ONE NEURO PSYCHOLOGY INC
NPI 1164809554
Clinic/Center - Multi-Specialty in Long Beach, CA

Q: What is One Neuro Psychology Inc's NPI number?

The NPI number for One Neuro Psychology Inc is 1164809554. It was assigned to this organization in the NPPES registry on May 5, 2015.

Q: What is One Neuro Psychology Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Active since May 05, 2015

3649 ATLANTIC AVE STE B, LONG BEACH, CA 90807(310) 207-1720(310) 207-1638 Get Directions Write a Review

NPPES record last updated: October 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About One Neuro Psychology Inc NPPES

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

ONE NEURO PSYCHOLOGY INC (NPI 1164809554) is a healthcare organization registered as a multi-specialty in Long Beach, California and active in the NPI registry since May 2015. The organization lists Alexandra Rudd-barnard, Owner, Director Of Neuropsychology, as its authorized official.

NPPES Registry Identity

NPI1164809554

Entity TypeOrganization

Primary Taxonomy261QM1300X

Legal Business NameONE NEURO PSYCHOLOGY INC

Location Address3649 ATLANTIC AVE STE BLong Beach, CA 90807-3417

Mailing Address3649 Atlantic Ave Ste BLong Beach, CA 90807-3417 · (310) 207-1720 · Fax (310) 207-1638

Phone(310) 207-1720

Fax(310) 207-1638

Organization SubpartNo

Authorized OfficialAlexandra Rudd-barnardOwner, Director Of Neuropsychology · (310) 207-1720

Enumeration DateMay 5, 2015

Last NPPES UpdateOctober 21, 2025

NPPES CertifiedOctober 21, 2025

✔ NPI 1164809554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities

Taxonomy Code261QM1300X

3649 ATLANTIC AVE STE B, Long Beach, CA 90807

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Other Providers at the Same Location NPPES

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

DR. ALEXANDRA HAZEL RUDD-BARNARD PSY.D.

Clinical Neuropsychologist

3649 ATLANTIC AVE STE B
LONG BEACH, CA 90807

Los Angeles County (310) 207-1720

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 One Neuro Psychology Inc's NPI number?

The NPI number for One Neuro Psychology Inc is 1164809554. It was assigned to this organization in the NPPES registry on May 5, 2015.

Where is One Neuro Psychology Inc located?

One Neuro Psychology Inc is located at 3649 Atlantic Ave Ste B, Long Beach, CA 90807. The listed phone number is (310) 207-1720.

What is One Neuro Psychology Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

When was this NPI record last updated?

The NPPES record for One Neuro Psychology Inc was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.