Susan Christine Duffy, PA-C
NPI 1376617175ActiveIndividual· Physician Assistant· Bellevue, WA
Physician Assistant (PA-C) with Clive M Liu MD PLLC, practicing in Bellevue, Washington. Their prescriptions cost Medicare Part D more than their services did: $43,216 for 336 claims, against $6,833 paid for services in 2024. Janssen Biotech, Inc. was the largest of 18 companies reporting payments in 2025, $9,126 in all, mostly food and beverage.
Overview
| NPI | 1376617175 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 20, 2006 |
| Last updated in NPPES | May 30, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA10003579 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 73 across 10 procedure codes |
| Paid by Medicare | $6,833 |
Part D prescriptions in 2024
| Prescriptions (claims) | 336 · 388 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $43,216 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Clive M Liu MD PLLCBellevue, WA · 5 clinicians
Industry payments (Open Payments)
- 2025$9,126 · 167 payments from 18 companies
- 2024$3,568 · 178 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $6,331 | 55 |
| Abbvie Inc. | $480.48 | 16 |
| Janssen Scientific Affairs, LLC | $393.86 | 4 |
| Pfizer Inc. | $311.14 | 19 |
| Regeneron Healthcare Solutions, Inc. | $285.89 | 9 |
What the 2025 payments were for
- Food and Beverage$4,023 · 162 payments
- Consulting Fee$3,600 · 1 payment
- Travel and Lodging$1,404 · 3 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Bellevue
- 1023488756
- 1073680146
- 1174692347
- 1306474135
- 1316417181
- 1336574607
- 1467884999
- 1518417476
- 1528764123
- 1649209131
- 1649413741
- 1669085874
All 91 physician assistants in Bellevue · All physician assistants in Washington