Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

STEVEN R ANDERSON SR.
NPI 1811823651
Counselor - Addiction (Substance Use Disorder) in Lakeside, CA

Q: What is Steven Anderson's NPI number?

The NPI number for Steven Anderson is 1811823651. It was assigned to this individual provider in the NPPES registry on June 19, 2026.

Q: What is Steven Anderson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Steven Anderson was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 19, 2026

12539 CASTLE COURT DR, LAKESIDE, CA 92040(415) 205-9877 Get Directions Write a Review

NPPES record added: June 19, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

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About Steven R Anderson Sr. NPPES

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

STEVEN R ANDERSON SR. (NPI 1811823651) is an individual addiction (substance use disorder) provider in Lakeside, California, licensed in California (7443) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1811823651

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameSTEVEN R ANDERSON SR.

Location Address12539 CASTLE COURT DRLakeside, CA 92040-4226

Mailing Address12539 Castle Court DrLakeside, CA 92040-4226 · (415) 205-9877

Phone(415) 205-9877

Sole ProprietorNo

Enumeration DateJune 19, 2026

NPPES CertifiedJune 19, 2026

✔ NPI 1811823651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in CA · 7443

12539 CASTLE COURT DR, Lakeside, CA 92040

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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 Steven Anderson's NPI number?

The NPI number for Steven Anderson is 1811823651. It was assigned to this individual provider in the NPPES registry on June 19, 2026.

Where is Steven Anderson located?

Steven Anderson practices at 12539 Castle Court Dr, Lakeside, CA 92040. The listed phone number is (415) 205-9877.

What is Steven Anderson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Steven Anderson was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.