Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Roy N Kohler, MD

Individual provider Internal Medicine Physician · NPI 1215933676

Dr. Roy N Kohler, MD is a Sleep Medicine in Billings, Montana. Qualified in 1987, 39 years ago. Practices with Scl Health Medical Group - Billings LLC, a 292-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
39
Licensed in
MT
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2900 12th Ave N Ste 500E
Billings, MT 59101
Phone: (406) 238-6800
Fax: (406) 238-6814
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 6240 Ridge Stone Dr. S, Billings, MT 59106 — (406) 839-9906
  • 900 N Orange St Ste 106, Missoula, MT 59802-2951 — (406) 327-3100
  • 902 N Orange St # 2, Missoula, MT 59802-2928 — (406) 329-5650

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 8471 (MT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 8471 (MT)

Record details

NPI number1215933676
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2005
Last updated in NPPESMay 18, 2021
Certification dateMay 18, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtySLEEP MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Scl Health Medical Group - Billings Llc — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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