Margaret-Ellen Johnson, MD
NPI 1932849502 · Emergency Medicine Physician · Silver Spring, MD
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret-Ellen Johnson, MD is a Emergency Medicine Physician provider in Silver Spring, MD (NPI 1932849502).
Provider details
- NPI number
- 1932849502
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0103993 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-31
- Last updated
- 2025-07-21
- Certified
- 2025-07-21
Frequently asked questions
- What is Margaret-Ellen Johnson's NPI number?
- Margaret-Ellen Johnson's National Provider Identifier (NPI) is 1932849502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret-Ellen Johnson's specialty?
- Margaret-Ellen Johnson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret-Ellen Johnson located?
- Margaret-Ellen Johnson's practice location on file with NPPES is 11890 Healing Way, Silver Spring, MD 20904-7917.
- What is Margaret-Ellen Johnson's phone number?
- The practice phone number listed in the NPPES registry for Margaret-Ellen Johnson is (240) 637-4000.
- Does Margaret-Ellen Johnson accept Medicare?
- Margaret-Ellen Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret-Ellen Johnson's NPI active?
- Yes — Margaret-Ellen Johnson's NPI (1932849502) is active in the NPPES registry as of the last update on 2025-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.