Quick answers
- Which hospitals does Emma M. Tierney work at?
- Medicare's official clinician data lists Emma M. Tierney at 1 hospital: Reston Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Emma M. Tierney see patients?
- Medicare's clinician data lists 2 practice locations, including Reston, VA and Alexandria, VA. Call before your visit to confirm the address.
- What is Emma M. Tierney's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Emma M. Tierney accept Medicare assignment?
- Yes. Medicare's clinician data says Emma M. Tierney 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 Emma M. Tierney's NPI number?
- 1437929858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Emma M. Tierney works
Medicare's Facility Affiliation Data lists Emma M. Tierney at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Reston Hospital CenterReston, VA · Acute Care Hospital · CCN 490107
Practice locations
Addresses where Emma M. Tierney is enrolled with Medicare (CMS data updated 2026-10-02).
- 1850 Town Ctr PkwyReston, VA 20190
- 6354 Walker Lane, Suite 300Alexandria, VA 22310
Group practices
Medicare enrollment lists Emma M. Tierney as a member of this group (CMS data updated 2026-10-02).
- Orthovirginia Inc567 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Reston
Clinicians with the same Medicare primary specialty in Reston, VA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437929858 |
| 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