M. Nießen

Michael Nießen is a radiation therapy specialist at the clinic’s MVZ Gamma Knife Center Krefeld, where he has worked since 2024. He joined the clinic team as a physician colleague effective 01.01.2024. Before coming to Krefeld, he gained experience in neurology as an assistant doctor at Uniklinikum Bonn, and then completed radiation therapy specialist training at University Hospital Essen and in an MVZ for radiation therapy in Leverkusen. His radiation oncology career also includes work at the West German Proton Center at University Hospital Essen (from 1.7.2022) and radiation therapy practice at MVZ radiation therapy Med360° Leverkusen in 2022. To strengthen his Gamma Knife competence, he attended the Leksell Gamma Knife Clinical Introduction course in Prague from 25 to 28 March 2024 at Nemocnice Na Homolce Hospital. The course was led by Dr. Roman Liscak (neurosurgeon) and Dr. Josef Novotny (medical physics expert) and covered precise application of Gamma Knife technology.

Education

Not specified in the provided evidence.

Work experience

• Since 2024 — Specialist in Radiation Therapy at the MVZ Gamma Knife Center Krefeld.
• 2022–2023 — Specialist in Radiation Therapy at the West German Proton Center, University Hospital Essen.
• 2022 — Specialist in Radiation Therapy at MVZ radiation therapy Med360° Leverkusen.
• Since 01.01.2024 — physician colleague at Gamma Knife Zentrum Krefeld.

Clinical focus and techniques

Nießen’s work is aligned with Gamma Knife radiosurgery and radiation therapy planning.

• Gamma Knife radiosurgery (training context from the Leksell Gamma Knife Clinical Introduction course).

Professional societies and certifications

Not specified in the provided evidence.

Academic output

Not specified in the provided evidence.

Courses and advanced training

• Leksell Gamma Knife Clinical Introduction — 25–28 March 2024, Nemocnice Na Homolce Hospital, Prague; led by Dr. Roman Liscak and Dr. Josef Novotny.

Awards and recognition

Not specified in the provided evidence.

In the clinic’s model, radiation therapy specialists support coordinated treatment pathways for patients receiving Gamma Knife radiosurgery. For international patients, this helps ensure that planning and delivery are handled within the same German center team.