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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANA MEIER LCSW
NPI 1851686026
Social Worker - Clinical in Santa Ana, CA

Active since June 15, 2011
2416 S MAIN ST, SUITE B, SANTA ANA, CA 92707(714) 966-9999 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Diana Meier Lcsw NPPES

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

DIANA MEIER LCSW (NPI 1851686026) is an individual clinical provider in Santa Ana, California, licensed in California (27386) and active in the NPI registry since June 2011.

NPPES Registry Identity

NPI1851686026
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDIANA MEIERCredential: LCSW
Location Address2416 S MAIN ST, SUITE BSanta Ana, CA 92707-3255
Mailing Address312 18th StHuntington Beach, CA 92648-3802 · (714) 362-7196
Phone(714) 966-9999
Sole ProprietorYes
Enumeration DateJune 15, 2011
Last NPPES UpdateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1851686026 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 27386
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
2416 S MAIN ST, Santa Ana, CA 92707
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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.

MENTAL HEALTH ASSOCIATION OF ORANGE COUNTY
Social Worker
2416 S MAIN ST, SUITE A, AB2034 PROGRAM
SANTA ANA, CA 92707
Orange County (714) 668-8498
JESSE ECONOMAKOS ECONOMAKOS
Counselor (Mental Health)
2416 S MAIN ST
SANTA ANA, CA 92707
Orange County (714) 966-9999
MENTAL HEALTH ASSOCIATION OF ORANGE COUNTY
Counselor
2416 S MAIN ST, SUITE A & B, WIT COURT & CHOICES FSP
SANTA ANA, CA 92707
Orange County (714) 668-8498
MR. NEILL VINCENT NYSSEN M.S.
Counselor
2416 S MAIN ST, SUITE B
SANTA ANA, CA 92707
Orange County (714) 668-8498
MRS. SAMANTHA ALYSE' HERMOSILLO
Counselor (Mental Health)
2416 S MAIN ST
SANTA ANA, CA 92707
Orange County (714) 668-8498
SHANNON BRADSHAW
Counselor
2416 S MAIN ST, SUITE B
SANTA ANA, CA 92707
Orange County (714) 331-8266
LISA MARIE MELTON
Counselor (Mental Health)
2416 S MAIN ST
SANTA ANA, CA 92707
Orange County (714) 668-8498
MRS. HEIDI LINDROS RANSOM
Counselor (Mental Health)
2416 S MAIN ST
SANTA ANA, CA 92707
Orange County (714) 668-8498

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 Diana Meier's NPI number?

The NPI number for Diana Meier is 1851686026. It was assigned to this individual provider in the NPPES registry on June 15, 2011.

Where is Diana Meier located?

Diana Meier practices at 2416 S Main St Suite B, Santa Ana, CA 92707. The listed phone number is (714) 966-9999.

What is Diana Meier's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Diana Meier was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.