Marissa Davidson
NPI 1760223218ActiveIndividual· Nurse Practitioner· Columbia, MD
Nurse Practitioner with Maryland Oncology Hematology PA, practicing in Columbia, Maryland. Part D covered 94 prescriptions written in 2024, 79% of them generic. Novartis Pharmaceuticals Corporation was the largest of 36 companies reporting payments in 2025, $2,766 in all, mostly food and beverage. Lists Johns Hopkins Howard County Medical Center as a hospital affiliation.
Overview
| NPI | 1760223218 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jun 6, 2024 |
| Last updated in NPPES | Jul 11, 2024 |
| Certified by provider | Jul 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R240305 | MD |
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 (MD) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 94 · 134 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $121,836 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Maryland Oncology Hematology PAColumbia, MD · 104 clinicians
Hospital affiliation
- Johns Hopkins Howard County Medical CenterColumbia, MD
Industry payments (Open Payments)
- 2025$2,766 · 112 payments from 36 companies
- 2024$1,561 · 50 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $319.19 | 16 |
| Astrazeneca Pharmaceuticals LP | $227.45 | 8 |
| Daiichi Sankyo Inc. | $209.03 | 11 |
| Janssen Biotech, Inc. | $173.64 | 6 |
| Takeda Pharmaceuticals U.S.A., Inc. | $146.87 | 6 |
What the 2025 payments were for
- Food and Beverage$2,691 · 111 payments
- Education$74.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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