Katherine Louise Tesson, FNP-C
NPI 1205561560ActiveIndividual· Nurse Practitioner, Family· Washington, MO
Nurse Practitioner, Family (FNP-C) with Mercy Clinic Heart and Vascular LLC, practicing in Washington, Missouri. Their prescriptions cost Medicare Part D more than their services did: $185,718 for 1,424 claims, against $12,260 paid for services in 2024. Kestra Medical Technology Services, Inc. was the largest of 12 companies reporting payments in 2025, $544.33 in all, mostly food and beverage. Lists Mercy Hospital Washington as a hospital affiliation.
Overview
| NPI | 1205561560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Jul 20, 2022 |
| Last updated in NPPES | Aug 30, 2022 |
| Certified by provider | Aug 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 2022026220 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 169 |
|---|---|
| Services billed | 268 across 19 procedure codes |
| Paid by Medicare | $12,260 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,424 · 3,014 30-day fills |
|---|---|
| Patients | 385 |
| Total drug cost | $185,718 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mercy Clinic Heart and Vascular LLCSaint Louis, MO · 113 clinicians
Hospital affiliation
- Mercy Hospital WashingtonWashington, MO
Industry payments (Open Payments)
- 2025$544.33 · 22 payments from 12 companies
- 2024$327.45 · 14 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kestra Medical Technology Services, Inc. | $264.86 | 8 |
| Novo Nordisk Inc | $73.10 | 4 |
| Actelion Pharmaceuticals US, Inc. | $30.48 | 1 |
| Lundbeck LLC | $26.60 | 1 |
| Abbott Laboratories | $24.39 | 1 |
What the 2025 payments were for
- Food and Beverage$544.33 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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