We introduce ourselves

Learn more about our Lyme practice and the philosophy behind it.
We will also introduce you personally to our dedicated team and give you an insight into our practice rooms.

Practice & Philosophy

After the closure of the BCA Clinic on 01.04.2020, Ms Sigrid Blehle, the previous Deputy Medical Director, has set up her own practice “Alviasana” in Augsburg.



Years of


Our Team

Learn more about our employees. Our work is our passion. The success of our company is due to our great employees at all levels.

Elebra Schant
Medical Assistant

Ms. Demirtas is a medical assistant and has been strengthening our team since 2019. She takes care of our patients in the personalised intensive therapy (P.I.T.). Previously she was engaged in a University Hospital and at BCA Clinic.

Olga Buchalla

Ms Buchalla is a nurse and healing practitioner. She takes care of our patients in the personalised intensified therapy (P.I.T.). She has been working for many years with patients suffering from Lyme disease and co-infections. Prev Previously, she was employed at the BCA Clinic.

Susanne Bornkessel-Hiesl

Ms Hiesl is in charge of the accounting and all questions regarding these issues. If you have any questions about that, just give her a call. She was previously employed at the BCA Clinic.

Céline Thoma

Mrs. Thoma joined our team in April 2021. As a former BCA employee, she is familiar with Lyme disease and co-infections. With her language skills in French, Spanish and English, she assists our foreign patients.

Elena Ciobanu-Plesca
Maria Grazia Regia Corte
Practice Manager | Assistant to the CEO

Ms Regia Corte is the practice manager, dealing with administrative and organisational matters and quality management. She is the contact person for all organisational matters concerning personalised intensive therapy (P.I.T.). With her language skills in Italian, French and English, she assists our patients in all areas. She also supports Dr Blehle in organisational matters. She was previously employed at the BCA Clinic.

Dr. med. Terézia Heim

Dr. Terezia Heim is a paediatrician and treats mainly young patients and children who are suffering from tick-borne diseases. Since 2019 she has been a member of our team. Previously, she worked as a paediatrician in paediatric oncology at the University Hospital Pecs/Hungary for nine years. She was previously employed at the BCA Clinic.

M.D., M.B.A. Sigrid Blehle
Chief | Medical Director

Ms Blehle studied human medicine in Gießen (Germany) and received her licence to practise medicine in 1989. In 1995 she successfully completed her advanced training as a specialist in general medicine. Afterwards, Ms Blehle worked in various management positions as well as in consulting both within and outside the health care system in Germany. 2010-2011 she successfully completed the Health Economics, which she completed with the Health Economist (ebs) and with the M.B.A. Health Care Management. She has a wide range of medical knowledge, especially in rheumatology field and autoimmune diseases. Since 2017 she has been working exclusively on the field of tick-borne diseases, first as deputy medical director and as partner of Dr. Nicolaus in the BCA. Dr. Nicolaus left the patient care in April 2020 and Mrs. Blehle took over his part of the private practice of the BCA. Since then she continues the care of all patients in the private practice Alviasana. She is a member of the German Borreliosis Society and ILADS.

Impressions from the practice

It is important to us that you feel comfortable during your therapy at Alviasana. This includes not only comprehensive care, but also a pleasant environment. Get a first impression of our premisses here.