Contact/ Hours of Consultation:

Dr. Thissen GmbH 



Dr. Thissen und Dr. Mertens


Geilenkirchener Straße 77-79
52134 Herzogenrath

Phone +49 2406 989 4884


Opening Hours:

Monday to Friday 08.00 a.m. to 6.30 p.m.


Consultation by Appointment:

In order to enable us to schedule sufficient time for you and your pet, you are kindly requested to make an appointment for each examination during opening hours.
Just give us a call on: +49 2406 989 4884


Animal Feed/ Medication orders:

You can also place orders for animal feed or medicines by telephone or alternatively, send us an email.



* Pflichtfelder