About the Radiation Therapy
How to book
- Click Book Appointment call +1 406-262-6000 .
- Use provider online portal: nmhcare.org/providers-clinics/clinics/northern-montana-sletten-cancer-center.
Clinical team & doctors
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Frequently Asked Questions about Hi-Line Sletten Cancer Institute
Where is the Hi-Line Sletten Cancer Institute situated at?
Hi-Line Sletten Cancer Institute is situated at 40 13th St W, Havre, Montana, United States.
How can I book an appointment at Hi-Line Sletten Cancer Institute?
You can book an appointment by clicking the "Book Appointment" button on this page or by calling the hospital directly.
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Information last updated: June 30, 2026