NANCY ANN THIEMAN (LISW) – Clinical Social Worker, NPI 1699095919
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
827 CLINICAL SOCIAL WORKER in IA
Provider Addresses for NANCY ANN THIEMAN (LISW)
625 COURT STREET
SIOUX CITY, IA 511011919
Phone: (712) 252-3871
Fax: (712) 252-3157
Type: Location
917 W 21ST ST
SOUTH SIOUX CITY, NE 687762652
Phone: (402) 494-3337
Fax: (402) 494-3356
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.
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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: 2012-02-16
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 |
|---|---|---|---|---|
| I20120216000473 | I | Clinical Social Worker | IA | 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 |
|---|---|---|---|---|
| 90834 | Psychotherapy, 45 minutes | 51 | 27 | $0 |
Insurance plans in this area (ZIP 51101)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | NE | |
| Clinical Social Worker | IA | |
| - | IA | |
| Clinical Social Worker | IA | |
| Mental Health Counselor | IA | |
| Mental Health Counselor | SD | |
| Mental Health Counselor | OH | |
| Certified Clinical Nurse Specialist (Cns) | IA | |
| Mental Health Counselor | NE | |
| Clinical Social Worker | NE |
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