Quick answers
- Which hospitals does Barbara B. Yosaitis work at?
- Medicare's official clinician data lists Barbara B. Yosaitis at 5 hospitals: Inova Alexandria Hospital, Inova Fair Oaks Hospital, Reston Hospital Center, UVA Health Haymarket Medical Center and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Barbara B. Yosaitis see patients?
- Medicare's clinician data lists 5 practice locations, including Fairfax, VA, Springfield, VA and Lanham, MD. Call before your visit to confirm the address.
- What is Barbara B. Yosaitis's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Barbara B. Yosaitis accept Medicare assignment?
- Yes. Medicare's clinician data says Barbara B. Yosaitis 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 Barbara B. Yosaitis offer telehealth?
- Medicare's clinician data says Barbara B. Yosaitis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Barbara B. Yosaitis?
- (703) 281-1023, as listed in official Medicare / NPI Registry data.
- What is Barbara B. Yosaitis's NPI number?
- 1679617997. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Barbara B. Yosaitis works
Medicare's Facility Affiliation Data lists Barbara B. Yosaitis 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 Fair Oaks HospitalFairfax, VA · Acute Care Hospital · CCN 490101
- Reston Hospital CenterReston, VA · Acute Care Hospital · CCN 490107
- UVA Health Haymarket Medical CenterHaymarket, VA · Acute Care Hospital · CCN 490144
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Barbara B. Yosaitis is enrolled with Medicare (CMS data updated 2026-10-02).
- 3620 Joseph Siewick Dr, Suite 307Fairfax, VA 22033 (703) 281‑1023
- 3650 Joseph Siewick Dr, Suite 204Fairfax, VA 22033 (703) 264‑0521
- 6230 Rolling Rd, Suite IjSpringfield, VA 22152 (571) 565‑6460
- 9470 Annapolis Rd, Suite 309Lanham, MD 20706 (202) 832‑1800
- 950 N Glebe Rd, Suite 700Arlington, VA 22203
Group practices
Medicare enrollment lists Barbara B. Yosaitis as a member of these groups (CMS data updated 2026-10-02).
- Inova Health Care Services1,817 clinicians in the group
- Privia Medical Group, LLC1,533 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fairfax
Clinicians with the same Medicare primary specialty in Fairfax, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1991 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679617997 |
| 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