NPPES file of Aug 9, 2026

Linda J. Schumaker, LISW

Social Worker · Mason City, IA

Linda J. Schumaker, LISW is a social worker with a practice address in Mason City, Iowa, and NPI 1376808535, issued on Jul 12, 2012. Check the license (Iowa 05893, as entered in NPPES) with the Iowa 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
1376808535
Name
Linda J. Schumaker
Credential
LISW
Primary taxonomy
Social Worker 104100000X
License number
05893 IA
Self-reported in NPPES; status is on the state search
Practice location
103 E State St Ste 301, Mason City, IA 50401
Phone
(641) 421-2089
Enumerated
Jul 12, 2012
Record last updated
Nov 6, 2025
Medicare enrollment
Enrolled (PECOS I20250728003680); 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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Also registered at 103 E State St Ste 301

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

  1. Michelle Boldt, LMHC-TProfessional Counselor1538768593
  2. Lindsey Craighton, LISWSocial Worker1295701514
  3. Jessalyn Frenz, LMSWSocial Worker1558045286
  4. Sarah Hynes-Despenas, LMHC-TMental Health Counselor1407734445
  5. Sarah Morrison, LMHCMental Health Counselor1770876005
  6. Miriam RavelingMental Health Counselor1811775208

Verify Linda J. Schumaker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 05893
    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 Iowa 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. Turning Leaf Counseling IncMason City, IA

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

Linda J. Schumaker among 1,157 social worker records in Iowa

Linda J. Schumaker, LISW is one of 1,157 social worker records with a practice address in Iowa. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 30% of them.

  • NPI issued2012 · 30% of these records are older, 67% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated1992 · median 2012 among the 207 with a school on file
  • Record last updated2025 · 49% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 social worker records list a practice address in Mason City

They are 34 of the 866 NPPES records with a practice address in Mason City, and 1,157 social worker records in Iowa.

The 8 social worker records with the nearest ZIP codes

  1. Janice Albright, LBSWMason City, IA 504011972616225
  2. James Anastasi, M.S.Mason City, IA 504011770648180
  3. Kathy Anastasi, M.S.Mason City, IA 504011619032018
  4. Lindsey Craighton, LISWMason City, IA 504011295701514
  5. Muriel Hess, LISWMason City, IA 504011083812846
  6. Joyce Krukow, LISWMason City, IA 504011841322468
  7. Raymond Lang, LISWMason City, IA 504011629086186
  8. Paula Linnevold, LISWMason City, IA 504011992812044

Common questions

What is Linda J. Schumaker, LISW's NPI number?

Linda J. Schumaker, LISW's National Provider Identifier (NPI) is 1376808535, issued on Jul 12, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Linda J. Schumaker, LISW located?

The NPPES record lists a practice address at 103 E State St Ste 301, Mason City, IA, 50401. Phone: (641) 421-2089. Providers update this record themselves, so call before visiting.

How can I verify Linda J. Schumaker, LISW's license?

NPPES lists Iowa license number 05893, as entered by the provider. Search the Iowa 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.