NPPES file of Aug 9, 2026

Rachel Mason, APSW, CSAC

Social Worker · Wauwatosa, WI

Rachel Mason, APSW, CSAC is a social worker with a practice address in Wauwatosa, Wisconsin, and NPI 1548093024, issued on Aug 21, 2024. Check the license (Wisconsin 135239, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548093024
Name
Rachel Mason
Credential
APSW, CSAC
Primary taxonomy
Social Worker 104100000X
License numbers
135239 WI
17162 WI
Self-reported in NPPES; status is on the state search
Practice location
4025 N 92ND St, Wauwatosa, WI 53222
Phone
(414) 435-1115
Enumerated
Aug 21, 2024
Record last updated
Jun 22, 2026
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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8 nearest social worker records → All 1,915 in Wisconsin → Look up another NPI →

Also registered at 4025 N 92ND St

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

  1. Khalid Al Abdul Raheem, B.SAnesthesiology Physician1306112305
  2. Laurie Amundsen, MDAnesthesiology Physician1689890816
  3. Ramiro Arteaga, MS, LPCProfessional Counselor1518584788
  4. Vikram BamraDiagnostic Radiology Physician1952569667
  5. Afton Bartol, LPC-ITMental Health Counselor1033063953
  6. Craig Cook, MDAnesthesiology Physician1003070095

Verify Rachel Mason 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 135239    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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Rachel Mason among 1,915 social worker records in Wisconsin

Rachel Mason, APSW, CSAC is one of 1,915 social worker records with a practice address in Wisconsin. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 82% of them.

  • NPI issued2024 · 82% of these records are older, 12% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Social Worker providers in Wisconsin

There are 1,915 social worker records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,915 in Wisconsin → Every provider in Wauwatosa → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. Jodi Bertschinger, APSWWauwatosa, WI 532221700121647
  2. Cynthia Donner, MS, LPC, SAC-ITWauwatosa, WI 532221396025417
  3. Sandra Dykstra, MSSWMilwaukee, WI 532221972961308
  4. Tim GroveMilwaukee, WI 532221568638013
  5. Mya Harris, LCSWWauwatosa, WI 532221053782003
  6. Aimee Hay, LCSWWauwatosa, WI 532221689809337
  7. Nils JohansenMilwaukee, WI 532221659868693
  8. Christine Krzyston, APSWWauwatosa, WI 532221669016408

Common questions

What is Rachel Mason, APSW, CSAC's NPI number?

Rachel Mason, APSW, CSAC's National Provider Identifier (NPI) is 1548093024, issued on Aug 21, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Mason, APSW, CSAC located?

The NPPES record lists a practice address at 4025 N 92ND St, Wauwatosa, WI, 53222. Phone: (414) 435-1115. Providers update this record themselves, so call before visiting.

How can I verify Rachel Mason, APSW, CSAC's license?

NPPES lists Wisconsin license number 135239, 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. 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.