WILLIAM W CHOW MD A PROFESSIONAL CORPORATION
NPI 1801046016
Psychiatry & Neurology - Neurology in Los Angeles, CA
About William W Chow Md A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM W CHOW MD A PROFESSIONAL CORPORATION (NPI 1801046016) is a healthcare organization registered as a neurology in Los Angeles, California and active in the NPI registry since September 2008. The organization lists William W Chow, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William W Chow Md A Professional Corporation 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 William W Chow MD A Professional Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
Los Angeles, CA 90048
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 William W Chow MD A Professional Corporation's NPI number?
The NPI number for William W Chow MD A Professional Corporation is 1801046016. It was assigned to this organization in the NPPES registry on September 24, 2008.
Where is William W Chow MD A Professional Corporation located?
William W Chow MD A Professional Corporation is located at 8635 W Third St Suite 450W, Los Angeles, CA 90048. The listed phone number is (310) 659-4986.
What is William W Chow MD A Professional Corporation's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is William W Chow MD A Professional Corporation enrolled in Medicare?
Yes. William W Chow MD A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through William W Chow MD A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to William W Chow MD A Professional 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 William W Chow MD A Professional Corporation was last updated on January 17, 2024. 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.
# William W Chow Md A Professional Corporation · NPI 1801046016
Neurology organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since September 24, 2008.
## Identity
- **NPI:** 1801046016 (Entity type: Organization)
- **Enumerated:** September 24, 2008
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **Organization subpart:** No
- **Authorized official:** William Chow, PRESIDENT
## Practice location
- **Address:** 8635 W THIRD ST, SUITE 450W, Los Angeles, CA 90048-5905
- **Phone:** (310) 659-4986
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Neurology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 17, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1801046016) · Data from the CMS NPPES public registry.