Quick answers
- Which hospitals does Selwyn Mahon work at?
- Medicare's official clinician data lists Selwyn Mahon at 1 hospital: University of MD Shore Medical Center at Chestertown. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Selwyn Mahon see patients?
- Medicare's clinician data lists 1 practice location in Alexandria, VA. Call before your visit to confirm the address.
- What is Selwyn Mahon's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Selwyn Mahon accept Medicare assignment?
- Yes. Medicare's clinician data says Selwyn Mahon 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 Selwyn Mahon?
- (857) 575-5831, as listed in official Medicare / NPI Registry data.
- What is Selwyn Mahon's NPI number?
- 1992816169. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Selwyn Mahon works
Medicare's Facility Affiliation Data lists Selwyn Mahon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of MD Shore Medical Center at ChestertownChestertown, MD · Acute Care Hospital · CCN 210030
Practice locations
Addresses where Selwyn Mahon is enrolled with Medicare (CMS data updated 2026-10-02).
- 3001 Park Ctr Dr, Apt 611Alexandria, VA 22302 (857) 575‑5831
Group practices
Medicare enrollment lists Selwyn Mahon as a member of this group (CMS data updated 2026-10-02).
- East Harbor Partners PC13 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Alexandria
Clinicians with the same Medicare primary specialty in Alexandria, VA — not a recommendation.
Clinician information
| Medical school | Howard University College Of Medicine |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992816169 |
| 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