Katherine Ann Jones, APRN
NPI 1972229987ActiveIndividual· Nurse Practitioner· O Fallon, IL
Nurse Practitioner (APRN) with Mercy Clinic Neurology, LLC, practicing in O Fallon, Illinois. Their prescriptions cost Medicare Part D more than their services did: $37,593 for 273 claims, against $3,657 paid for services in 2024. Pfizer Inc. was the largest of 4 companies reporting payments in 2025, $405.20 in all, mostly food and beverage. Lists Mercy Hospital South as a hospital affiliation.
Overview
| NPI | 1972229987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Oct 12, 2022 |
| Last updated in NPPES | Nov 21, 2022 |
| Certified by provider | Nov 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 209026207 | IL |
| Registered Nurse | 163W00000X | 041511541 | IL |
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 (IL); Practitioner - Nurse Practitioner (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 57 |
|---|---|
| Services billed | 62 across 7 procedure codes |
| Paid by Medicare | $3,657 |
Part D prescriptions in 2024
| Prescriptions (claims) | 273 · 455 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $37,593 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mercy Clinic Neurology, LLCSaint Louis, MO · 20 clinicians
Hospital affiliation
- Mercy Hospital SouthSaint Louis, MO
Industry payments (Open Payments)
- 2025$405.20 · 44 payments from 4 companies
- 2024$96.76 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $337.57 | 40 |
| Abbvie Inc. | $35.65 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $18.38 | 1 |
| Teva Pharmaceuticals USA, Inc. | $13.60 | 1 |
What the 2025 payments were for
- Food and Beverage$405.20 · 44 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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