Quick answers
- Where does Mercy E. Dasi see patients?
- Medicare's clinician data lists 3 practice locations, including Falls Church, VA, Leesburg, VA and Fairfax, VA. Call before your visit to confirm the address.
- What is Mercy E. Dasi's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mercy E. Dasi accept Medicare assignment?
- Yes. Medicare's clinician data says Mercy E. Dasi 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 Mercy E. Dasi?
- (703) 776-4001, as listed in official Medicare / NPI Registry data.
- What is Mercy E. Dasi's NPI number?
- 1316515174. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mercy E. Dasi is enrolled with Medicare (CMS data updated 2026-10-02).
- 3300 Gallows RdFalls Church, VA 22042 (703) 776‑4001
- 44045 Rivderside PkwyLeesburg, VA 20176 (703) 771‑2960
- 8505 Arlington BlvdFairfax, VA 22031
Group practices
Medicare enrollment lists Mercy E. Dasi as a member of this group (CMS data updated 2026-10-02).
- Inova Health Care Services1,817 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Falls Church
Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316515174 |
| 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
- 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