. med. Mario Lachat accepts new patients. New patients can easily book appointments online via OneDoc. * * * *keyboard\_arrow\_right* ## What are Prof. Dr. med. Mario Lachat's specialties? Prof. Dr. med. Mario Lachat performs [vascular surgery](https://www.onedoc.ch/en/vascular-surgeon/zurich) in Zürich. * * * *keyboard\_arrow\_right* ## What are the types of consultation offered by Prof. Dr. med. Mario Lachat? Prof. Dr. med. Mario Lachat consults for the following reasons: Vascular surgery: - Second opinion - Progress monitoring 1. [OneDoc](https://www.onedoc.ch/en/)/ 2. [Vascular surgeon](https://www.onedoc.ch/en/vascular-surgeon)/ 3. [Canton of Zurich](https://www.onedoc.ch/en/vascular-surgeon/canton-of-zurich)/ 4. [Zürich](https://www.onedoc.ch/en/vascular-surgeon/zurich)/ 5. Prof. Dr. med. Mario Lachat ### Book your appointment with Prof. Dr. med. Mario Lachat Fill in the below information 1 New patient? I'm a new patient I'm an established patient of Prof. Dr. med. Lachat * * * *touch\_app* Pick a time slot *chevron\_left* Thu 26 Mar *chevron\_right* View more appointments Time slot Book appointment ### Download the OneDoc app Book an appointment online with a doctor, dentist, or therapist near you in Switzerland. The OneDoc app lets you manage all your medical appointments from your smartphone, anytime and anywhere. ![QR code that redirects users to the Apple Store or Google Play Store to download the OneDoc patient mobile app](https://www.onedoc.ch/assets/images/download-app-qr.jpeg) Scan the QR code to download the app [![Download our app on the App Store!](https://www.onedoc.ch/assets/images/app-store-badge-en.svg)](https://apps.apple.com/ch/app/onedoc/id1592376413?l=fr)[![Download our app on the Google Play Store!](https://www.onedoc.ch/assets/images/google-play-badge-en.png)](https://play.google.com/store/apps/details?id=ch.onedoc.patient&hl=fr-CH) *keyboard\_arrow\_right* ## Related specialties [Vascular surgeon in Zürich](https://www.onedoc.ch/en/vascular-surgeon/zurich) *keyboard\_arrow\_right* ## Popular searches [OB-GYN (obstetrician-gynecologist) in Zürich](https://www.onedoc.ch/en/ob-gyn-obstetrician-gynecologist/zurich)[Specialist in general internal medicine in Zürich](https://www.onedoc.ch/en/specialist-in-general-internal-medicine/zurich)[Classic massage therapist in Zürich](https://www.onedoc.ch/en/classic-massage-therapist/zurich)[General practitioner (GP) in Zürich](https://www.onedoc.ch/en/general-practitioner-gp/zurich)[Ophthalmologist in Zürich](https://www.onedoc.ch/en/ophthalmologist/zurich)[Physiotherapist in Zürich](https://www.onedoc.ch/en/physiotherapist/zurich)[Dermatologist in Zürich](https://www.onedoc.ch/en/dermatologist/zurich)[Vaccination center in Zürich](https://www.onedoc.ch/en/vaccination-center/zurich)[Aesthetic medicine specialist in Zürich](https://www.onedoc.ch/en/aesthetic-medicine-specialist/zurich)[Reflexology therapist in Zürich](https://www.onedoc.ch/en/reflexology-therapist/zurich)[Physiotherapist in Winterthur](https://www.onedoc.ch/en/physiotherapist/winterthur)[Medical massage therapist in Zürich](https://www.onedoc.ch/en/medical-massage-therapist/zurich)[Neurologist (incl. headache specialists) in Zürich](https://www.onedoc.ch/en/neurologist-incl-headache-specialists/zurich)[Osteopath in Zürich](https://www.onedoc.ch/en/osteopath/zurich)[Pharmacy health services in Zürich](https://www.onedoc.ch/en/pharmacy-health-services/zurich)[General practitioner (GP) in Winterthur](https://www.onedoc.ch/en/general-practitioner-gp/winterthur)[Plastic & reconstructive surgeon in Zürich](https://www.onedoc.ch/en/plastic-reconstructive-surgeon/zurich)[MCO/TEN naturopath in Zürich](https://www.onedoc.ch/en/mco-ten-naturopath/zurich)[OB-GYN (obstetrician-gynecologist) in Aarau](https://www.onedoc.ch/en/ob-gyn-obstetrician-gynecologist/aarau)[Dentist in Zürich](https://www.onedoc.ch/en/dentist/zurich)[Cardiologist in Zürich](https://www.onedoc.ch/en/cardiologist/zurich) *keyboard\_arrow\_right* ## Find practitioners [Practitioners directory](https://www.onedoc.ch/en/directory) [A](https://www.onedoc.ch/en/directory/A) [B](https://www.onedoc.ch/en/directory/B) [C](https://www.onedoc.ch/en/directory/C) [D](https://www.onedoc.ch/en/directory/D) [E](https://www.onedoc.ch/en/directory/E) [F](https://www.onedoc.ch/en/directory/F) [G](https://www.onedoc.ch/en/directory/G) [H](https://www.onedoc.ch/en/directory/H) [I](https://www.onedoc.ch/en/directory/I) [J](https://www.onedoc.ch/en/directory/J) [K](https://www.onedoc.ch/en/directory/K) [L](https://www.onedoc.ch/en/directory/L) [M](https://www.onedoc.ch/en/directory/M) [N](https://www.onedoc.ch/en/directory/N) [O](https://www.onedoc.ch/en/directory/O) [P](https://www.onedoc.ch/en/directory/P) [Q](https://www.onedoc.ch/en/directory/Q) [R](https://www.onedoc.ch/en/directory/R) [S](https://www.onedoc.ch/en/directory/S) [T](https://www.onedoc.ch/en/directory/T) [U](https://www.onedoc.ch/en/directory/U) [V](https://www.onedoc.ch/en/directory/V) [W](https://www.onedoc.ch/en/directory/W) [X](https://www.onedoc.ch/en/directory/X) [Y](https://www.onedoc.ch/en/directory/Y) [Z](https://www.onedoc.ch/en/directory/Z) ## OneDoc [I'm a healthcare professional](https://info.onedoc.ch/en/) [About us](https://info.onedoc.ch/en/our-mission/) [Press](https://info.onedoc.ch/en/media/) [Careers](https://career.onedoc.ch/en) [Health blog](https://myhealth.onedoc.ch/en/) [Privacy center](https://privacy.onedoc.ch/en/) [Cookies management](javascript:Didomi.preferences.show%28%29) [Help center](https://help.onedoc.ch/hc/en-us/) ## Languages [Deutsch](https://www.onedoc.ch/de/gefasschirurg/zurich/pcvgy/prof-dr-med-mario-lachat) [Français](https://www.onedoc.ch/fr/chirurgien-vasculaire/zurich/pcvgy/prof-dr-med-mario-lachat) [Italiano](https://www.onedoc.ch/it/chirurgo-vascolare/zurigo/pcvgy/prof-dr-med-mario-lachat) [English](https://www.onedoc.ch/en/vascular-surgeon/zurich/pcvgy/prof-dr-med-mario-lachat) ## Related specialties [Vascular surgeon in Zürich](https://www.onedoc.ch/en/vascular-surgeon/zurich) ## Popular searches [OB-GYN (obstetrician-gynecologist) in Zürich](https://www.onedoc.ch/en/ob-gyn-obstetrician-gynecologist/zurich) [Specialist in general internal medicine in Zürich](https://www.onedoc.ch/en/specialist-in-general-internal-medicine/zurich) [Classic massage therapist in Zürich](https://www.onedoc.ch/en/classic-massage-therapist/zurich) [General practitioner (GP) in Zürich](https://www.onedoc.ch/en/general-practitioner-gp/zurich) [Ophthalmologist in Zürich](https://www.onedoc.ch/en/ophthalmologist/zurich) [Physiotherapy in Zürich](https://www.onedoc.ch/en/physiotherapist/zurich) [Dermatologist in Zürich](https://www.onedoc.ch/en/dermatologist/zurich) [Vaccination center in Zürich](https://www.onedoc.ch/en/vaccination-center/zurich) [Aesthetic medicine specialist in Zürich](https://www.onedoc.ch/en/aesthetic-medicine-specialist/zurich) [Reflexology therapist in Zürich](https://www.onedoc.ch/en/reflexology-therapist/zurich) [Physiotherapy in Winterthur](https://www.onedoc.ch/en/physiotherapist/winterthur) [Medical massage therapist in Zürich](https://www.onedoc.ch/en/medical-massage-therapist/zurich) [Neurologist (incl. headache specialists) in Zürich](https://www.onedoc.ch/en/neurologist-incl-headache-specialists/zurich) [Osteopath in Zürich](https://www.onedoc.ch/en/osteopath/zurich) [Pharmacy health services in Zürich](https://www.onedoc.ch/en/pharmacy-health-services/zurich) [General practitioner (GP) in Winterthur](https://www.onedoc.ch/en/general-practitioner-gp/winterthur) [Plastic & reconstructive surgeon in Zürich](https://www.onedoc.ch/en/plastic-reconstructive-surgeon/zurich) [MCO/TEN naturopath in Zürich](https://www.onedoc.ch/en/mco-ten-naturopath/zurich) [OB-GYN (obstetrician-gynecologist) in Aarau](https://www.onedoc.ch/en/ob-gyn-obstetrician-gynecologist/aarau) [Dentist in Zürich](https://www.onedoc.ch/en/dentist/zurich) [Cardiologist in Zürich](https://www.onedoc.ch/en/cardiologist/zurich) [![Facebook icon](https://www.onedoc.ch/assets/images/icons/facebook.svg)](https://facebook.com/onedoc.ch/)[![LinkedIn icon](https://www.onedoc.ch/assets/images/icons/linkedin.svg)](https://linkedin.com/company/onedoc.ch/)[![Instagram icon](https://www.onedoc.ch/assets/images/icons/instagram.svg)](https://www.instagram.com/onedoc.ch/)[![X icon](https://www.onedoc.ch/assets/images/icons/x.svg)](https://twitter.com/OneDoc_ch)[![YouTube icon](https://www.onedoc.ch/assets/images/icons/youtube.svg)](https://www.youtube.com/channel/UCWnlE63em_m8ZioBA5n8Z6w) Find practitioners [Practitioners directory](https://www.onedoc.ch/en/directory)[A](https://www.onedoc.ch/en/directory/a)[B](https://www.onedoc.ch/en/directory/b)[C](https://www.onedoc.ch/en/directory/c)[D](https://www.onedoc.ch/en/directory/d)[E](https://www.onedoc.ch/en/directory/e)[F](https://www.onedoc.ch/en/directory/f)[G](https://www.onedoc.ch/en/directory/g)[H](https://www.onedoc.ch/en/directory/h)[I](https://www.onedoc.ch/en/directory/i)[J](https://www.onedoc.ch/en/directory/j)[K](https://www.onedoc.ch/en/directory/k)[L](https://www.onedoc.ch/en/directory/l)[M](https://www.onedoc.ch/en/directory/m)[N](https://www.onedoc.ch/en/directory/n)[O](https://www.onedoc.ch/en/directory/o)[P](https://www.onedoc.ch/en/directory/p)[Q](https://www.onedoc.ch/en/directory/q)[R](https://www.onedoc.ch/en/directory/r)[S](https://www.onedoc.ch/en/directory/s)[T](https://www.onedoc.ch/en/directory/t)[U](https://www.onedoc.ch/en/directory/u)[V](https://www.onedoc.ch/en/directory/v)[W](https://www.onedoc.ch/en/directory/w)[X](https://www.onedoc.ch/en/directory/x)[Y](https://www.onedoc.ch/en/directory/y)[Z](https://www.onedoc.ch/en/directory/z) [![OneDoc is a Swiss made software certified company](https://www.onedoc.ch/assets/images/swiss-made-software-white.png "OneDoc is a Swiss made software certified company")](https://www.swissmadesoftware.org) ![OneDoc is ISO 27001 certified](https://www.onedoc.ch/assets/images/certifications/27001-en.png "OneDoc is ISO 27001 certified")![OneDoc is DPCO certified](https://www.onedoc.ch/assets/images/certifications/vdsz-en.png "OneDoc is DPCO certified") Copyright © 2026 OneDoc SA