Quick answers
- Which hospitals does Margaret Arnold work at?
- Medicare's official clinician data lists Margaret Arnold at 1 hospital: MedStar Franklin Square Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margaret Arnold see patients?
- Medicare's clinician data lists 5 practice locations, including Bel Air, MD, Baltimore, MD and Rosedale, MD. Call before your visit to confirm the address.
- What is Margaret Arnold's specialty?
- Medicare lists Vascular Surgery as the primary specialty.
- Does Margaret Arnold accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret Arnold accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Margaret Arnold offer telehealth?
- Medicare's clinician data says Margaret Arnold offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Margaret Arnold?
- (410) 554-6550, as listed in official Medicare / NPI Registry data.
- What is Margaret Arnold's NPI number?
- 1043439268. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Margaret Arnold works
Medicare's Facility Affiliation Data lists Margaret Arnold at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Franklin Square Medical CenterRosedale, MD · Acute Care Hospital · CCN 210015
Practice locations
Addresses where Margaret Arnold is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 Medstar BlvdBel Air, MD 21015 (410) 554‑6550
- 3300 N Calvert St, Suite 2Baltimore, MD 21218 (410) 554‑6550
- 3333 N Calvert StBaltimore, MD 21218 (410) 261‑8500
- 9105 Franklin Square DrRosedale, MD 21237 (410) 574‑1330
- 9501 Old Annapolis Rd, Suite 220Ellicott City, MD 21042 (301) 621‑6570
Group practices
Medicare enrollment lists Margaret Arnold as a member of these groups (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
- MedStar Heart Institute LLC301 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Bel Air
Clinicians with the same Medicare primary specialty in Bel Air, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043439268 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians