What is Lucia Leon's NPI number?

Lucia Leon's National Provider Identifier (NPI) is 1598248577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lucia Leon's specialty?

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

Where is Lucia Leon located?

Lucia Leon's practice location on file with NPPES is 24301 Southland Dr Ste 300, Hayward, CA 94545-1546.

What is Lucia Leon's phone number?

The practice phone number listed in the NPPES registry for Lucia Leon is (510) 300-3181.

Is Lucia Leon's NPI active?

Yes — Lucia Leon's NPI (1598248577) is active in the NPPES registry as of the last update on 2026-03-23.

IndividualActive

Lucia Leon, ASW 126566

NPI 1598248577 · Clinical Social Worker · Hayward, CA

Lucia Leon, ASW 126566 is a Clinical Social Worker provider in Hayward, CA (NPI 1598248577).

Provider details

NPI number: 1598248577
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: ASW 126566
Sex: Female
Sole proprietor: No
License: 126566 (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 126566 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(67/100 index)

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

Registry tenure38% of score
7 yrs in NPPES 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

24301 Southland Dr Ste 300

Hayward, CA 94545-1546

Phone: (510) 300-3181

Street-level locationGet directions

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Mailing address