Quick answers
- Which hospitals does Margaret Stevenson work at?
- Medicare's official clinician data lists Margaret Stevenson at 5 hospitals: MedStar Georgetown University Hospital, MedStar Montgomery Medical Center, MedStar Saint Mary's Hospital, MedStar Southern Maryland Hospital Center and MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margaret Stevenson see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC. Call before your visit to confirm the address.
- What is Margaret Stevenson's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty.
- Does Margaret Stevenson accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret Stevenson 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.
- Does Margaret Stevenson offer telehealth?
- Medicare's clinician data says Margaret Stevenson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Margaret Stevenson?
- (202) 877-7000, as listed in official Medicare / NPI Registry data.
- What is Margaret Stevenson's NPI number?
- 1891142667. 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 Stevenson works
Medicare's Facility Affiliation Data lists Margaret Stevenson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Georgetown University HospitalWashington, DC · Acute Care Hospital · CCN 090004
- MedStar Montgomery Medical CenterOlney, MD · Acute Care Hospital · CCN 210018
- MedStar Saint Mary's HospitalLeonardtown, MD · Acute Care Hospital · CCN 210028
- MedStar Southern Maryland Hospital CenterClinton, MD · Acute Care Hospital · CCN 210062
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
Practice locations
Addresses where Margaret Stevenson is enrolled with Medicare (CMS data updated 2026-10-02).
- 110 Irving St NWWashington, DC 20010 (202) 877‑7000
- 3800 Reservoir Rd NWWashington, DC 20007 (202) 444‑2000
Group practices
Medicare enrollment lists Margaret Stevenson as a member of these groups (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
- MedStar Heart Institute LLC301 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
Find other Critical Care (Intensivists) doctors in District of Columbia →
Other critical care doctors in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Connecticut School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891142667 |
| 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