Quick answers
- Which hospitals does Alexander H. Macarthur work at?
- Medicare's official clinician data lists Alexander H. Macarthur at 4 hospitals: Greater Baltimore Medical Center, Umd Upper Chesapeake Medical Center, University of MD Baltimore Washington Medical Center and University of MD St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander H. Macarthur see patients?
- Medicare's clinician data lists 2 practice locations, including Westminster, MD and Bel Air, MD. Call before your visit to confirm the address.
- What is Alexander H. Macarthur's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Alexander H. Macarthur accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander H. Macarthur 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.
- What is the phone number for Alexander H. Macarthur?
- (410) 876-9898, as listed in official Medicare / NPI Registry data.
- What is Alexander H. Macarthur's NPI number?
- 1033344106. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander H. Macarthur works
Medicare's Facility Affiliation Data lists Alexander H. Macarthur at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greater Baltimore Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210044
- Umd Upper Chesapeake Medical CenterBel Air, MD · Acute Care Hospital · CCN 210049
- University of MD Baltimore Washington Medical CenterGlen Burnie, MD · Acute Care Hospital · CCN 210043
- University of MD St Joseph Medical CenterTowson, MD · Acute Care Hospital · CCN 210063
Practice locations
Addresses where Alexander H. Macarthur is enrolled with Medicare (CMS data updated 2026-10-02).
- 193 Stoner Ave, Suite 200Westminster, MD 21157 (410) 876‑9898
- 201 Plumtree Rd, Suite 101Bel Air, MD 21015 (410) 569‑3640
Group practices
Medicare enrollment lists Alexander H. Macarthur as a member of this group (CMS data updated 2026-10-02).
- Advanced Radiology P A188 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Westminster
Clinicians with the same Medicare primary specialty in Westminster, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033344106 |
| 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