Margaret Katherine Walker, DPT
Physical Therapist · Greenfield, WI
Margaret Katherine Walker, DPT is a physical therapist with a practice address in Greenfield, Wisconsin, and NPI 1487382214, issued on Aug 10, 2022. Check the license (Wisconsin 16053, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Katherine Walker
- Credential
- DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 16053 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4131 W Loomis RD Ste 200, Greenfield, WI 53221
- Phone
- (414) 422-2191
- Enumerated
- Aug 10, 2022
- Record last updated
- Jan 22, 2026
- Medicaid ID
- 100213891 WI
- Medicare enrollment
- Enrolled (PECOS I20221020002249); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 6,585 in Wisconsin → Look up another NPI →
Also registered at 4131 W Loomis RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Klumpp, OTOccupational Therapist1871638015
- Alexandria Rabe, DPTPhysical Therapist1477264711
- Erica Sanchez, PTAPhysical Therapy Assistant1841829934
- Molly Schulteis, PTPhysical Therapist1760243992
- Michael Vokes, PTAPhysical Therapy Assistant1033746250
Verify Margaret Katherine Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 16053Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Independent Physicians OF Wisconsin LLCWauwatosa, WI
- Vita Physical Therapy SCWauwatosa, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Katherine Walker among 6,585 physical therapist records in Wisconsin
Margaret Katherine Walker, DPT is one of 6,585 physical therapist records with a practice address in Wisconsin. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 83% of them.
- NPI issued2022 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2022 · median 2015 among the 1,788 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
126 physical therapist records list a practice address in Greenfield
They are 126 of the 961 NPPES records with a practice address in Greenfield, and 6,585 physical therapist records in Wisconsin.
All 6,585 in Wisconsin → Every provider in Greenfield → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Beth Bartelsen, PTGreenfield, WI 532211255401493
- Jacob Bliefernicht, PTGreenfield, WI 532211962521328
- Maureen Fantazzi, PTMilwaukee, WI 532211437171519
- Andy Feld, P.T.Milwaukee, WI 532211184668626
- Michelle Ferguson, P.T.Milwaukee, WI 532211073534509
- Michael Foster, PTMilwaukee, WI 532211740483981
- Lisa Hannes, P.T.Greenfield, WI 532211033108212
- Michael Jones, P.T.Milwaukee, WI 532211538195425
Common questions
What is Margaret Katherine Walker, DPT's NPI number?
Margaret Katherine Walker, DPT's National Provider Identifier (NPI) is 1487382214, issued on Aug 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Katherine Walker, DPT located?
The NPPES record lists a practice address at 4131 W Loomis RD Ste 200, Greenfield, WI, 53221. Phone: (414) 422-2191. Providers update this record themselves, so call before visiting.
How can I verify Margaret Katherine Walker, DPT's license?
NPPES lists Wisconsin license number 16053, 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.
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.