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

MR. MARK EUGENE LORENZEN MSW
NPI 1376519264
Social Worker in Tacoma, WA

Q: What is Mark Lorenzen's NPI number?

The NPI number for Mark Lorenzen is 1376519264. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Q: What is Mark Lorenzen's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Lorenzen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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 February 28, 2006

2DN & LIGGETT ST. BLDING 2006A, MCHJ-DA, ARMY SUBSTANCE ABUSE PROGRAM/MAMC, TACOMA, WA 98431(253) 967-1452 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mr. Mark Eugene Lorenzen Msw NPPES

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

MR. MARK EUGENE LORENZEN MSW (NPI 1376519264) is an individual social worker in Tacoma, Washington, licensed in Iowa (01803) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1376519264

Entity TypeIndividualMale

Primary Taxonomy104100000X

Provider Legal NameMR. MARK EUGENE LORENZENCredential: MSW

Location Address2DN & LIGGETT ST. BLDING 2006A, MCHJ-DA, ARMY SUBSTANCE ABUSE PROGRAM/MAMCTacoma, WA 98431-0001

Mailing Address5633 Orca Dr NeTacoma, WA 98422-1983 · (253) 952-3072

Phone(253) 967-1452

Sole ProprietorNo

Enumeration DateFebruary 28, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1376519264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in IA · 01803

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

2DN & LIGGETT ST. BLDING 2006A, MCHJ-DA, Tacoma, WA 98431

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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 Mark Lorenzen's NPI number?

The NPI number for Mark Lorenzen is 1376519264. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is Mark Lorenzen located?

Mark Lorenzen practices at 2dn & Liggett St. Blding 2006A, Mchj-Da Army Substance Abuse Program/Mamc, Tacoma, WA 98431. The listed phone number is (253) 967-1452.

What is Mark Lorenzen's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Mark Lorenzen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.