Quick answers
- Which hospitals does Susan A. Messing work at?
- Medicare's official clinician data lists Susan A. Messing at 4 hospitals: Inova Alexandria Hospital, Inova Mount Vernon Hospital, Sentara Northern Virginia Medical Center and Stafford Hospital, LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Susan A. Messing see patients?
- Medicare's clinician data lists 1 practice location in Lorton, VA. Call before your visit to confirm the address.
- What is Susan A. Messing's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Susan A. Messing accept Medicare assignment?
- Yes. Medicare's clinician data says Susan A. Messing 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.
- Does Susan A. Messing offer telehealth?
- Medicare's clinician data says Susan A. Messing offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Susan A. Messing?
- (571) 800-8915, as listed in official Medicare / NPI Registry data.
- What is Susan A. Messing's NPI number?
- 1871744599. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Susan A. Messing works
Medicare's Facility Affiliation Data lists Susan A. Messing at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Alexandria HospitalAlexandria, VA · Acute Care Hospital · CCN 490040
- Inova Mount Vernon HospitalAlexandria, VA · Acute Care Hospital · CCN 490122
- Sentara Northern Virginia Medical CenterWoodbridge, VA · Acute Care Hospital · CCN 490113
- Stafford Hospital, LLCStafford, VA · Acute Care Hospital · CCN 490140
Practice locations
Addresses where Susan A. Messing is enrolled with Medicare (CMS data updated 2026-10-02).
- 9500 Richmond HwyLorton, VA 22079 (571) 800‑8915
Group practices
Medicare enrollment lists Susan A. Messing as a member of this group (CMS data updated 2026-10-02).
- Sentara Medical Group1,408 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Lorton
Clinicians with the same Medicare primary specialty in Lorton, VA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871744599 |
| 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