About Dr. Roy Kohler
Dr. Roy Kohler is a sleep medicine physician at Intermountain Health St. Vincent Regional Hospital in Billings, MT, and is also listed at 3 other locations.
In Medicare's directory, Dr. Kohler is also listed under internal medicine.
Dr. Kohler completed medical school in 1987.
According to Medicare, Dr. Kohler accepts Medicare assignment.
Where Dr. Kohler practices
1233 N. 30th Street, Billings, MT 59101
(406) 238-6800
Clinic rated 4.1 from 534 Google reviews
900 N. Orange Street Suite 106, Missoula, MT 59802
(406) 327-3100
Clinic rated 2.5 from 10 Google reviews
902 N. Orange Street, Level 2, Missoula, MT 59802
(406) 327-3100
Clinic rated 2.5 from 10 Google reviews
Other sleep physicians at these clinics
Questions about Dr. Roy Kohler
Where does Dr. Roy Kohler practice?
Dr. Roy Kohler is listed at Intermountain Health St. Vincent Regional Hospital (Billings, MT), Providence Medical Group Pulmonary and Sleep Medicine (Missoula, MT), Providence St. Patrick Hospital Sleep Center (Missoula, MT), and Hi-Line Sleep Disorders Center (Havre, MT). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Roy Kohler?
Call Intermountain Health St. Vincent Regional Hospital at (406) 238-6800 and ask for Dr. Kohler. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Roy Kohler specialize in?
Dr. Roy Kohler specializes in sleep medicine, with internal medicine also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Roy Kohler accept Medicare?
Medicare's clinician directory lists Dr. Kohler as accepting Medicare assignment, which means agreeing to the Medicare-approved amount as full payment for covered services. Confirm with the clinic before your visit.
From the NPI registry (data through November 2, 2026) and Medicare's Doctors and Clinicians directory (released November 12, 2026). These are records physicians and clinics keep with the government, and they can lag behind changes. They do not show board certification. Are you Dr. Roy Kohler, or is something here out of date? Let us know. Find a sleep doctor near you.