NPPES file of Aug 9, 2026

Jeffrey Lee Steffen, LCSW, MSW

Clinical Social Worker · Neenah, WI

Jeffrey Lee Steffen, LCSW, MSW is a clinical social worker with a practice address in Neenah, Wisconsin, and NPI 1104487024, issued on Jun 21, 2019. Check the license (Wisconsin 9857-123, 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
1104487024
Name
Jeffrey Lee Steffen
Credential
LCSW, MSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
9857-123 WI
130766 WI
Self-reported in NPPES; status is on the state search
Practice location
333 N Green Bay RD, Neenah, WI 54956
Phone
(920) 720-2300
Enumerated
Jun 21, 2019
Record last updated
Apr 22, 2025
Medicare enrollment
Enrolled (PECOS I20230207000543); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 333 N Green Bay RD

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

  1. Curtis Baltz, MDInternal Medicine Physician1316939325
  2. Eva Baugnet, PAPhysician Assistant1528683588
  3. Christian Beck, PHARM.D.Pharmacist1871978122
  4. Michael Beckett, MDInternal Medicine Physician1417941337
  5. Hannah BurtonPhysician Assistant1558026419
  6. Rachael Callahan, PA-CPhysician Assistant1992097315

Verify Jeffrey Lee Steffen 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 9857-123
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Thedacare, IncorporatedMenasha, WI

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

Jeffrey Lee Steffen among 4,142 clinical social worker records in Wisconsin

Jeffrey Lee Steffen, LCSW, MSW is one of 4,142 clinical social worker records with a practice address in Wisconsin. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 65% of them.

  • NPI issued2019 · 65% of these records are older, 31% newer
  • In a Medicare fileYes · 22% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated2017 · median 2010 among the 1,186 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 clinical social worker records list a practice address in Neenah

They are 22 of the 919 NPPES records with a practice address in Neenah, and 4,142 clinical social worker records in Wisconsin.

The 8 clinical social worker records with the nearest ZIP codes

  1. Joshua Alan, LCSWNeenah, WI 549561447719463
  2. Danel BurchbyNeenah, WI 549561104004951
  3. Nicole HernandezNeenah, WI 549561407916323
  4. Alyssa HuinkerNeenah, WI 549561417418286
  5. Brittney KingNeenah, WI 549561023484391
  6. Steven Kirkilas, LCSWNeenah, WI 549561245584887
  7. Marie Nesemann, LCSWNeenah, WI 549561003968124
  8. Leigha Perlewitz, LCSWNeenah, WI 549561891348439

Common questions

What is Jeffrey Lee Steffen, LCSW, MSW's NPI number?

Jeffrey Lee Steffen, LCSW, MSW's National Provider Identifier (NPI) is 1104487024, issued on Jun 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Lee Steffen, LCSW, MSW located?

The NPPES record lists a practice address at 333 N Green Bay RD, Neenah, WI, 54956. Phone: (920) 720-2300. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Lee Steffen, LCSW, MSW's license?

NPPES lists Wisconsin license number 9857-123, 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.