Hilary Sullivan, APRN
NPI 1528692480ActiveIndividual· Nurse Practitioner, Family· Wallingford, CT
Nurse Practitioner, Family (APRN) with Park Avenue Medical, practicing in Wallingford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $428,136 for 1,182 claims, against $6,364 paid for services in 2024. Abbvie Inc. was the largest of 24 companies reporting payments in 2025, $4,373 in all, mostly food and beverage.
Overview
| NPI | 1528692480 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Feb 28, 2020 |
| Last updated in NPPES | Jun 21, 2023 |
| Certified by provider | Jun 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 8748 | 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 | 28 |
|---|---|
| Services billed | 82 across 8 procedure codes |
| Paid by Medicare | $6,364 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,182 · 1,915 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $428,136 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Park Avenue MedicalWallingford, CT · 4 clinicians
Industry payments (Open Payments)
- 2025$4,373 · 196 payments from 24 companies
- 2024$4,085 · 231 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $655.08 | 31 |
| Viiv Healthcare Company | $614.88 | 18 |
| Indivior Inc. | $432.06 | 24 |
| Axsome Therapeutics, Inc. | $355.27 | 22 |
| Lilly USA, LLC | $314.47 | 9 |
What the 2025 payments were for
- Food and Beverage$4,373 · 196 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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