Quick answers
- Which hospitals does Alex Johnson work at?
- Medicare's official clinician data lists Alex Johnson at 1 hospital: Sibley Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alex Johnson see patients?
- Medicare's clinician data lists 7 practice locations, including Baltimore, MD, Washington, DC and Bethesda, MD. Call before your visit to confirm the address.
- What is Alex Johnson's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Alex Johnson accept Medicare assignment?
- Medicare's clinician data says Alex Johnson may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Alex Johnson offer telehealth?
- Medicare's clinician data says Alex Johnson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Alex Johnson?
- (301) 530-3220, as listed in official Medicare / NPI Registry data.
- What is Alex Johnson's NPI number?
- 1790031912. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alex Johnson works
Medicare's Facility Affiliation Data lists Alex Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · CCN 090005
Practice locations
Addresses where Alex Johnson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 4940 Eastern AveBaltimore, MD 21224
- 5215 Loughboro Rd NWWashington, DC 20016 (301) 530‑3220
- 5255 Loughboro Rd NWWashington, DC 20016 (202) 660‑6500
- 5255 Loughboro Road NW, Sibley Memorial HospitalWashington, DC 20016 (202) 660‑6500
- 6410 Rockledge DrBethesda, MD 20817
Group practices
Medicare enrollment lists Alex Johnson as a member of these groups (CMS data updated 2026-10-02).
- Johns Hopkins University2,909 clinicians in the group
- Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
- Johns Hopkins University713 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790031912 |
| 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