GAIL A ZIMMERMAN OT
NPI 1407110778
Occupational Therapist in Waukesha, WI
About Gail A Zimmerman Ot NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GAIL A ZIMMERMAN OT (NPI 1407110778) is an individual occupational therapist in Waukesha, Wisconsin, licensed in Wisconsin (188-26) and active in the NPI registry since July 2012. She is a graduate of Other (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Gail A Zimmerman Ot 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 Reassignments
3Medicare enrollment records show Gail Zimmerman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pewaukee, WI 53072
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Athletic & Therapeutic Institute Of Milwaukee, LLC
- 140 clinicians in this Medicare group
Pewaukee, WI 53072
- Reassigned Medicare billing, Wisconsin enrollment
- 100 clinicians in this Medicare group
Wauwatosa, WI 53222
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Orthopedic Surgeons Of Wisconsin Sc
- 57 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 3
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WAUKESHA, WI 53188
WAUKESHA, WI 53188
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 Gail Zimmerman's NPI number?
The NPI number for Gail Zimmerman is 1407110778. It was assigned to this individual provider in the NPPES registry on July 1, 2012.
Where is Gail Zimmerman located?
Gail Zimmerman practices at 1111 Delafield St Ste 120, Waukesha, WI 53188. The listed phone number is (262) 521-9762.
What is Gail Zimmerman's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Gail Zimmerman enrolled in Medicare?
Yes. Gail Zimmerman 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 organizations bill Medicare for Gail Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gail Zimmerman reassigns Medicare benefits to 3 organizations: Athletic And Therapeutic Institute Of Milwaukee, LLC (Pewaukee, WI), Orthopaedic Associates Of Wisconsin, Sc (Pewaukee, WI) and Orthopedic Surgeons Of Wisconsin, S.C. (Wauwatosa, WI). Each 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 Gail Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gail Zimmerman accept?
Health plans from UnitedHealthcare list Gail Zimmerman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Gail Zimmerman was last updated on January 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.