The practice was founded in 1975 by MR Dr. Anna Hahn and in 1981 the practice was handed over to her son Dr. Michael Hahn. 1993 saw the beginning of the cooperation with Univ. Lect. Dr. Paul Hajek. In 2006 the Hahn, Grass & Partner Group Practice was founded.

Since 2008, the practice has been located in the premises of the new City Hall in Wiener Neustadt. In order to make your stay in our group practice as pleasant as possible, all areas are barrier-free and there is also a WC suitable for disabled people.

You’ll find parking spaces in the Hauptplatz Garage at Ungargasse 18a or directly at Neuklosterplatz 1 in front of the entrance to the new City Hall.