MS. DIANA LONGDON L.C.S.W.
NPI 1598861353
Social Worker - Clinical in Helena, MT

Active since September 16, 2006
535 SADDLE DR, HELENA, MT 59601(406) 449-3115(406) 449-8828 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Ms. Diana Longdon L.c.s.w. NPPES

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

MS. DIANA LONGDON L.C.S.W. (NPI 1598861353) is an individual clinical provider in Helena, Montana, licensed in Montana (121) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1598861353
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. DIANA LONGDONCredential: L.C.S.W.
Location Address535 SADDLE DRHelena, MT 59601-5634
Mailing Address535 Saddle DrHelena, MT 59601-5634 · (406) 449-3115 · Fax (406) 449-8828
Fax(406) 449-8828
Sole ProprietorYes
Enumeration DateSeptember 16, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1598861353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MT · 121
Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

535 SADDLE DR, Helena, MT 59601

Other Identifiers 2

Other70360MT · Blue Cross/blue Shield
Medicaid0000500604MT

Other Providers at the Same Location NPPES 9

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

Counselor (Professional)
535 SADDLE DR
HELENA, MT 59601
Counselor (Addiction (Substance Use Disorder))
535 SADDLE DR
HELENA, MT 59601
Counselor
535 SADDLE DR
HELENA, MT 59601
Counselor (Mental Health)
535 SADDLE DR
HELENA, MT 59601
Counselor (Mental Health)
535 SADDLE DR
HELENA, MT 59601
Social Worker (Clinical)
535 SADDLE DR
HELENA, MT 59601
Counselor (Professional)
535 SADDLE DR
HELENA, MT 59601
Counselor (Mental Health)
535 SADDLE DR
HELENA, MT 59601

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 Diana Longdon's NPI number?

The NPI number for Diana Longdon is 1598861353. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Where is Diana Longdon located?

Diana Longdon practices at 535 Saddle Dr, Helena, MT 59601. The listed phone number is (406) 449-3115.

What is Diana Longdon's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Diana Longdon was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.