NPPES file of Aug 9, 2026

Derek Manz, OT

Occupational Therapist · Green Bay, WI

Derek Manz, OT is an occupational therapist with a practice address in Green Bay, Wisconsin, and NPI 1659722122, issued on Jun 27, 2016. Check the license (Wisconsin 5591-26, 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
1659722122
Name
Derek Manz
Credential
OT
Primary taxonomy
Occupational Therapist 225X00000X
License number
5591-26 WI
Self-reported in NPPES; status is on the state search
Practice location
1160 Kepler Dr, Green Bay, WI 54311
Phone
(920) 288-8450
Enumerated
Jun 27, 2016
Record last updated
Jun 27, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250417001251); 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 1160 Kepler Dr

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

  1. Haley Babler, LAT, ATCAthletic Trainer1992185375
  2. Alan BartaPhysician Assistant1548930340
  3. Michelle Barth, MA, LPCMental Health Counselor1952914780
  4. Nicole Behnke, OTR/LOccupational Therapist1851068001
  5. Cynthia Beishir, LCSWClinical Social Worker1225108178
  6. Michaela Bemis, OTOccupational Therapist1497459176

Verify Derek Manz 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 5591-26    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. Hand TO Shoulder Center OF Wisconsin, Ltd.Appleton, WI

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

Derek Manz among 3,827 occupational therapist records in Wisconsin

Derek Manz, 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 2016, is newer than 59% of them.

  • NPI issued2016 · 59% of these records are older, 38% newer
  • In a Medicare fileYes · 10% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2014 · median 2013 among the 437 with a school on file
  • Record last updated2016 · 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).

148 occupational therapist records list a practice address in Green Bay

They are 148 of the 4,619 NPPES records with a practice address in Green Bay, and 3,827 occupational therapist records in Wisconsin.

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

The 8 occupational therapist records with the nearest ZIP codes

  1. Aliza Buyarski, OTGreen Bay, WI 543111982899183
  2. Carrie Doine, O.T.R.Green Bay, WI 543111568611614
  3. Deanna Doraiswamy, OTGreen Bay, WI 543111104191824
  4. Valarie Eggleston, OTRGreen Bay, WI 543111790874725
  5. Robin Frenzel, OTRGreen Bay, WI 543111801063193
  6. Meghan Hawley, OTRGreen Bay, WI 543111922259746
  7. Joy Laga, OTRGreen Bay, WI 543111295993566
  8. Jenifer Nagel, OTGreen Bay, WI 543111952315061

Common questions

What is Derek Manz, OT's NPI number?

Derek Manz, OT's National Provider Identifier (NPI) is 1659722122, issued on Jun 27, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Derek Manz, OT located?

The NPPES record lists a practice address at 1160 Kepler Dr, Green Bay, WI, 54311. Phone: (920) 288-8450. Providers update this record themselves, so call before visiting.

How can I verify Derek Manz, OT's license?

NPPES lists Wisconsin license number 5591-26, 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.