Catherine M. O'Brien, FNP
NPI 1154330751ActiveIndividual· Nurse Practitioner, Family· Watertown, NY
Nurse Practitioner, Family (FNP) with Northern Nurse Practitioners-Family Health PLLC, practicing in Watertown, New York. Their prescriptions cost Medicare Part D more than their services did: $1,154,916 for 813 claims, against $174,928 paid for services in 2024. Janssen Biotech, Inc. was the largest of 15 companies reporting payments in 2025, $2,189 in all, mostly food and beverage. Lists Samaritan Medical Center as a hospital affiliation.
Overview
| NPI | 1154330751 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | May 21, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | F332600-1 | 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 | 749 |
|---|---|
| Services billed | 19,885 across 49 procedure codes |
| Paid by Medicare | $174,928 |
Part D prescriptions in 2024
| Prescriptions (claims) | 813 · 1,069 30-day fills |
|---|---|
| Patients | 340 |
| Total drug cost | $1,154,916 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Northern Nurse Practitioners-Family Health PLLCWatertown, NY · 5 clinicians
Hospital affiliation
- Samaritan Medical CenterWatertown, NY
Industry payments (Open Payments)
- 2025$2,189 · 95 payments from 15 companies
- 2024$2,927 · 124 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $486.00 | 15 |
| Pfizer Inc. | $357.41 | 21 |
| Abbvie Inc. | $307.77 | 15 |
| Regeneron Healthcare Solutions, Inc. | $257.66 | 8 |
| Ucb, Inc. | $209.73 | 8 |
What the 2025 payments were for
- Food and Beverage$2,008 · 93 payments
- Education$180.57 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 family nurse practitioners in Watertown · All family nurse practitioners in New York