NPPES file of Aug 9, 2026

Gail A. Zimmerman, OT

Occupational Therapist · Waukesha, WI

Gail A. Zimmerman, OT is an occupational therapist with a practice address in Waukesha, Wisconsin, and NPI 1407110778, issued on Jul 1, 2012. Check the license (Wisconsin 188-26, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407110778
Name
Gail A. Zimmerman
Credential
OT
Primary taxonomy
Occupational Therapist 225X00000X
License number
188-26 WI
Self-reported in NPPES; status is on the state search
Practice location
1111 Delafield St, Waukesha, WI 53188
Phone
(262) 521-9762
Enumerated
Jul 1, 2012
Record last updated
Jan 10, 2025
Medicaid ID
1407110778 WI
Medicare enrollment
Enrolled (PECOS I20121119000085); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest occupational therapist records → All 3,827 in Wisconsin → Look up another NPI →

Also registered at 1111 Delafield St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Beth Angsten, M.D.Obstetrics & Gynecology Physician1174596217
  2. Amy Attwell, MDPediatric Adolescent Medicine Physician1972578383
  3. April Barron, MS, RD, CSR, CDRegistered Dietitian1144347758
  4. Stephen Bartos, MDSurgery Physician1083601645
  5. Gerald Berman, M.D.Internal Medicine Physician1215909734
  6. Joseph BestOral and Maxillofacial Surgery (Dentist)1881702439

Verify Gail A. Zimmerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 188-26    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Orthopaedic Associates OF Wisconsin SCPewaukee, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gail A. Zimmerman among 3,827 occupational therapist records in Wisconsin

Gail A. Zimmerman, OT is one of 3,827 occupational therapist records with a practice address in Wisconsin. 10% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 46% of them.

  • NPI issued2012 · 46% of these records are older, 51% newer
  • In a Medicare fileYes · 10% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated1985 · median 2013 among the 437 with a school on file
  • Record last updated2025 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

66 occupational therapist records list a practice address in Waukesha

They are 66 of the 2,814 NPPES records with a practice address in Waukesha, and 3,827 occupational therapist records in Wisconsin.

All 3,827 in Wisconsin → Every provider in Waukesha → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Cynthia Borkenhagen, OTRWaukesha, WI 531881174505713
  2. Christine Bowman, OTRLWaukesha, WI 531881821265471
  3. Karen Follansbee-Gragg, OTRWaukesha, WI 531881679555841
  4. Tammy Hansen, O.T.RWaukesha, WI 531881851513402
  5. Kristen Kemos, MOTWaukesha, WI 531881063644870
  6. Susan Kratz, OTR, CSTWaukesha, WI 531881063643526
  7. Jennifer Major, OTWaukesha, WI 531881194930578
  8. Jennifer Marchert-Eaton, OTWaukesha, WI 531881942238639

Common questions

What is Gail A. Zimmerman, OT's NPI number?

Gail A. Zimmerman, OT's National Provider Identifier (NPI) is 1407110778, issued on Jul 1, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Gail A. Zimmerman, OT located?

The NPPES record lists a practice address at 1111 Delafield St, Waukesha, WI, 53188. Phone: (262) 521-9762. Providers update this record themselves, so call before visiting.

How can I verify Gail A. Zimmerman, OT's license?

NPPES lists Wisconsin license number 188-26, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.