DEREK SIU-CHUN LEE
NPI 1538738992
Behavior Analyst in Newark, CA

Q: What is Derek Lee's NPI number?

The NPI number for Derek Lee is 1538738992. It was assigned to this individual provider in the NPPES registry on June 21, 2021.

Q: What is Derek Lee'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 Derek Lee was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since June 21, 2021

39899 BALENTINE DR STE 110, NEWARK, CA 94560(510) 244-1145 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jun 12, 2025, Jun 21, 2021 (2 updates tracked since 2021).

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About Derek Siu-chun Lee NPPES

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

DEREK SIU-CHUN LEE (NPI 1538738992) is an individual behavior analyst provider in Newark, California, licensed in California (1-25-79783) and active in the NPI registry since June 2021. He maintains a secondary practice location in San Leandro.

NPPES Registry Identity

NPI1538738992

Entity TypeIndividualMale

Primary Taxonomy103K00000X

Provider Legal NameDEREK SIU-CHUN LEE

Location Address39899 BALENTINE DR STE 110Newark, CA 94560-5356

Mailing AddressPo Box 33568San Diego, CA 92163-3568 · (855) 223-7123 · Fax (619) 374-7134

Phone(510) 244-1145

Sole ProprietorNo

Enumeration DateJune 21, 2021

Last NPPES UpdateJune 12, 20252 updates tracked since enumeration

NPPES CertifiedJune 12, 2025

✔ NPI 1538738992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

License✔ Licensed in CA · 1-25-79783

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.

Also ListedBehavior TechnicianTaxonomy 106S00000X

39899 BALENTINE DR STE 110, Newark, CA 94560

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Secondary Practice Location 1

Location 1477 Callan Ave # 101San Leandro, CA 94577-4607 · Phone (818) 241-6780

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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.

JEREMY TO

Behavior Technician