WILLIAM WEI CHOW MD
NPI 1457409211
Psychiatry & Neurology - Neurology in Los Angeles, CA
About William Wei Chow Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM WEI CHOW MD (NPI 1457409211) is an individual neurology provider in Los Angeles, California, licensed in California (A64697) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (1996).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Wei Chow Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Chow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
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 Chow's NPI number?
The NPI number for William Chow is 1457409211. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is William Chow located?
William Chow practices at 8635 W 3rd Street Suite 450 West, Los Angeles, CA 90048. The listed phone number is (310) 659-4986.
What is William Chow's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is William Chow enrolled in Medicare?
Yes. William Chow is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Chow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Chow reassigns Medicare benefits to William W Chow MD A Professional Corporation (Los Angeles, CA). The 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 William Chow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Chow was last updated on September 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 Wei Chow, MD · NPI 1457409211
Neurology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since January 8, 2007.
## Identity
- **NPI:** 1457409211 (Entity type: Individual)
- **Enumerated:** January 8, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** A64697 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8635 W 3RD STREET, SUITE 450 WEST, Los Angeles, CA 90048
- **Phone:** (310) 659-4986 · **Fax:** (310) 652-7570
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** William W Chow MD A Professional Corporation (NPI 1801046016, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 1996
## Record status
- **NPPES last updated:** September 21, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1457409211) · Data from the CMS NPPES public registry.