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BRITTANY ATER LMFTA
NPI 1447937735
Marriage & Family Therapist in Seattle, WA

Active since June 29, 2023
600 N 36TH ST STE 310, SEATTLE, WA 98103(206) 317-4612 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Brittany Ater Lmfta NPPES

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

BRITTANY ATER LMFTA (NPI 1447937735) is an individual marriage & family therapist in Seattle, Washington, licensed in Washington (MG61513927) and active in the NPI registry since June 2023. She maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1447937735
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameBRITTANY ATERCredential: LMFTA
Location Address600 N 36TH ST STE 310Seattle, WA 98103-8698
Mailing Address600 N 36th St Ste 310Seattle, WA 98103-8698
Phone(206) 317-4612
Sole ProprietorNo
Enumeration DateJune 29, 2023
Last NPPES UpdateOctober 22, 2025
NPPES CertifiedOctober 22, 2025
✔ NPI 1447937735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in WA · MG61513927
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
600 N 36TH ST STE 310, Seattle, WA 98103
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Secondary Practice Location 1

Location 15227 Ballard Ave NW Ste 7Seattle, WA 98107-4847 · Phone (206) 317-4612

Other Providers at the Same Location NPPES 2

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

MARGARET M SWEENEY LICSW
Social Worker (Clinical)
600 N 36TH ST STE 310
SEATTLE, WA 98103
King County (206) 267-8283
JESSICA HOEKSTRA
Counselor (Mental Health)
600 N 36TH ST STE 310
SEATTLE, WA 98103
King County (630) 297-3446

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 Brittany Ater's NPI number?

The NPI number for Brittany Ater is 1447937735. It was assigned to this individual provider in the NPPES registry on June 29, 2023.

Where is Brittany Ater located?

Brittany Ater practices at 600 N 36th St Ste 310, Seattle, WA 98103. The listed phone number is (206) 317-4612.

What is Brittany Ater's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Brittany Ater was last updated on October 22, 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.