NPPES file of Aug 9, 2026

Warren Clark Johnson, LISW

Social Worker · Des Moines, IA

Warren Clark Johnson, LISW is a social worker with a practice address in Des Moines, Iowa, and NPI 1912151267, issued on Nov 13, 2008. Check the license (Iowa 05797, as entered in NPPES) with the Iowa 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
1912151267
Name
Warren Clark Johnson
Credential
LISW
Primary taxonomy
Social Worker 104100000X
License number
05797 IA
Self-reported in NPPES; status is on the state search
Practice location
1750 48TH St, Des Moines, IA 50310
Phone
(515) 271-6300
Enumerated
Nov 13, 2008
Record last updated
Feb 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(515) 271-6311
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 1,157 in Iowa → Look up another NPI →

Also registered at 1750 48TH St

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

  1. Barbara Appleby, LISWSocial Worker1861583742
  2. Nicholas Crowl, LMSWSocial Worker1710803929
  3. James Dennert, MDPsychiatry Physician1144325663
  4. Joyce Feddersen, LMHCMental Health Counselor1033201389
  5. Jerome Greenfield, MDPsychiatry Physician1467557884
  6. William Jagiello, DOFamily Medicine Physician1497764005

Verify Warren Clark Johnson 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 05797    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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Warren Clark Johnson among 1,157 social worker records in Iowa

Warren Clark Johnson, 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 not. Its NPI, issued in 2008, is newer than 18% of them.

  • NPI issued2008 · 18% of these records are older, 77% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileNo · 18% of these records are
  • Record last updated2010 · 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).

198 social worker records list a practice address in Des Moines

They are 198 of the 5,538 NPPES records with a practice address in Des Moines, and 1,157 social worker records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,157 in Iowa → Every provider in Des Moines → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. Barbara Appleby, LISWDes Moines, IA 503101861583742
  2. Brandi Austin, LISWDes Moines, IA 503101104071521
  3. Barbara Blando, MSW LMSWDes Moines, IA 503101932292083
  4. Mary Chicoine, ACSW LISWDes Moines, IA 503101437251824
  5. Lauren Godbey, LMSWDes Moines, IA 503101588813422
  6. Nancy Kelinson, LISWDes Moines, IA 503101366534612
  7. Bonnie Mikelson, LISWDes Moines, IA 503101538251814
  8. Kathleen Moore, LISWDes Moines, IA 503101386736403

Common questions

What is Warren Clark Johnson, LISW's NPI number?

Warren Clark Johnson, LISW's National Provider Identifier (NPI) is 1912151267, issued on Nov 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Warren Clark Johnson, LISW located?

The NPPES record lists a practice address at 1750 48TH St, Des Moines, IA, 50310. Phone: (515) 271-6300. Providers update this record themselves, so call before visiting.

How can I verify Warren Clark Johnson, LISW's license?

NPPES lists Iowa license number 05797, 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. 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.