Quick answers
- Which hospitals does Margaret Ellen Johnson work at?
- Medicare's official clinician data lists Margaret Ellen Johnson at 1 hospital: Adventist Healthcare White Oak Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margaret Ellen Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including Canton, OH and Washington, DC. Call before your visit to confirm the address.
- What is Margaret Ellen Johnson's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Margaret Ellen Johnson accept Medicare assignment?
- Medicare's clinician data says Margaret Ellen Johnson may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Margaret Ellen Johnson's NPI number?
- 1932849502. 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 Ellen Johnson works
Medicare's Facility Affiliation Data lists Margaret Ellen Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute Care Hospital · CCN 210016
Practice locations
Addresses where Margaret Ellen Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 4535 Dressier Rd NWCanton, OH 44718
- 600 H St NE, Apt 822Washington, DC 20002
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Canton
Clinicians with the same Medicare primary specialty in Canton, OH — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1932849502 |
| 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