A review of physiotherapy providers revealed that the cost of a single treatment session ranges between £25 and £85, while the number of sessions provided for a particular condition varies from one to 16.
Bupa is inviting private physiotherapy providers to take part in a national tender in a bid to reduce treatment and cost variation for patients.
Assistant medical director Dr Rebecca Small commented: "We want to work with physiotherapists and their representative bodies to address both the variation in the provision of physiotherapy and the cost for private patients so that together we can continue to deliver high-quality, evidence-based care and drive better value for our customers.
"We are also increasingly being asked by our customers for more information about the physiotherapists who treat them. Our new approach to physiotherapy will enable us to meet this growing need."
Physiotherapy can be used to treat a range of musculoskeletal conditions and may involve exercise, manual therapy, ultrasound and acupuncture.