As a regional hospital center, Spital Simmental-Thun-Saanenland (STS) AG provides medical care for a steady resident population of over 150,000 people and tourists in the region at the Thun and Zweisimmen hospitals. Over 2,100 employees ensure the well-being of patients around the clock. Around 16,500 inpatients are treated each year and around 220,000 outpatient visits are recorded.
At the Thun Medical Center at Thun railroad station, patients with physical, non-life-threatening complaints, injuries or accidents for which a consultation is necessary, but which does not have to take place directly at the Thun Hospital Emergency Centre, receive quick and uncomplicated medical care without having to make an appointment in advance.
In addition to acute medical and nursing care, Spital STS AG provides ambulance and rescue services as well as outpatient and day-care psychiatric care in its service area. In addition, it manages various long-term care and retirement home facilities (Alterswohnen STS AG), is committed to professional integration (BFK Thun), holds stakes in Radio-Onkologie Berner Oberland AG, easyCab AG in the field of disabled, wheelchair and patient transportation in the Bern region and extended surroundings, and Medbase Berner Oberland AG in the field of outpatient primary care.

Medical services offered:

- General internal medicine
- Anesthesiology
- Angiology and wound consultation
- Surgery (visceral surgery, vascular surgery, thoracic surgery)
- Endocrinology and diabetology
- Gastroenterology
- Gynecology & Obstetrics
- Ear, nose and throat (ENT)
- Infectiology
- Interdisciplinary Emergency Center
- Cardiology
- Laboratory
- Nephrology/Dialysis
- Neurology
- Oncology & Hematology
- Surgery department / CSSD
- Orthopaedics, traumatology and sports medicine
- Pneumology
- Psychiatric services
- Radiology
- Hospital pharmacy
- Urology

Therapies and consultations:

- Blood Donation Center Thun
- Occupational Therapy Center Swiss Red Cross
- Nutritional Counseling
- Diabetes Counseling
- Speech Therapy Thun Finsterwalder
- Osteopathy Thun
- Physiotherapy
- Hospital Pastoral Care
- Center for Contraception, Sexuality and Family Planning

Interdisciplinary competence centers:

- Obesity (ADiMet)
- Pelvic Floor Centre
- Breast Centre
- Colorectal Cancer Centre
- Specialist Centre for Specialized Palliative Care
- Vascular Center
- Interdisciplinary Intensive Care Unit
- Competence Center for Age-Related Fractures and Osteoporosis
- Competence Center for Sports Medicine Bernese Oberland