MARY KATHERINE GRIESSMANN LICSW
NPI 1265061485
Social Worker - Clinical in Spokane, WA

Active since April 08, 2020
2020 E 29TH AVE STE 215, SPOKANE, WA 99203(509) 437-2889 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Nov 18, 2025, May 22, 2020, Apr 8, 2020 (3 updates tracked since 2020).

About Mary Katherine Griessmann Licsw NPPES

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

MARY KATHERINE GRIESSMANN LICSW (NPI 1265061485) is an individual clinical provider in Spokane, Washington, licensed in Washington (LW60935986) and active in the NPI registry since April 2020.

NPPES Registry Identity

NPI1265061485
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARY KATHERINE GRIESSMANNCredential: LICSW
Location Address2020 E 29TH AVE STE 215Spokane, WA 99203-3949
Mailing Address2020 E 29th Ave Ste 215Spokane, WA 99203-3949 · (509) 437-2889
Sole ProprietorNo
Enumeration DateApril 8, 2020
Last NPPES UpdateNovember 18, 20253 updates tracked since enumeration
NPPES CertifiedNovember 18, 2025
NPI 1265061485 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 WA · LW60935986
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.
2020 E 29TH AVE STE 215, Spokane, WA 99203

Accepted Insurance

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)
2020 E 29TH AVE STE 215
SPOKANE, WA 99203

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 Mary Griessmann's NPI number?

The NPI number for Mary Griessmann is 1265061485. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Where is Mary Griessmann located?

Mary Griessmann practices at 2020 E 29th Ave Ste 215, Spokane, WA 99203. The listed phone number is (509) 437-2889.

What is Mary Griessmann's specialty?

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

What insurance does Mary Griessmann accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mary Griessmann as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Griessmann was last updated on November 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.