IAN DOUGLAS MACKELVIE LCSW
NPI 1659651370
Social Worker - Clinical in Seattle, WA

Active since August 25, 2011
1817 QUEEN ANNE AVE N STE 202, SEATTLE, WA 98109(707) 440-9288 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 11, 2020, Nov 8, 2019 (2 updates tracked since 2019).

About Ian Douglas Mackelvie Lcsw NPPES

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

IAN DOUGLAS MACKELVIE LCSW (NPI 1659651370) is an individual clinical provider in Seattle, Washington, licensed in California (84796) and active in the NPI registry since August 2011. He maintains a secondary practice location in Eureka.

NPPES Registry Identity

NPI1659651370
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameIAN DOUGLAS MACKELVIECredential: LCSW
Location Address1817 QUEEN ANNE AVE N STE 202Seattle, WA 98109-2876
Mailing Address1817 Queen Anne Ave N Ste 202Seattle, WA 98109-2876 · (707) 440-9288
Sole ProprietorNo
Enumeration DateAugust 25, 2011
Last NPPES UpdateAugust 20, 20252 updates tracked since enumeration
NPPES CertifiedAugust 20, 2025
NPI 1659651370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses Licensed in CA · 84796 Licensed in WA · LW61573386
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.
Also ListedCounselorTaxonomy 101Y00000X · License 62012 (CA)
1817 QUEEN ANNE AVE N STE 202, Seattle, WA 98109

Secondary Practice Location 1

Location 11302 11th StEureka, CA 95501-2029 · Phone (074) 409-2887

Other Providers at the Same Location NPPES

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

Social Worker (Clinical)
1817 QUEEN ANNE AVE N STE 202
SEATTLE, WA 98109

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 Ian Mackelvie's NPI number?

The NPI number for Ian Mackelvie is 1659651370. It was assigned to this individual provider in the NPPES registry on August 25, 2011.

Where is Ian Mackelvie located?

Ian Mackelvie practices at 1817 Queen Anne Ave N Ste 202, Seattle, WA 98109. The listed phone number is (707) 440-9288.

What is Ian Mackelvie'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 Ian Mackelvie was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.