NPPES file of Aug 9, 2026

Margaret-Ellen Johnson, MD

Emergency Medicine Physician · Silver Spring, MD

Margaret-Ellen Johnson, MD is an emergency medicine physician with a practice address in Silver Spring, Maryland, and NPI 1932849502, issued on Mar 31, 2022. Check the license (Maryland D0103993, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932849502
Name
Margaret-Ellen Johnson
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
D0103993 MD
Self-reported in NPPES; status is on the state search
Practice location
11890 Healing Way, Silver Spring, MD 20904
Phone
(240) 637-4000
Enumerated
Mar 31, 2022
Record last updated
Jul 21, 2025
Medicare enrollment
Enrolled (PECOS I20250801004082); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 11890 Healing Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Edom AbatePharmacist1598525313
  2. Luverne Abogadie, DNP, AGACNP-BCAcute Care Nurse Practitioner1386239234
  3. Roberta Ackom, CNMAdvanced Practice Midwife1609368752
  4. Emelia AgyeiPsychiatric/Mental Health Nurse Practitioner1629776224
  5. Yemi Akinrimisi, CSFASurgical Assistant1669153821
  6. Florence Amaikwu, DNP PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1679164750

Verify Margaret-Ellen Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0103993
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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85% fewer Medicare Part D claims than the average emergency medicine physician in 2024

35 Medicare Part D claims for 21 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Margaret-Ellen Johnson35
  2. Specialty average226

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Margaret-Ellen Johnson among 1,190 emergency medicine physician records in Maryland

Margaret-Ellen Johnson, MD is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 97% of them.

  • NPI issued2022 · 97% of these records are older, 1% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2021 · median 2010 among the 571 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Maryland

There are 1,190 emergency medicine physician records in Maryland.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Supriya Davis, MDSilver Spring, MD 209041619505427
  2. Benjamin Gonzalez, MDSilver Spring, MD 209041679527766
  3. Farina Hasan, MDSilver Spring, MD 209041396484523
  4. Harshal Lal, DOSilver Spring, MD 209041386203206
  5. Roshni ThakoreSilver Spring, MD 209041750525481
  6. Shobhit Arora, MD,MMMWheaton, MD 209021023051661
  7. Jennifer Adu-Frimpong, MDSilver Spring, MD 209101790733202
  8. James Del-Vecchio, M.D.Silver Spring, MD 209101912948522

Common questions

What is Margaret-Ellen Johnson, MD's NPI number?

Margaret-Ellen Johnson, MD's National Provider Identifier (NPI) is 1932849502, issued on Mar 31, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Margaret-Ellen Johnson, MD located?

The NPPES record lists a practice address at 11890 Healing Way, Silver Spring, MD, 20904. Phone: (240) 637-4000. Providers update this record themselves, so call before visiting.

How can I verify Margaret-Ellen Johnson, MD's license?

NPPES lists Maryland license number D0103993, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Margaret-Ellen Johnson, MD prescribe under Medicare Part D?

In 2024, Margaret-Ellen Johnson, MD had 35 Medicare Part D claims for 21 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.