Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mari S Johnson

Individual provider Social Worker · NPI 1225954761

Mari S Johnson is a Social Worker in Lansing, Iowa. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2026

Practice location Address checks out

370 Diagonal St
Lansing, IA 52151-7768
Phone: (563) 379-1439
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 150.129427 (IL)

Record details

NPI number1225954761
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJune 29, 2026
Last updated in NPPESJune 29, 2026
Certification dateJune 29, 2026
Mailing address370 Diagonal St, Lansing, IA 52151-7768