NPPES file of Aug 9, 2026

Sidney Wallis, DPT

Physical Therapist · Flushing, MI

Sidney Wallis, DPT is a physical therapist with a practice address in Flushing, Michigan, and NPI 1164392122, issued on Nov 6, 2025. Check the license (Michigan 5501304139, as entered in NPPES) with the Michigan 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
1164392122
Name
Sidney Wallis
Credential
DPT
Primary taxonomy
Physical Therapist 225100000X
License number
5501304139 MI
Self-reported in NPPES; status is on the state search
Practice location
209 S Cherry St, Flushing, MI 48433
Phone
(810) 487-9733
Enumerated
Nov 6, 2025
Record last updated
Nov 6, 2025
Fax
(810) 867-4938
Medicare enrollment
Enrolled (PECOS I20251202000294); 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 physical therapist records → All 9,592 in Michigan → Look up another NPI →

Also registered at 209 S Cherry St

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

  1. Austin BruffAthletic Trainer1689474124
  2. Andrew CataldoAthletic Trainer1922709336
  3. Raymond Dorhout, RPHPharmacist1083784276
  4. Alex Fryzel, DPTPhysical Therapist1588524482
  5. Curtis Hook, DPTPhysical Therapist1689341703
  6. Hannah Karczewski, PT, DPTNeurology Physical Therapist1588384291

Verify Sidney Wallis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 5501304139    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 Michigan 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. Primary Prevention Physiotherapy PLLCFlushing, MI

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

Sidney Wallis among 9,592 physical therapist records in Michigan

Sidney Wallis, DPT is one of 9,592 physical therapist records with a practice address in Michigan. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 95% of them.

  • NPI issued2025 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 32% of these records are
  • Graduated2025 · median 2015 among the 3,075 with a school on file
  • Record last updated2025 · 68% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 physical therapist records list a practice address in Flushing

They are 15 of the 719 NPPES records with a practice address in Flushing, and 9,592 physical therapist records in Michigan.

All 9,592 in Michigan → Every provider in Flushing → Physical Therapist nationwide →

The 8 physical therapist records with the nearest ZIP codes

  1. Matthew Callahan, PT, DPTFlushing, MI 484331952843773
  2. Michael Causin, MPTFlushing, MI 484331467662510
  3. Jay Claypool, PTFlushing, MI 484331992816961
  4. Brenda Cookingham, PTFlushing, MI 484331740495332
  5. Duane Graves, MPTFlushing, MI 484331538375472
  6. Michelle HellebuyckFlushing, MI 484331558602466
  7. Curtis Hook, DPTFlushing, MI 484331689341703
  8. Subhasis MohantyFlushing, MI 484331053535385

Common questions

What is Sidney Wallis, DPT's NPI number?

Sidney Wallis, DPT's National Provider Identifier (NPI) is 1164392122, issued on Nov 6, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Sidney Wallis, DPT located?

The NPPES record lists a practice address at 209 S Cherry St, Flushing, MI, 48433. Phone: (810) 487-9733. Providers update this record themselves, so call before visiting.

How can I verify Sidney Wallis, DPT's license?

NPPES lists Michigan license number 5501304139, as entered by the provider. Search the Michigan 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.