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DR KELSEY L GILLEON PSYCHOLOGICAL SERVICES PLLC
NPI 1154182491
Psychologist - Clinical in Missoula, MT

Active since January 23, 2024
111 N HIGGINS AVE STE 204S, MISSOULA, MT 59802(406) 868-8315 Get Directions Write a Review

NPPES record last updated: May 20, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: May 20, 2025, Aug 14, 2024 (2 updates tracked since 2024).

About Dr Kelsey L Gilleon Psychological Services Pllc NPPES

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

DR KELSEY L GILLEON PSYCHOLOGICAL SERVICES PLLC (NPI 1154182491) is a healthcare organization registered as a clinical in Missoula, Montana and active in the NPI registry since January 2024. The organization lists Kelsey Gilleon, Owner, as its authorized official.

NPPES Registry Identity

NPI1154182491
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameDR KELSEY L GILLEON PSYCHOLOGICAL SERVICES PLLC
Location Address111 N HIGGINS AVE STE 204SMissoula, MT 59802-4401
Mailing Address111 N Higgins Ave Ste 204sMissoula, MT 59802-4401 · (406) 868-8315
Phone(406) 868-8315
Organization SubpartNo
Authorized OfficialKelsey GilleonOwner · (406) 771-6717
Enumeration DateJanuary 23, 2024
Last NPPES UpdateMay 20, 20252 updates tracked since enumeration
NPPES CertifiedMay 20, 2025
✔ NPI 1154182491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
111 N HIGGINS AVE STE 204S, Missoula, MT 59802
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Dr Kelsey L Gilleon Psychological Services PLLC's NPI number?

The NPI number for Dr Kelsey L Gilleon Psychological Services PLLC is 1154182491. It was assigned to this organization in the NPPES registry on January 23, 2024.

Where is Dr Kelsey L Gilleon Psychological Services PLLC located?

Dr Kelsey L Gilleon Psychological Services PLLC is located at 111 N Higgins Ave Ste 204S, Missoula, MT 59802. The listed phone number is (406) 868-8315.

What is Dr Kelsey L Gilleon Psychological Services PLLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Dr Kelsey L Gilleon Psychological Services PLLC was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.