Marwa Abdalla, MBBS
NPI 1851852768ActiveIndividual· Internal Medicine, Nephrology· Waldorf, MD
Internal Medicine, Nephrology (MBBS) with Medstar Medical Group - Southern Maryland LLC, practicing in Waldorf, Maryland. In 2024 Medicare paid $21,395 for 99 patients, and Part D covered 123 of their prescriptions, 85% of them generic. Lists Medstar Saint Mary's Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1851852768 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MBBS |
| Sole proprietor | No |
| NPI issued | Mar 26, 2019 |
| Last updated in NPPES | Aug 18, 2026 |
| Certified by provider | Aug 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | D0098560 | 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 - Internal Medicine (DC); Practitioner - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 256 across 15 procedure codes |
| Paid by Medicare | $21,395 |
Part D prescriptions in 2024
| Prescriptions (claims) | 123 · 249 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $11,755 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group - Southern Maryland LLCHollywood, MD · 245 clinicians
Hospital affiliations
- Medstar Saint Mary's HospitalLeonardtown, MD
- Medstar Southern Maryland Hospital CenterClinton, MD
- University of MD Charles Regional Medical CenterLa Plata, MD
Other facilities
- Davita Brandywine DialysisDialysis facility · Brandywine, MD
- Davita la Plata DialysisDialysis facility · La Plata, MD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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