Margaret Walkup Arnold, M.D.
NPI 1043439268ActiveIndividual· Surgery, Vascular Surgery· Baltimore, MD
Surgery, Vascular Surgery (M.D.) with Medstar Medical Group II LLC and 1 other group, practicing in Baltimore, Maryland. Mostly services rather than prescriptions: Medicare paid $49,969 for 217 patients in 2024, with only 15 Part D claims. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $63.18 in all, mostly food and beverage. Lists Medstar Franklin Square Medical Center as a hospital affiliation.
Overview
| NPI | 1043439268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 25, 2007 |
| Last updated in NPPES | Aug 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | 60 251976 | NY |
| Surgery, Vascular Surgery | 2086S0129X | D73428 | MD |
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 - Vascular Surgery (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 217 |
|---|---|
| Services billed | 452 across 28 procedure codes |
| Paid by Medicare | $49,969 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 15 30-day fills |
|---|---|
| Total drug cost | $6,866 |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Vascular Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Medstar Heart Institute LLCBaltimore, MD · 301 clinicians
Hospital affiliation
- Medstar Franklin Square Medical CenterRosedale, MD
Industry payments (Open Payments)
- 2025$63.18 · 3 payments from 2 companies
- 2024$1,643 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $33.67 | 1 |
| Lemaitre Vascular, Inc. | $29.51 | 2 |
What the 2025 payments were for
- Food and Beverage$63.18 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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