Eresa Grupo Médico | Company

ERESA Grupo Médico group is a company dedicated to Imaging diagnosis, Radiation Oncology and Nuclear Medicine. With 30 years of experience-it was founded in Valencia in 1980- ERESA is nowadays a leading company in its sector and of great prestige in Europe. The main objective of ERESA, since its beginnings, was to incorporate the most modern techniques, seek their wide-spread use and thereby contribute to improving the medical assistance and quality that the patient receives.

By introducing High Field Scanners, Multi-Slice CT scans and Linear Accelerators with Modulated Intensity, ERESA has been a pioneer in Spain, and on many occasions, in Europe. This equipment has enabled the substitution of very aggressive techniques for others non-invasive, that obtain faster and more accurate diagnoses; that in many cases are decisive in the patient’s life. It has also been the first company in the sector to obtain the certifications for; ISO 9001 Quality Management Standard, ISO 14001 Environmental Management, and OHSAS 18001 Occupational Health and Safety Management, for all its activities and facilities. Recently, ERESA earned the European Seal of Excellence 400 +  for its  management system according to the criteria of the EFQM Excellence Model.

Its strong social commitment with healthcare ranks ERESA at the forefront of technological development and research, ensuring always the highest level in health services. ERESA has clear distinguishing marks: anticipation of social demand, quick execution of projects, outstanding investor drive, environment friendly, and the implementation of quality control systems. All of these characteristics have made ERESA a benchmark in imaging diagnosis. Nowadays, the firm commitment to constant research has resulted in a company capable of offering the most advanced technologies at the service of medical professionals and users.

We shorten waiting lists

Our mission is to improve patient healthcare by attempting to shorten, as much as possible, the waiting lists. Thus, improving the healthcare quality of our services.

Innovation and research

Innovation orientated to constant improvement of processes, services and research are part of our company mission.

Technological forefront

The continuous improvement of  diagnosis services through imaging and the incorporation of the latest European technology, places ERESA at the technological forefront of their field.


Our mission is to improve patient care, providing a service orientated towards their maximum satisfaction, compatible with optimisation in diagnostic-therapeutic care, radiation therapy and diagnostic-treatment in Nuclear Medicine.

One of ERESA group’s hallmarks is the motivation and quality of its team. Professionalism, team spirit and systematic attention to the advances occurring in the field of diagnostic imaging are qualities that are always present. The service delivery model of ERESA includes the following characteristics:

  • Elimination of waiting lists
  • Universal medical care
  • Immediate patient assistance
  • Acquisition of latest technologies
  • Constant updating of equipment

After the successive contracts obtained in public tenders, ERESA has internalised its services of imaging diagnosis, Radiation Oncology therapy and Nuclear Medicine throughout 11 hospitals in the Region of Valencia’s healthcare network.

ERESA has also internalised its services for MR and CT in hospitals located in Madrid and La Rioja (outside of the Region of Valencia).

Along with these facilities is the ERESA support centre, located at the headquarters in Valencia, dedicated to imaging diagnosis. This centre and through an advanced telecommunications network, is permanently connected with all the hospitals, allowing to send studies electronically. This allows to perform outpatient services in every hospital, eliminating waiting times for hospital patients, without decreasing the service quality or a loss of images in the patient’s medical records. ERESA has teleradiology Area with the necessary infrastructure and a team of specialized radiologists to remotely inform diagnostic scans with the highest standards of quality.

Our mission is to improve patient care, providing a service orientated towards their maximum satisfaction, compatible with optimisation in diagnostic-therapeutic care, radiation therapy and diagnostic-treatment in Nuclear Medicine. All in accordance with the following values:


  • Respect, participation and the integration the professionals and partners of the organization.
  • Care and cooperation in maintaining the workplace and the environment.
  • Maximum confidentiality and respect in the relationship between patient and physician.
  • Team work to achieve our objectives, communication and involvement of everyone, professional and personal development.
  • Innovation aimed at continuous improvement of processes and services.
  • Promotion of the dialogue and commitment of interest groups.
  • Development of a sustainable business, based on criteria of economic, social and environmental responsibility.

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