ONE NEURO PSYCHOLOGY INC
NPI 1164809554
Clinic/Center - Multi-Specialty in Long Beach, CA
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
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
One Neuro Psychology Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to One Neuro Psychology Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
Is One Neuro Psychology Inc enrolled in Medicare?
Yes. One Neuro Psychology Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through One Neuro Psychology Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to One Neuro Psychology Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 12 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.
# One Neuro Psychology Inc · NPI 1164809554
Multi-Specialty organization in Long Beach, California. Organization record, active in the CMS NPPES registry since May 5, 2015.
## Identity
- **NPI:** 1164809554 (Entity type: Organization)
- **Enumerated:** May 5, 2015
- **Primary specialty:** Clinic/Center - Multi-Specialty · taxonomy 261QM1300X
- **Organization subpart:** No
- **Authorized official:** Alexandra Rudd-Barnard, OWNER, DIRECTOR OF NEUROPSYCHOLOGY
## Practice location
- **Address:** 3649 ATLANTIC AVE STE B, Long Beach, CA 90807-3417
- **Phone:** (310) 207-1720 · **Fax:** (310) 207-1638
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Psychologist) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164809554) · Data from the CMS NPPES public registry.