GAIL A ZIMMERMAN (OT) – Occupational Therapist, NPI 1407110778
Occupational Therapist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
500 OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE in WI
Provider Addresses for GAIL A ZIMMERMAN (OT)
790 REMINGTON BLVD
BOLINGBROOK, IL 604404909
Phone: (630) 296-2222
Type: Mailing
1111 DELAFIELD ST
STE 120
WAUKESHA, WI 531883417
Phone: (262) 521-9762
Type: Location
2001 BUTTERFIELD RD STE 1600
DOWNERS GROVE, IL 605151211
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-11-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-11-30 (922 days ago).
Enrollment records
1
Earliest due date
2023-11-30
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20121119000085 | I | Occupational Therapist In Private Practice | WI | 2023-11-30 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 97110 | Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 294 | 35 | $0 |
| 97140 | Therapy procedure using manual technique, each 15 minutes | 102 | 27 | $0 |
| 97167 | Evaluation for occupational therapy, typically 1 hour | 13 | 13 | $0 |
Insurance plans in this area (ZIP 60440)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OCCUPATIONAL THERAPY | WI | 97140 | Manual (physical) therapy techniques to 1 or more regions, each 15 minutes | 247 | 38 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | IL | |
| Orthopedic Surgery | WI | |
| Physician Assistant | WI | |
| Occupational Therapist In Private Practice | IL | |
| Physical Therapist In Private Practice | IL | |
| Occupational Therapist In Private Practice | OR | |
| Physical Therapist In Private Practice | WI | |
| Orthopedic Surgery | WI | |
| Physical Therapist In Private Practice | IL | |
| Physical Therapist In Private Practice | WI |
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