MICHAEL A LARSON (LICSW) – Clinical Social Worker, NPI 1154829497
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,310 CLINICAL SOCIAL WORKER in MN
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Provider Addresses for MICHAEL A LARSON (LICSW)
1212, East College Drive, Marshall, Lyon County, Minnesota, 56258, United States
MARSHALL, MN 562582010
Phone: (507) 532-3236
Fax: (507) 532-0240
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-04-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20180427002139 | I | Clinical Social Worker | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90837 | Psychotherapy, 1 hour | 57 | 13 | $0 |
Insurance plans in this area (ZIP 56258)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | KY | |
| Mental Health Counselor | MN | |
| Marriage And Family Therapist | MN | |
| - | MN | |
| Clinical Social Worker | MN | |
| Mental Health Counselor | MN | |
| Nurse Practitioner | MN | |
| Clinical Social Worker | SD | |
| Mental Health Counselor | MN | |
| Nurse Practitioner | MN |
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