Katrina Louise Amsler, CRNP
NPI 1619351855ActiveIndividual· Nurse Practitioner, Family· Arlington, VA
Nurse Practitioner, Family (CRNP) with Medstar Medical Group II LLC and 2 other groups, practicing in Arlington, Virginia. Their prescriptions cost Medicare Part D more than their services did: $280,737 for 1,037 claims, against $29,626 paid for services in 2024. Novo Nordisk Inc was the largest of 9 companies reporting payments in 2025, $432.22 in all, mostly food and beverage. Lists Medstar Good Samaritan Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1619351855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Jul 17, 2015 |
| Last updated in NPPES | Apr 4, 2025 |
| Certified by provider | Apr 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | SP015117 | PA |
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 (MD); Practitioner - Nurse Practitioner (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 129 |
|---|---|
| Services billed | 463 across 22 procedure codes |
| Paid by Medicare | $29,626 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,037 · 1,837 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $280,737 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Butler Medical ProvidersButler, PA · 360 clinicians
- Medstar Heart Institute LLCBaltimore, MD · 301 clinicians
Hospital affiliations
- Medstar Good Samaritan HospitalBaltimore, MD
- Medstar Union Memorial HospitalBaltimore, MD
Industry payments (Open Payments)
- 2025$432.22 · 19 payments from 9 companies
- 2024$891.28 · 49 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $154.48 | 5 |
| Pfizer Inc. | $99.67 | 4 |
| Scpharmaceuticals Inc. | $76.56 | 4 |
| Impulse Dynamics (USA) Inc. | $27.82 | 1 |
| Actelion Pharmaceuticals US, Inc. | $23.36 | 1 |
What the 2025 payments were for
- Food and Beverage$432.22 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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