Katherine Antoinette Robertson, CNP
NPI 1407203425ActiveIndividual· Nurse Practitioner, Gerontology· Texarkana, AR
Nurse Practitioner, Gerontology (CNP) with Collom and Carney Clinic Association, practicing in Texarkana, Arkansas. Their prescriptions cost Medicare Part D more than their services did: $748,865 for 6,769 claims, against $166,960 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $588.08 in all, mostly food and beverage. Lists Christus St Michael Health System as a hospital affiliation.
Overview
| NPI | 1407203425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | Yes |
| NPI issued | May 19, 2016 |
| Last updated in NPPES | Feb 4, 2022 |
| Certified by provider | Feb 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | A004652 | AR |
| Nurse Practitioner, Gerontology | 363LG0600X | AP131089 | TX |
| Clinical Nurse Specialist, Adult Health | 364SA2200X | A004652 | AR |
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 (AR); Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 318 |
|---|---|
| Services billed | 7,851 across 51 procedure codes |
| Paid by Medicare | $166,960 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,769 · 15,094 30-day fills |
|---|---|
| Patients | 414 |
| Total drug cost | $748,865 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Collom and Carney Clinic AssociationTexarkana, TX · 51 clinicians
Hospital affiliation
- Christus St Michael Health SystemTexarkana, TX
Other facilities
- Elite Home HealthHome health agency · Nashville, AR
- Encompass Health Home HealthHome health agency · Texarkana, AR
- Enhabit Home HealthHome health agency · Longview, TX
- Onesource Home Care IncHome health agency · Longview, TX
Industry payments (Open Payments)
- 2025$588.08 · 20 payments from 12 companies
- 2024$804.86 · 49 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $147.52 | 2 |
| Novo Nordisk Inc | $98.89 | 2 |
| Abbott Laboratories | $78.23 | 1 |
| Astrazeneca Pharmaceuticals LP | $61.50 | 4 |
| Pfizer Inc. | $40.20 | 2 |
What the 2025 payments were for
- Food and Beverage$588.08 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gerontology nurse practitioners in Texarkana
- 1295731545