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RONALD ALBERT HARRIS
NPI 1649078262
Counselor - Addiction (Substance Use Disorder) in Los Alamitos, CA

Active since March 07, 2025
4281 KATELLA AVE STE 211, LOS ALAMITOS, CA 90720(562) 596-0050(562) 596-0058 Get Directions Write a Review

NPPES record last updated: March 7, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ronald Albert Harris NPPES

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

RONALD ALBERT HARRIS (NPI 1649078262) is an individual addiction (substance use disorder) provider in Los Alamitos, California and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1649078262
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameRONALD ALBERT HARRIS
Location Address4281 KATELLA AVE STE 211Los Alamitos, CA 90720-6500
Mailing Address4281 Katella Ave Ste 211Los Alamitos, CA 90720-6500 · (562) 596-0050 · Fax (562) 596-0058
Phone(562) 596-0050
Fax(562) 596-0058
Sole ProprietorNo
Enumeration DateMarch 7, 2025
NPPES CertifiedMarch 7, 2025
✔ NPI 1649078262 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
4281 KATELLA AVE STE 211, Los Alamitos, CA 90720
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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REBECCA MICHELLE HARVEY
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 211
LOS ALAMITOS, CA 90720
Orange County (562) 594-8844
CRYSTAL BRIANNE RODRIGUEZ
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 211
LOS ALAMITOS, CA 90720
Orange County (562) 594-8844
ELLEN ANN LOPEZ LAADC CA
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 211
LOS ALAMITOS, CA 90720
Orange County (562) 594-8444
DARLENE DEANNA TRAVIS
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 211
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050
FLORENA RANDOLPH CADCII CCJP
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 211
LOS ALAMITOS, CA 90720
Orange County (562) 594-8844
TWIN TOWN CORPORATION
Clinic/Center (Rehabilitation, Substance Use Disorder)
4281 KATELLA AVE STE 211
LOS ALAMITOS, CA 90720
Orange County (562) 594-8844
CAITLIN ALEXIS CARSON
Counselor (Addiction (Substance Use Disorder))
4281 KATELLA AVE STE 211
LOS ALAMITOS, CA 90720
Orange County (562) 596-0050

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 Ronald Harris's NPI number?

The NPI number for Ronald Harris is 1649078262. It was assigned to this individual provider in the NPPES registry on March 7, 2025.

Where is Ronald Harris located?

Ronald Harris practices at 4281 Katella Ave Ste 211, Los Alamitos, CA 90720. The listed phone number is (562) 596-0050.

What is Ronald Harris'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 Ronald Harris was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.