Nancy Lou Dierenfield, D.C.
NPI 1649486325ActiveIndividual· Chiropractor· Sioux City, IA
Chiropractor (D.C.) in Sioux City, Iowa, licensed in IA, NE and CO, with an NPI issued in May 2007.
Overview
| NPI | 1649486325 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.C. |
| Sole proprietor | Yes |
| NPI issued | May 16, 2007 |
| Last updated in NPPES | Aug 7, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Chiropractor Primary | 111N00000X | A05431 | IA |
| Chiropractor | 111N00000X | 947 | NE |
| Chiropractor | 111N00000X | 4906 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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