Quick answers
- Which hospitals does Paul J. Obrien work at?
- Medicare's official clinician data lists Paul J. Obrien at 3 hospitals: Inova Alexandria Hospital, Inova Mount Vernon Hospital and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Paul J. Obrien see patients?
- Medicare's clinician data lists 1 practice location in Annandale, VA. Call before your visit to confirm the address.
- What is Paul J. Obrien's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Paul J. Obrien accept Medicare assignment?
- Yes. Medicare's clinician data says Paul J. Obrien 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 Paul J. Obrien offer telehealth?
- Medicare's clinician data says Paul J. Obrien offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Paul J. Obrien?
- (703) 751-6668, as listed in official Medicare / NPI Registry data.
- What is Paul J. Obrien's NPI number?
- 1992865588. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Paul J. Obrien works
Medicare's Facility Affiliation Data lists Paul J. Obrien 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
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Paul J. Obrien is enrolled with Medicare (CMS data updated 2026-10-02).
- 6715 Little River Tpke, Suite 300Annandale, VA 22003 (703) 751‑6668
Group practices
Medicare enrollment lists Paul J. Obrien as a member of this group (CMS data updated 2026-10-02).
- Cardiology Specialists of Virginia2 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Virginia →
Other cardiologists in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1992865588 |
| 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