Hali Duus, RN, OCN, AGPCNP-BC
Nurse Practitioner, Adult Health (RN, OCN, AGPCNP-BC) with Stamford Health Medical Group Inc and 1 other group, practicing in Stamford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $148,802 for 139 claims, against $7,031 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $269.26 in all, mostly food and beverage. Lists Stamford Hospital as a hospital affiliation.
Overview
| NPI | 1639868995 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, OCN, AGPCNP-BC |
| Sole proprietor | No |
| NPI issued | May 3, 2023 |
| Last updated in NPPES | Jun 9, 2026 |
| Certified by provider | Jun 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 12733 | CT |
| Nurse Practitioner, Adult Health | 363LA2200X | 2020042582 | NY |
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 | 87 |
|---|---|
| Services billed | 118 across 3 procedure codes |
| Paid by Medicare | $7,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 139 · 176 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $148,802 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
- Hematology Oncology PCStamford, CT · 13 clinicians
Hospital affiliation
- Stamford HospitalStamford, CT
Industry payments (Open Payments)
- 2025$269.26 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $158.66 | 4 |
| Celgene Corporation | $94.54 | 4 |
| E.R. Squibb & Sons, L.L.C. | $16.06 | 1 |
What the 2025 payments were for
- Food and Beverage$170.26 · 8 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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