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

RACHEL EFKEN BCBA
NPI 1013541978
Behavior Analyst in Lakewood, WA

Q: What is Rachel Efken's NPI number?

The NPI number for Rachel Efken is 1013541978. It was assigned to this individual provider in the NPPES registry on February 28, 2020.

Q: What is Rachel Efken's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Q: When was this NPI record last updated?

The NPPES record for Rachel Efken was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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, 2020

5919 100TH ST SW # 2, LAKEWOOD, WA 98499(855) 223-7123(619) 374-7134 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2026, May 15, 2026, Sep 25, 2024 and 2 more (5 updates tracked since 2020).

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About Rachel Efken Bcba NPPES

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

RACHEL EFKEN BCBA (NPI 1013541978) is an individual behavior analyst provider in Lakewood, Washington, licensed in Missouri (1-21-52939) and active in the NPI registry since February 2020. She maintains 3 additional practice locations.

NPPES Registry Identity

NPI1013541978

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameRACHEL EFKENCredential: BCBA

Location Address5919 100TH ST SW # 2Lakewood, WA 98499-2731

Mailing AddressPo Box 740780Atlanta, GA 30374-0780 · (855) 223-7123 · Fax (619) 374-7134

Phone(855) 223-7123

Fax(619) 374-7134

Sole ProprietorNo

Enumeration DateFebruary 28, 2020

Last NPPES UpdateJuly 21, 20265 updates tracked since enumeration

NPPES CertifiedJuly 21, 2026

✔ NPI 1013541978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

Licenses✔ Licensed in MO · 1-21-52939✔ Licensed in WA · BA61592699

Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

5919 100TH ST SW # 2, Lakewood, WA 98499

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Secondary Practice Locations 3

Location 1521 Military Rd STacoma, WA 98444-2600 · Phone (855) 223-7123

Location 2914 140th Ave NE Ste 201Bellevue, WA 98005-3482 · Phone (855) 223-7123

Location 310015 Lakewood Dr SWLakewood, WA 98499-3838 · Phone (855) 223-7123 · Fax (619) 374-7134

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Other Providers at the Same Location NPPES 20

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

BRITTANY FOWLER

Behavior Technician