Kathryn Estopinal, N.P.
NPI 1194275560ActiveIndividual· Nurse Practitioner, Acute Care· Nashville, TN
Nurse Practitioner, Acute Care (N.P.) with David B. Hammer and 1 other group, practicing in Nashville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $916,214 for 480 claims, against $2,348 paid for services in 2024. Janssen Biotech, Inc. was the largest of 29 companies reporting payments in 2025, $20,359 in all, mostly speaking and faculty fees.
Overview
| NPI | 1194275560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | N.P. |
| Sole proprietor | No |
| NPI issued | Oct 10, 2016 |
| Last updated in NPPES | Mar 25, 2022 |
| Certified by provider | Mar 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 25497 | TN |
| Registered Nurse | 163W00000X | 1042751 | DC |
| Nurse Practitioner, Acute Care | 363LA2100X | 1042751 | DC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 28 across 5 procedure codes |
| Paid by Medicare | $2,348 |
Part D prescriptions in 2024
| Prescriptions (claims) | 480 · 601 30-day fills |
|---|---|
| Patients | 134 |
| Total drug cost | $916,214 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- David B. HammerTempleton, CA · 123 clinicians
- Verdi Oncology Tennessee PCNashville, TN · 31 clinicians
Industry payments (Open Payments)
- 2025$20,359 · 112 payments from 29 companies
- 2024$1,960 · 59 payments from 29 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $11,099 | 32 |
| Merck Sharp & Dohme LLC | $7,585 | 22 |
| Novartis Pharmaceuticals Corporation | $153.62 | 5 |
| Pfizer Inc. | $151.31 | 4 |
| Janssen Scientific Affairs, LLC | $143.22 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$14,130 · 10 payments
- Travel and Lodging$3,410 · 16 payments
- Food and Beverage$2,819 · 86 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Acute Care providers in Nashville
- 1861105611
- 1497158034
- 1235744541
- 1114477478
- 1154808574
- 1518570639
- 1003912437
- 1720685647
- 1942759980
- 1841651320
- 1841625423
- 1023441284