What is Derrick Lum's NPI number?

Derrick Lum's National Provider Identifier (NPI) is 1063386647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Derrick Lum's specialty?

Derrick Lum is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Derrick Lum located?

Derrick Lum's practice location on file with NPPES is 9580 Blackley St, Temple City, CA 91780-3142.

What is Derrick Lum's phone number?

The practice phone number listed in the NPPES registry for Derrick Lum is (626) 313-8019.

Is Derrick Lum's NPI active?

Yes — Derrick Lum's NPI (1063386647) is active in the NPPES registry as of the last update on 2025-10-06.

IndividualActive

Derrick Lum, LCSW

NPI 1063386647 · Clinical Social Worker · Temple City, CA

Derrick Lum, LCSW is a Clinical Social Worker provider in Temple City, CA (NPI 1063386647).

Provider details

NPI number: 1063386647
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sole proprietor: Yes
License: LCSW21237 (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense LCSW21237 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

9580 Blackley St

Temple City, CA 91780-3142

Phone: (626) 313-8019

Street-level locationGet directions

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Mailing address