Marissa Marie Larson, LISW
Clinical Social Worker · Clarion, IA
Marissa Marie Larson, LISW is a clinical social worker with a practice address in Clarion, Iowa, and NPI 1235842626, issued on Dec 30, 2022. Check the license with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marissa Marie Larson
- Credential
- LISW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 1316 S Main St, Clarion, IA 50525
- Phone
- (515) 532-2811
- Enumerated
- Dec 30, 2022
- Record last updated
- Sep 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20250812002655); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 2,170 in Iowa → Look up another NPI →
Also registered at 1316 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Benjamin Becker, P.A.Medical Physician Assistant1124413307
- Jacob Boll, CRNACertified Registered Nurse Anesthetist1750053351
Verify Marissa Marie Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marissa Marie Larson among 2,170 clinical social worker records in Iowa
Marissa Marie Larson, 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 2022, is newer than 76% of them.
- NPI issued2022 · 76% of these records are older, 20% 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).
5 clinical social worker records list a practice address in Clarion
They are 5 of the 88 NPPES records with a practice address in Clarion, 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 Clarion → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Jillian Carpenter, L.I.S.W.Clarion, IA 505251982069035
- Kris Marvin, LISWClarion, IA 505251700871225
- Susan Marvin, LISWClarion, IA 505251285629709
- Emily McGuireClarion, IA 505251386122646
- Sandra Pelzer, LISWEmmetsburg, IA 505361073562914
- Teresa Wilkinson, LISWEmmetsburg, IA 505361356561781
- Kathy Dearchs, LISWAlgona, IA 505111508140039
- Mary Hanson, L.I.S.W.Algona, IA 505111962481762
Common questions
What is Marissa Marie Larson, LISW's NPI number?
Marissa Marie Larson, LISW's National Provider Identifier (NPI) is 1235842626, issued on Dec 30, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Marie Larson, LISW located?
The NPPES record lists a practice address at 1316 S Main St, Clarion, IA, 50525. Phone: (515) 532-2811. Providers update this record themselves, so call before visiting.
How can I verify Marissa Marie Larson, LISW's license?
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.