Karin Verna Nystrom, APRN
NPI 1710978275ActiveIndividual· Clinical Nurse Specialist· New Haven, CT
Clinical Nurse Specialist (APRN) with Yale University, practicing in New Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $27,545 for 89 claims, against $2,715 paid for services in 2024. Microtransponder, Inc. was the largest of 2 companies reporting payments in 2025, $960.57 in all, mostly food and beverage. Lists Lawrence & Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1710978275 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Nov 3, 2005 |
| Last updated in NPPES | Mar 17, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Clinical Nurse Specialist Primary | 364S00000X | 002154 | CT |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 35 across 4 procedure codes |
| Paid by Medicare | $2,715 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 131 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $27,545 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Lawrence & Memorial HospitalNew London, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$960.57 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Microtransponder, Inc. | $774.11 | 4 |
| Medtronic, Inc. | $186.46 | 3 |
What the 2025 payments were for
- Food and Beverage$738.29 · 6 payments
- Travel and Lodging$222.28 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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