WALTER BROWN, PH.D., A PSYCHOLOGICAL CORPORATION
NPI 1154646271
Psychologist - Clinical in Culver City, CA
About Walter Brown, Ph.d., A Psychological Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WALTER BROWN, PH.D., A PSYCHOLOGICAL CORPORATION (NPI 1154646271) is a healthcare organization registered as a clinical in Culver City, California and active in the NPI registry since March 2010. The organization maintains a secondary practice location in West Covina and lists Walter Brown, President And Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Walter Brown, Ph.d., A Psychological Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Walter Brown, Ph.D., A Psychological Corporation, 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 Walter Brown, Ph.D., A Psychological Corporation's NPI number?
The NPI number for Walter Brown, Ph.D., A Psychological Corporation is 1154646271. It was assigned to this organization in the NPPES registry on March 31, 2010.
Where is Walter Brown, Ph.D., A Psychological Corporation located?
Walter Brown, Ph.D., A Psychological Corporation is located at 5800 Hannum Ave. Suite 100, Culver City, CA 90230. The listed phone number is (310) 410-9504.
What is Walter Brown, Ph.D., A Psychological Corporation's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Walter Brown, Ph.D., A Psychological Corporation enrolled in Medicare?
Yes. Walter Brown, Ph.D., A Psychological Corporation is registered in the Medicare PECOS enrollment system.
When is Walter Brown, Ph.D., A Psychological Corporation's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Walter Brown, Ph.D., A Psychological Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Walter Brown, Ph.D., A Psychological Corporation. 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 Walter Brown, Ph.D., A Psychological Corporation was last updated on December 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Walter Brown, Ph.d., A Psychological Corporation · NPI 1154646271
Clinical organization in Culver City, California. Organization record, active in the CMS NPPES registry since March 31, 2010.
## Identity
- **NPI:** 1154646271 (Entity type: Organization)
- **Enumerated:** March 31, 2010
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **Organization subpart:** No
- **Authorized official:** Walter Brown, PRESIDENT AND OWNER
## Practice location
- **Address:** 5800 HANNUM AVE., SUITE 100, Culver City, CA 90230-6553
- **Phone:** (310) 410-9504 · **Fax:** (310) 410-9507
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **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:** December 5, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1154646271) · Data from the CMS NPPES public registry.