Samantha Dowless Barrett, PA-C
NPI 1659723195ActiveIndividual· Physician Assistant· Durham, NC
Physician Assistant (PA-C) with Duke Health Integrated Practice, Inc, practicing in Durham, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $112,533 for 370 claims, against $11,867 paid for services in 2024. Madrigal Pharmaceuticals reported $24.57 in payments in 2025, mostly food and beverage. Lists Duke University Hospital as a hospital affiliation.
Overview
| NPI | 1659723195 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Jul 8, 2016 |
| Last updated in NPPES | Apr 6, 2023 |
| Certified by provider | Apr 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 0010-06548 | NC |
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 - Physician Assistant (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 337 across 7 procedure codes |
| Paid by Medicare | $11,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 370 · 638 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $112,533 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Duke Health Integrated Practice, IncDurham, NC · 3,185 clinicians
Hospital affiliation
- Duke University HospitalDurham, NC
Industry payments (Open Payments)
- 2025$24.57 · 1 payment from 1 company
- 2024$23.67 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $24.57 | 1 |
What the 2025 payments were for
- Food and Beverage$24.57 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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