Quick answers
- Which hospitals does Margaret McCarthy work at?
- Medicare's official clinician data lists Margaret McCarthy at 2 hospitals: Inova Fairfax Hospital and St Vincent's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margaret McCarthy see patients?
- Medicare's clinician data lists 3 practice locations, including Alexandria, VA, Falls Church, VA and Hartford, CT. Call before your visit to confirm the address.
- What is Margaret McCarthy's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Margaret McCarthy accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret McCarthy 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 Margaret McCarthy?
- (703) 664-7000, as listed in official Medicare / NPI Registry data.
- What is Margaret McCarthy's NPI number?
- 1285132860. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Margaret McCarthy works
Medicare's Facility Affiliation Data lists Margaret McCarthy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- St Vincent's Medical CenterBridgeport, CT · Acute Care Hospital · CCN 070028
Practice locations
Addresses where Margaret McCarthy is enrolled with Medicare (CMS data updated 2026-10-02).
- 2501 Parkers LnAlexandria, VA 22306 (703) 664‑7000
- 3300 Gallows RdFalls Church, VA 22042 (703) 776‑4001
- 80 Semour StHartford, CT 06106 (860) 972‑2117
Group practices
Medicare enrollment lists Margaret McCarthy as a member of these groups (CMS data updated 2026-10-02).
- Integrated Anesthesia Associates LLC409 clinicians in the group
- Northstar Anesthesia of Virginia, LLC406 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Alexandria
Clinicians with the same Medicare primary specialty in Alexandria, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285132860 |
| 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