Registry data as of Aug 27, 2026

Maddix Bartz

Speech-Language Pathologist · Oshkosh, WI

Maddix Bartz is a speech-language pathologist with a practice address in Oshkosh, Wisconsin, and NPI 1629960026, issued on Jul 18, 2025. Check the license with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1629960026
Name
Maddix Bartz
Primary taxonomy
Speech-Language Pathologist 235Z00000X
Practice location
225 N Eagle St, Oshkosh, WI 54902
Phone
(920) 235-3454
Enumerated
Jul 18, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 225 N Eagle St

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

  1. Barry Brewer, R.PH.Pharmacist1639434483
  2. Malery Robl, COTAOccupational Therapy Assistant1952841504

Verify Maddix Bartz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck 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.

35 speech-language pathologist records list a Oshkosh practice address

They are 35 of the 1,527 NPPES records with a Oshkosh practice address, and 3,781 speech-language pathologist records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other speech-language pathologist records in Wisconsin

  1. Cathy (wilson) Pettibone, MS/CCC-SLPStoughton, WI1417339250
  2. Ashley AbelBrookfield, WI1235811886
  3. Amy Abraham, MS, CCC-SLPFond Du Lac, WI1578492070
  4. Kirstin Abrams, M.S.Milwaukee, WI1366727067
  5. Jeanine AchtelKenosha, WI1497324438
  6. Allison AckermanMadison, WI1134319734
  7. Samantha AckermanMilton, WI1083550271
  8. Jennie Adams, M.S. CCC-SLPAshland, WI1447627518
  9. Martha Adams, MA,CCC-SLPWaukesha, WI1073857520
  10. Tara Adams, MA,CCC-SLPFitchburg, WI1285011296

Common questions

What is Maddix Bartz's NPI number?

Maddix Bartz's National Provider Identifier (NPI) is 1629960026, issued on Jul 18, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Maddix Bartz located?

The NPPES record lists a practice address at 225 N Eagle St, Oshkosh, WI, 54902. Phone: (920) 235-3454. Providers update this record themselves, so call before visiting.

How can I verify Maddix Bartz's license?

Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.