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

Mrs. Marissa Marie Larson, LISW

Individual provider Clinical Social Worker · NPI 1235842626

Mrs. Marissa Marie Larson, LISW is a Clinical Social Worker in Clarion, Iowa. Qualified in 2022, 4 years ago. Licensed in Iowa.

Years since qualifying
4
Licensed in
IA
In the registry since
2022
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

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Practice location Address checks out

1316 S Main St
Clarion, IA 50525-2019
Phone: (515) 532-2811
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X (IA)

Record details

NPI number1235842626
Entity typeIndividual (Type 1)
GenderFemale
Credentials LISW
Sole proprietorNo
NPI enumeratedDecember 30, 2022
Last updated in NPPESSeptember 2, 2025
Certification dateSeptember 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated

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