Marissa Mallari Magtanong, NP
NPI 1083101810ActiveIndividual· Nurse Practitioner· Glen Burnie, MD
Nurse Practitioner (NP) with Medstar Medical Group II LLC and 1 other group, practicing in Glen Burnie, Maryland. Their prescriptions cost Medicare Part D more than their services did: $38,209 for 138 claims, against $9,996 paid for services in 2024. Boston Scientific Corporation was the largest of 3 companies reporting payments in 2025, $153.49 in all, mostly food and beverage. Lists Medstar Montgomery Medical Center as a hospital affiliation.
Overview
| NPI | 1083101810 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Apr 17, 2018 |
| Last updated in NPPES | Apr 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R160195 | 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 (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 153 across 15 procedure codes |
| Paid by Medicare | $9,996 |
Part D prescriptions in 2024
| Prescriptions (claims) | 138 · 286 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $38,209 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Medstar Heart Institute LLCBaltimore, MD · 301 clinicians
Hospital affiliation
- Medstar Montgomery Medical CenterOlney, MD
Other facilities
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
- 2025$153.49 · 6 payments from 3 companies
- 2024$200.20 · 9 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $106.31 | 4 |
| Tactile Systems Technology Inc | $27.08 | 1 |
| Cashflow Solutions, LLC | $20.10 | 1 |
What the 2025 payments were for
- Food and Beverage$153.49 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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