John McCahan, MD

Addiction Medicine · Internal Medicine · Rheumatology

20+ years in practiceNPI: 1144319922Licensed in MT

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineRheumatology

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Rheumatology207RR0500X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Google Reviews

4.1 / 5.0

16 reviews

Years in Practice

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#4

Top Rheumatologists in Montana, 2026

Rheumatology · Montana · 2026

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Frequently Asked Questions about Dr. John McCahan, MD

Where does Dr. John McCahan, MD practice?+
Dr. John McCahan, MD practices in Montana, MT. 931 HIGHLAND BLVD STE 3260 BOZEMAN, MT 597156907.
What is Dr. John McCahan, MD's phone number?+
Dr. John McCahan, MD's practice phone is 406-414-5198. Office contact information is verified on the PBCMMG profile.
What does Dr. John McCahan, MD specialize in?+
Dr. John McCahan, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Rheumatology.
Is Dr. John McCahan, MD board certified?+
Board certification status for Dr. John McCahan, 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. John McCahan, MD been practicing?+
Dr. John McCahan, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. John McCahan, MD's NPI number?+
Dr. John McCahan, MD's National Provider Identifier (NPI) is 1144319922, 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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