Roy Kohler, MD

Addiction Medicine · Internal Medicine · Sleep Medicine

21+ years in practiceNPI: 1215933676Licensed in MT

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineSleep Medicine

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Sleep Medicine207RS0012X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

21+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#11

Top Sleep Medicine Doctors in Montana, 2026

Sleep Medicine · Montana · 2026

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Frequently Asked Questions about Dr. Roy Kohler, MD

Where does Dr. Roy Kohler, MD practice?+
Dr. Roy Kohler, MD practices in Montana, MT. 2900 12TH AVE N STE 500E BILLINGS, MT 59101.
What is Dr. Roy Kohler, MD's phone number?+
Dr. Roy Kohler, MD's practice phone is 406-238-6800. Office contact information is verified on the PBCMMG profile.
What does Dr. Roy Kohler, MD specialize in?+
Dr. Roy Kohler, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Sleep Medicine.
Is Dr. Roy Kohler, MD board certified?+
Board certification status for Dr. Roy Kohler, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Roy Kohler, MD been practicing?+
Dr. Roy Kohler, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Roy Kohler, MD's NPI number?+
Dr. Roy Kohler, MD's National Provider Identifier (NPI) is 1215933676, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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