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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CORTNEY DUFFY
NPI 1255933719
Counselor - Mental Health in Bozeman, MT

Active since November 10, 2020
1001 W OAK ST, BOZEMAN, MT 59715(406) 599-2492 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 18, 2026, Nov 10, 2020 (2 updates tracked since 2020).

About Cortney Duffy NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORTNEY DUFFY (NPI 1255933719) is an individual mental health provider in Bozeman, Montana, licensed in Montana (89678) and active in the NPI registry since November 2020. She maintains 4 additional practice locations.

NPPES Registry Identity

NPI1255933719
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameCORTNEY DUFFY
Location Address1001 W OAK STBozeman, MT 59715-8762
Mailing Address1001 W Oak StBozeman, MT 59715-8762 · (406) 599-2492
Phone(406) 599-2492
Sole ProprietorYes
Enumeration DateNovember 10, 2020
Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1255933719 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MT · 89678
1001 W OAK ST, Bozeman, MT 59715
Open in Google Maps ↗

Secondary Practice Locations 4

Location 1108 Doctors ParkSaint Cloud, MN 56303-1207 · Phone (320) 774-3915
Location 2109 Doctors ParkSaint Cloud, MN 56303-1207 · Phone (320) 774-1908
Location 3205 14th Ave ESartell, MN 56377-4500 · Phone (320) 774-3436
Location 42000 Fairway Dr Ste 106Bozeman, MT 59715-5871 · Phone (406) 599-2492

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

APR MEDICAL LLC
Chiropractor
1001 W OAK ST, BLDG C STE 210
BOZEMAN, MT 59715
Gallatin County (406) 587-8446
JOSHUA WALLACE LMT
Massage Therapist
1001 W OAK ST, BLDG. C STE. 210
BOZEMAN, MT 59715
Gallatin County (406) 587-8446

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cortney Duffy's NPI number?

The NPI number for Cortney Duffy is 1255933719. It was assigned to this individual provider in the NPPES registry on November 10, 2020.

Where is Cortney Duffy located?

Cortney Duffy practices at 1001 W Oak St, Bozeman, MT 59715. The listed phone number is (406) 599-2492.

What is Cortney Duffy's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Cortney Duffy was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.