Gregory Tierney, MD

Orthopedic Surgery · Sports Medicine

20+ years in practiceNPI: 1679519870Licensed in MT

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Credentials & Recognition

Specialties

Orthopedic SurgerySports Medicine

NPI sub-specialties

Orthopaedic Surgery, Sports Medicine207XX0005X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#42

Top Sports Medicine Doctors in Montana, 2026

Sports Medicine · Montana · 2026

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Frequently Asked Questions about Dr. Gregory Tierney, MD

Where does Dr. Gregory Tierney, MD practice?+
Dr. Gregory Tierney, MD practices in Montana, MT. 1401 25TH ST S GREAT FALLS, MT 594055183.
What is Dr. Gregory Tierney, MD's phone number?+
Dr. Gregory Tierney, MD's practice phone is 406-731-8888. Office contact information is verified on the PBCMMG profile.
What does Dr. Gregory Tierney, MD specialize in?+
Dr. Gregory Tierney, MD's primary specialty is Orthopedic Surgery, with additional focus on Sports Medicine.
Is Dr. Gregory Tierney, MD board certified?+
Board certification status for Dr. Gregory Tierney, 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. Gregory Tierney, MD been practicing?+
Dr. Gregory Tierney, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Gregory Tierney, MD's NPI number?+
Dr. Gregory Tierney, MD's National Provider Identifier (NPI) is 1679519870, 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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