Michelle Wheat Marx, NP
NPI 1518515667ActiveIndividual· Nurse Practitioner· Fredericksburg, VA
Nurse Practitioner (NP) with Mary Washington Healthcare Physicians, practicing in Fredericksburg, Virginia. 69 Medicare patients in 2024, $11,137 paid; nearly all of their 72 Part D prescriptions were generic (96%). Edwards Lifesciences Corporation was the largest of 6 companies reporting payments in 2025, $543.22 in all, mostly food and beverage. Lists Mary Washington Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1518515667 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Sep 2, 2019 |
| Last updated in NPPES | Sep 30, 2021 |
| Certified by provider | Sep 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 0024182826 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 69 |
|---|---|
| Services billed | 140 across 10 procedure codes |
| Paid by Medicare | $11,137 |
Part D prescriptions in 2024
| Prescriptions (claims) | 72 · 108 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $1,325 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mary Washington Healthcare PhysiciansStafford, VA · 282 clinicians
Hospital affiliations
- Mary Washington HospitalFredericksburg, VA
- Stafford Hospital, LLCStafford, VA
Industry payments (Open Payments)
- 2025$543.22 · 17 payments from 6 companies
- 2024$326.83 · 16 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $237.45 | 6 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $114.14 | 4 |
| Octapharma USA, Inc. | $109.03 | 4 |
| Atricure, Inc. | $35.96 | 1 |
| Lemaitre Vascular, Inc. | $27.32 | 1 |
What the 2025 payments were for
- Food and Beverage$543.22 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 nurse practitioners in Fredericksburg · All nurse practitioners in Virginia