Charla Wurster Knapp, NP
NPI 1083851026ActiveIndividual· Nurse Practitioner, Family· Natchez, MS
Nurse Practitioner, Family (NP) in Natchez, Mississippi, licensed in MS, with an NPI issued in January 2009. Their prescriptions cost Medicare Part D more than their services did: $317,096 for 3,763 claims, against $7,640 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 9 companies reporting payments in 2025, $245.79 in all, mostly food and beverage.
Overview
| NPI | 1083851026 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jan 13, 2009 |
| Last updated in NPPES | Mar 4, 2021 |
| Certified by provider | Mar 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 785451 | MS |
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) | Enrolled Practitioner - Nurse Practitioner (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 434 across 35 procedure codes |
| Paid by Medicare | $7,640 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,763 · 7,553 30-day fills |
|---|---|
| Patients | 577 |
| Total drug cost | $317,096 |
| Generic share | 87% of claims |
Industry payments (Open Payments)
- 2025$245.79 · 10 payments from 9 companies
- 2024$135.78 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $91.51 | 2 |
| Abbvie Inc. | $23.55 | 1 |
| Abiomed | $21.93 | 1 |
| Abbott Laboratories | $21.48 | 1 |
| Exact Sciences Corporation | $21.19 | 1 |
What the 2025 payments were for
- Food and Beverage$245.79 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 family nurse practitioners in Natchez · All family nurse practitioners in Mississippi