Karen E. Piren, RN, APN, C
NPI 1316165095ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Lawrenceville, NJ
Nurse Practitioner, Psych/Mental Health (RN, APN, C) with Oaks Integrated Care, practicing in Lawrenceville, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $240,849 for 1,174 claims, against $5,260 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 5 companies reporting payments in 2025, $197.33 in all, mostly food and beverage.
Overview
| NPI | 1316165095 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, APN, C |
| Sole proprietor | No |
| NPI issued | Apr 20, 2007 |
| Last updated in NPPES | Jul 11, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 26NJ00012900 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 85 across 3 procedure codes |
| Paid by Medicare | $5,260 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,174 · 1,357 30-day fills |
|---|---|
| Patients | 56 |
| Total drug cost | $240,849 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Oaks Integrated CareBerlin, NJ · 32 clinicians
Industry payments (Open Payments)
- 2025$197.33 · 11 payments from 5 companies
- 2024$215.87 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $89.04 | 5 |
| Alkermes, Inc. | $35.68 | 2 |
| Teva Pharmaceuticals USA, Inc. | $34.87 | 2 |
| Janssen Pharmaceuticals, Inc | $18.94 | 1 |
| Indivior Inc. | $18.80 | 1 |
What the 2025 payments were for
- Food and Beverage$197.33 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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