MR. PIETER HARTWIG SWEEN LCSW
NPI 1780385526
Social Worker - Clinical in Missoula, MT

Active since March 16, 2023
840 ROLLINS ST APT C, MISSOULA, MT 59801(406) 544-7684 Get Directions Write a Review

NPPES record last updated: March 16, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Pieter Hartwig Sween Lcsw NPPES

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

MR. PIETER HARTWIG SWEEN LCSW (NPI 1780385526) is an individual clinical provider in Missoula, Montana, licensed in Montana (BBH-LCSW-LIC-43180) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1780385526
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. PIETER HARTWIG SWEENCredential: LCSW
Location Address840 ROLLINS ST APT CMissoula, MT 59801-3709
Mailing AddressPo Box 1143Missoula, MT 59806-1143 · (406) 544-7684
Sole ProprietorYes
Enumeration DateMarch 16, 2023
NPPES CertifiedMarch 16, 2023
NPI 1780385526 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 · BBH-LCSW-LIC-43180
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.
840 ROLLINS ST APT C, Missoula, MT 59801

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 Pieter Sween's NPI number?

The NPI number for Pieter Sween is 1780385526. It was assigned to this individual provider in the NPPES registry on March 16, 2023.

Where is Pieter Sween located?

Pieter Sween practices at 840 Rollins St Apt C, Missoula, MT 59801. The listed phone number is (406) 544-7684.

What is Pieter Sween'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 Pieter Sween was last updated on March 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.