Estrelita Nancy Clavio-Ziechmann, MD
NPI 1962470666ActiveIndividual· Internal Medicine, Pulmonary Disease· Charlotte, NC
Internal Medicine, Pulmonary Disease (MD) in Charlotte, North Carolina, licensed in NC, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $614,960 for 2,107 claims, against $36,460 paid for services in 2024. Genzyme Corporation was the largest of 4 companies reporting payments in 2025, $123.78 in all, mostly food and beverage.
Overview
| NPI | 1962470666 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 9, 2006 |
| Last updated in NPPES | May 1, 2024 |
| Certified by provider | May 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 9400223 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 202 |
|---|---|
| Services billed | 609 across 15 procedure codes |
| Paid by Medicare | $36,460 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,107 · 3,384 30-day fills |
|---|---|
| Patients | 287 |
| Total drug cost | $614,960 |
| Generic share | 57% of claims |
Industry payments (Open Payments)
- 2025$123.78 · 5 payments from 4 companies
- 2024$375.27 · 16 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $60.03 | 2 |
| Insmed, Inc. | $27.87 | 1 |
| Electromed, Inc. | $18.78 | 1 |
| Novartis Pharmaceuticals Corporation | $17.10 | 1 |
What the 2025 payments were for
- Food and Beverage$123.78 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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