TIMOTHY ZENG OTR/L
NPI 1962391862
Occupational Therapist in Walnut Creek, CA
About Timothy Zeng Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY ZENG OTR/L (NPI 1962391862) is an individual occupational therapist in Walnut Creek, California and active in the NPI registry since July 2025. He is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Timothy Zeng 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 Timothy Zeng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 211 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
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 Timothy Zeng's NPI number?
The NPI number for Timothy Zeng is 1962391862. It was assigned to this individual provider in the NPPES registry on July 2, 2025. The provider is also known as Tim Zeng Otr/L.
Where is Timothy Zeng located?
Timothy Zeng practices at 2625 Shadelands Dr, Walnut Creek, CA 94598. The listed phone number is (925) 939-8585.
What is Timothy Zeng's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Timothy Zeng enrolled in Medicare?
Yes. Timothy Zeng 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 Timothy Zeng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Zeng reassigns Medicare benefits to Golden State Orthopedics & Spine (Walnut Creek, 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 Timothy Zeng'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 Timothy Zeng was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.