Quick answers
- Which hospitals does Andrea E. Williams work at?
- Medicare's official clinician data lists Andrea E. Williams at 2 hospitals: Sibley Memorial Hospital and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrea E. Williams see patients?
- Medicare's clinician data lists 1 practice location in Alexandria, VA. Call before your visit to confirm the address.
- What is Andrea E. Williams's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Andrea E. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Andrea E. Williams 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 Andrea E. Williams offer telehealth?
- Medicare's clinician data says Andrea E. Williams offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Andrea E. Williams?
- (703) 940-3364, as listed in official Medicare / NPI Registry data.
- What is Andrea E. Williams's NPI number?
- 1053369454. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrea E. Williams works
Medicare's Facility Affiliation Data lists Andrea E. Williams 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
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Andrea E. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 700 S Washington St, 300 Vhc Physician Group Ob/gynAlexandria, VA 22314 (703) 940‑3364
Group practices
Medicare enrollment lists Andrea E. Williams as a member of this group (CMS data updated 2026-10-02).
- Virginia Hospital Center Physician Group LLC353 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs 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 | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1053369454 |
| 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