Quick answers
- Which hospitals does Earl M. Armstrong work at?
- Medicare's official clinician data lists Earl M. Armstrong at 1 hospital: MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Earl M. Armstrong see patients?
- Medicare's clinician data lists 1 practice location in Washington, DC. Call before your visit to confirm the address.
- What is Earl M. Armstrong's specialty?
- Medicare lists Pulmonary Disease as the primary specialty.
- Does Earl M. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Earl M. Armstrong 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.
- What is the phone number for Earl M. Armstrong?
- (202) 526-5491, as listed in official Medicare / NPI Registry data.
- What is Earl M. Armstrong's NPI number?
- 1205944428. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Earl M. Armstrong works
Medicare's Facility Affiliation Data lists Earl M. Armstrong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
Practice locations
Addresses where Earl M. Armstrong is enrolled with Medicare (CMS data updated 2026-10-02).
- 1160 Varnum St NE, Suite 215Washington, DC 20017 (202) 526‑5491
Group practices
Medicare enrollment lists Earl M. Armstrong as a member of this group (CMS data updated 2026-10-02).
- Pulmonary Critical Care Associates, PC3 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Find other Pulmonary Disease doctors in District of Columbia →
Other pulmonologists in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205944428 |
| 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