1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Behavior Analyst
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SIMONE ALEXIS MAZILU BCBA
NPI 1326810391
Behavior Analyst in Seattle, WA

Active since October 24, 2023
102 N 143RD ST, SEATTLE, WA 98133(206) 914-9219 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 14, 2026, Mar 9, 2026, Oct 24, 2023 (3 updates tracked since 2023).

About Simone Alexis Mazilu Bcba NPPES

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

SIMONE ALEXIS MAZILU BCBA (NPI 1326810391) is an individual behavior analyst provider in Seattle, Washington, licensed in Washington (BA70094958) and active in the NPI registry since October 2023. She maintains a secondary practice location in Newcastle.

NPPES Registry Identity

NPI1326810391
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameSIMONE ALEXIS MAZILUCredential: BCBA
Location Address102 N 143RD STSeattle, WA 98133-6803
Mailing Address7914 110th Ave Se Apt 606Newcastle, WA 98056-1674 · (719) 201-1321
Phone(206) 914-9219
Sole ProprietorYes
Enumeration DateOctober 24, 2023
Last NPPES UpdateAugust 14, 20263 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1326810391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
License✔ Licensed in WA · BA70094958
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.
102 N 143RD ST, Seattle, WA 98133
Open in Google Maps ↗

Other Names 1

Former Name (1)Simone Alexis Neal Cbt

Secondary Practice Location 1

Location 17914 110th Ave SE Apt 606Newcastle, WA 98056-1674 · Phone (719) 201-1321

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.

ACCELERATE LEARNING SPECIALISTS LLC
Behavior Analyst
102 N 143RD ST
SEATTLE, WA 98133
King County (206) 914-9219
MS. ELIZABETH G LEFEBRE BCBA
Behavior Analyst
102 N 143RD ST
SEATTLE, WA 98133
King County (206) 914-9219

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 Simone Mazilu's NPI number?

The NPI number for Simone Mazilu is 1326810391. It was assigned to this individual provider in the NPPES registry on October 24, 2023. The provider is also known as Simone Alexis Neal Cbt.

Where is Simone Mazilu located?

Simone Mazilu practices at 102 N 143rd St, Seattle, WA 98133. The listed phone number is (206) 914-9219.

What is Simone Mazilu's specialty?

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

When was this NPI record last updated?

The NPPES record for Simone Mazilu was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.