Ellen Karwacki, NPP
NPI 1083604938ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Utica, NY
Nurse Practitioner, Psych/Mental Health (NPP) with Mvhs Inc and 1 other group, practicing in Utica, New York. Their prescriptions cost Medicare Part D more than their services did: $99,160 for 1,546 claims, against $51,918 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 8 companies reporting payments in 2025, $1,386 in all, mostly food and beverage. Lists Wynn Hospital as a hospital affiliation.
Overview
| NPI | 1083604938 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NPP |
| Sole proprietor | No |
| NPI issued | Oct 24, 2005 |
| Last updated in NPPES | Jul 21, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | F400748-1 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 942 across 11 procedure codes |
| Paid by Medicare | $51,918 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,546 · 1,841 30-day fills |
|---|---|
| Patients | 275 |
| Total drug cost | $99,160 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Mvhs IncUtica, NY · 334 clinicians
- New Hartford Psychiatric Services PLLCWhitesboro, NY · 5 clinicians
Hospital affiliation
- Wynn HospitalUtica, NY
Industry payments (Open Payments)
- 2025$1,386 · 31 payments from 8 companies
- 2024$571.78 · 17 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $429.62 | 8 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $298.90 | 9 |
| Alkermes, Inc. | $256.67 | 3 |
| E.R. Squibb & Sons, L.L.C. | $146.38 | 4 |
| Neurocrine Biosciences, Inc. | $90.78 | 3 |
What the 2025 payments were for
- Food and Beverage$1,386 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 psychiatric nurse practitioners in Utica · All psychiatric nurse practitioners in New York