MATTHEW J SIEKKINEN (LCSW) – Clinical Social Worker, NPI 1003308768
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,711 CLINICAL SOCIAL WORKER in IN
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Provider Addresses for MATTHEW J SIEKKINEN (LCSW)
240, North Tillotson Avenue, Muncie, Delaware County, Indiana, 47304, United States
MUNCIE, IN 473043988
Phone: (765) 288-1928
Type: Mailing
West University Avenue, Muncie, Delaware County, Indiana, 47304, United States
MUNCIE, IN 473033428
Phone: (765) 751-1701
Type: Location
239 HILLSDALE AVE
GREENCASTLE, IN 461351340
Phone: (765) 653-1024
Type: Location
2401 W University Ave Fl 3
Muncie, IN 473033428
Phone: (765) 751-1701
Type: Location
620 8TH AVE
TERRE HAUTE, IN 478042771
Phone: (812) 231-8323
Type: Mailing
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: 2025-12-22
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 |
|---|---|---|---|---|
| I20251222000146 | I | Clinical Social Worker | IN | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 47304)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| - | IN | |
| Clinical Social Worker | IN | |
| Nurse Practitioner | IN | |
| Marriage And Family Therapist | IN | |
| - | IN | |
| Clinical Social Worker | IN | |
| Clinical Social Worker | IN | |
| Clinical Social Worker | IN | |
| Clinical Social Worker | IN |
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