ZAK GAST OTR
NPI 1457127698
Occupational Therapist in Warrenville, IL
About Zak Gast Otr NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZAK GAST OTR (NPI 1457127698) is an individual occupational therapist in Warrenville, Illinois, licensed in Wisconsin (6687-26) and active in the NPI registry since November 2023. He is a graduate of Other (2019).
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
Zak Gast Otr 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 Zak Gast reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53202
- Reassigned Medicare billing, Wisconsin enrollment
- 187 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 6
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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WARRENVILLE, IL 60555
WARRENVILLE, IL 60555
WARRENVILLE, IL 60555
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 Zak Gast's NPI number?
The NPI number for Zak Gast is 1457127698. It was assigned to this individual provider in the NPPES registry on November 29, 2023.
Where is Zak Gast located?
Zak Gast practices at 28100 Torch Pkwy Ste 600, Warrenville, IL 60555. The listed phone number is (630) 413-5800.
What is Zak Gast's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Zak Gast enrolled in Medicare?
Yes. Zak Gast 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 Zak Gast's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zak Gast reassigns Medicare benefits to Fox Rehabilitation Services Wi LLC (Milwaukee, WI). 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 Zak Gast'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 Zak Gast was last updated on November 29, 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.