Quick answers
- Which hospitals does Michail Mavros work at?
- Medicare's official clinician data lists Michail Mavros at 1 hospital: Sibley Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michail Mavros see patients?
- Medicare's clinician data lists 2 practice locations, including Arlington, VA and Washington, DC. Call before your visit to confirm the address.
- What is Michail Mavros's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Michail Mavros accept Medicare assignment?
- Medicare's clinician data says Michail Mavros may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Michail Mavros?
- (703) 462-1777, as listed in official Medicare / NPI Registry data.
- What is Michail Mavros's NPI number?
- 1770926404. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michail Mavros works
Medicare's Facility Affiliation Data lists Michail Mavros 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 Michail Mavros is enrolled with Medicare (CMS data updated 2026-10-02).
- 4102 Wilson BoulevardArlington, VA 22203 (703) 462‑1777
- 5255 Loughboro Road NW, Sibley Memorial HospitalWashington, DC 20016 (202) 660‑6500
Group practices
Medicare enrollment lists Michail Mavros as a member of these groups (CMS data updated 2026-10-02).
- Johns Hopkins University2,909 clinicians in the group
- Johns Hopkins University713 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Arlington
Clinicians with the same Medicare primary specialty in Arlington, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1770926404 |
| 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