Quick answers
- Does Susan A. Leggett Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Susan A. Leggett Johnson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Susan A. Leggett Johnson see?
- In 2024, CMS data shows 17 Original Medicare patients and 31 services for Susan A. Leggett Johnson. This counts Original Medicare only and measures volume, not quality.
- What is Susan A. Leggett Johnson's NPI number?
- 1710037262. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Susan A. Leggett Johnson, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 17 |
|---|---|
| Services billed to Medicare | 31 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol65%
Hospitals where Susan A. Leggett Johnson works
Medicare's Facility Affiliation Data lists Susan A. Leggett Johnson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
Practice locations
Addresses where Susan A. Leggett Johnson is enrolled with Medicare (CMS data updated October 2, 2026).
- 4910 Massachusetts Ave NW, Suite 114 Grady Dc OfficeWashington, DC 20016 (202) 686‑0813
Group practices
Medicare enrollment lists Susan A. Leggett Johnson as a member of this group (CMS data updated October 2, 2026).
- Privia Care Center LLC287 clinicians in the group
Specialties
- Internal Medicineprimary
Find other Internal Medicine doctors in District of Columbia →
Other internal medicine doctors in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Other clinicians in Privia Care Center LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1710037262 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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