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

MRS. TACOMA RAIN MENDELSOHN LONGWORTH
NPI 1538826201
Behavior Analyst in Belgrade, MT

Q: What is Tacoma Longworth's NPI number?

The NPI number for Tacoma Longworth is 1538826201. It was assigned to this individual provider in the NPPES registry on November 17, 2021. The provider is also known as Miss Tacoma Rain Mendelsohn.

Q: What is Tacoma Longworth's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Q: When was this NPI record last updated?

The NPPES record for Tacoma Longworth was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since November 17, 2021

602 MONTANA ST APT A, BELGRADE, MT 59714(406) 579-3963 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 1, 2025, Mar 5, 2025, Nov 17, 2021 (3 updates tracked since 2021).

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About Mrs. Tacoma Rain Mendelsohn Longworth NPPES

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

MRS. TACOMA RAIN MENDELSOHN LONGWORTH (NPI 1538826201) is an individual behavior analyst provider in Belgrade, Montana, licensed in Montana (PSY-BA-LIC-5600) and active in the NPI registry since November 2021.

NPPES Registry Identity

NPI1538826201

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameMRS. TACOMA RAIN MENDELSOHN LONGWORTH

Location Address602 MONTANA ST APT ABelgrade, MT 59714-4027

Mailing Address602 Montana St Apt ABelgrade, MT 59714-4027 · (406) 579-3963

Phone(406) 579-3963

Sole ProprietorYes

Enumeration DateNovember 17, 2021

Last NPPES UpdateOctober 19, 20263 updates tracked since enumeration

NPPES CertifiedOctober 19, 2026

✔ NPI 1538826201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

License✔ Licensed in MT · PSY-BA-LIC-5600

Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

602 MONTANA ST APT A, Belgrade, MT 59714

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Other Names 1

Former Name (1)Miss Tacoma Rain Mendelsohn

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 Tacoma Longworth's NPI number?

The NPI number for Tacoma Longworth is 1538826201. It was assigned to this individual provider in the NPPES registry on November 17, 2021. The provider is also known as Miss Tacoma Rain Mendelsohn.

Where is Tacoma Longworth located?

Tacoma Longworth practices at 602 Montana St Apt A, Belgrade, MT 59714. The listed phone number is (406) 579-3963.

What is Tacoma Longworth's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

When was this NPI record last updated?

The NPPES record for Tacoma Longworth was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.