JOHN WILLIAMS OTR/L
NPI 1669038113
Occupational Therapist - Hand in West Hills, CA
About John Williams Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN WILLIAMS OTR/L (NPI 1669038113) is an individual hand provider in West Hills, California, licensed in California (21882) and active in the NPI registry since May 2019. He is a graduate of Other (2020).
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
John Williams Otr/l 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 John Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Van Nuys, CA 91406
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
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 9
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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Williams's NPI number?
The NPI number for John Williams is 1669038113. It was assigned to this individual provider in the NPPES registry on May 9, 2019.
Where is John Williams located?
John Williams practices at 22110 Roscoe Blvd Ste 302, West Hills, CA 91304. The listed phone number is (818) 347-7110.
What is John Williams's specialty?
The primary specialty registered for this NPI is Occupational Therapist, specializing in Hand, with taxonomy code 225XH1200X.
Is John Williams enrolled in Medicare?
Yes. John Williams 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 John Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Williams reassigns Medicare benefits to Hand Center Of Southern California (Van Nuys, 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 John Williams'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 John Williams was last updated on November 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# John Williams, OTR/L · NPI 1669038113
Hand provider in West Hills, California. Individual provider, active in the CMS NPPES registry since May 9, 2019.
## Identity
- **NPI:** 1669038113 (Entity type: Individual)
- **Enumerated:** May 9, 2019
- **Primary specialty:** Occupational Therapist - Hand · taxonomy 225XH1200X
- **State license:** 21882 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 22110 ROSCOE BLVD STE 302, West Hills, CA 91304-3864
- **Phone:** (818) 347-7110
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Hand Center Of Southern California (NPI 1396868212, Van Nuys, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** November 22, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1669038113) · Data from the CMS NPPES public registry.