Stephanie B. Knight, AGACNP-BC
NPI 1518337666ActiveIndividual· Nurse Practitioner· Round Rock, TX
Nurse Practitioner (AGACNP-BC) with Mark Malone MD PA, practicing in Round Rock, Texas. Their prescriptions cost Medicare Part D more than their services did: $175,928 for 3,065 claims, against $104,932 paid for services in 2024. Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $221.31 in all, mostly food and beverage.
Overview
| NPI | 1518337666 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGACNP-BC |
| Sole proprietor | No |
| NPI issued | Oct 1, 2015 |
| Last updated in NPPES | Apr 13, 2021 |
| Certified by provider | Apr 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | AP129227 | TX |
| Nurse Practitioner, Acute Care | 363LA2100X | AP129227 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 275 |
|---|---|
| Services billed | 1,794 across 35 procedure codes |
| Paid by Medicare | $104,932 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,065 · 3,620 30-day fills |
|---|---|
| Patients | 467 |
| Total drug cost | $175,928 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mark Malone MD PARound Rock, TX · 103 clinicians
Industry payments (Open Payments)
- 2025$221.31 · 5 payments from 3 companies
- 2024$706.31 · 26 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $161.11 | 2 |
| Ucb, Inc. | $42.89 | 2 |
| Valinor Pharma, LLC | $17.31 | 1 |
What the 2025 payments were for
- Food and Beverage$221.31 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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