Susan M. Zemitis, FNP
NPI 1093483505ActiveIndividual· Nurse Practitioner, Family· Alexandria, VA
Nurse Practitioner, Family (FNP) with Gastroenterology Associates of Northern Virginia, LLC, practicing in Alexandria, Virginia. Their prescriptions cost Medicare Part D more than their services did: $43,403 for 145 claims, against $6,018 paid for services in 2024. Gilead Sciences, Inc. was the largest of 22 companies reporting payments in 2025, $2,831 in all, mostly food and beverage. Lists Inova Alexandria Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1093483505 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Aug 31, 2021 |
| Last updated in NPPES | Oct 27, 2022 |
| Certified by provider | Oct 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 0024181643 | VA |
| Nurse Practitioner, Family | 363LF0000X | 24956 | SC |
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 - Nurse Practitioner (DC); Practitioner - Nurse Practitioner (SC); Practitioner - Nurse Practitioner (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 57 |
|---|---|
| Services billed | 64 across 6 procedure codes |
| Paid by Medicare | $6,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 145 · 297 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $43,403 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Gastroenterology Associates of Northern Virginia, LLCAlexandria, VA · 100 clinicians
Hospital affiliations
- Inova Alexandria HospitalAlexandria, VA
- Inova Mount Vernon HospitalAlexandria, VA
- Virginia Hospital CenterArlington, VA
Industry payments (Open Payments)
- 2025$2,831 · 125 payments from 22 companies
- 2024$1,607 · 59 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $384.76 | 16 |
| Abbvie Inc. | $367.18 | 21 |
| Ardelyx, Inc. | $345.40 | 19 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $311.97 | 14 |
| Pfizer Inc. | $168.14 | 8 |
What the 2025 payments were for
- Food and Beverage$2,831 · 125 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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