Addison Johnson, LISW
Clinical Social Worker · Mason City, IA
Addison Johnson, LISW is a clinical social worker with a practice address in Mason City, Iowa, and NPI 1437019049, issued on Nov 15, 2025. Check the license (Iowa 113626, 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.
- Name
- Addison Johnson
- Credential
- LISW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 113626 IA
Self-reported in NPPES; status is on the state search - Practice location
- 520 S Pierce Ave Ste 213, Mason City, IA 50401
- Phone
- (501) 690-9854
- Enumerated
- Nov 15, 2025
- Record last updated
- Nov 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20260325001403); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 2,170 in Iowa → Look up another NPI →
Also registered at 520 S Pierce Ave Ste 213
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Addison Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 113626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Addison Johnson among 2,170 clinical social worker records in Iowa
Addison Johnson, LISW is one of 2,170 clinical social worker records with a practice address in Iowa. 17% 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 2025, is newer than 91% of them.
- NPI issued2025 · 91% of these records are older, 4% newer
- In a Medicare fileNo · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated2022 · median 2011 among the 528 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 1041C0700X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 clinical social worker records list a practice address in Mason City
They are 33 of the 866 NPPES records with a practice address in Mason City, and 2,170 clinical social worker records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,170 in Iowa → Every provider in Mason City → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Vickey Basgall, LISWMason City, IA 504011962510669
- Michael Benak, LISWMason City, IA 504011184763922
- Connie Bleile, LISWMason City, IA 504011538338470
- Douglas Brink, LISW, LMFTMason City, IA 504011023013174
- Mary Christianson, LISW, RPT-SMason City, IA 504011558417782
- Angela Irvin, LISWMason City, IA 504011407863772
- Lisa JahnelMason City, IA 504011669634556
- Pamela Little, LISWMason City, IA 504011811089071
Common questions
What is Addison Johnson, LISW's NPI number?
Addison Johnson, LISW's National Provider Identifier (NPI) is 1437019049, issued on Nov 15, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Addison Johnson, LISW located?
The NPPES record lists a practice address at 520 S Pierce Ave Ste 213, Mason City, IA, 50401. Phone: (501) 690-9854. Providers update this record themselves, so call before visiting.
How can I verify Addison Johnson, LISW's license?
NPPES lists Iowa license number 113626, 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.
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.