Quick answers
- Which hospitals does Nam N. Ha work at?
- Medicare's official clinician data lists Nam N. Ha at 4 hospitals: Inova Fair Oaks Hospital, Inova Fairfax 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 Nam N. Ha see patients?
- Medicare's clinician data lists 2 practice locations, including Woodbridge, VA and Fairfax, VA. Call before your visit to confirm the address.
- What is Nam N. Ha's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Nam N. Ha accept Medicare assignment?
- Yes. Medicare's clinician data says Nam N. Ha 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 Nam N. Ha offer telehealth?
- Medicare's clinician data says Nam N. Ha offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nam N. Ha?
- (703) 490-9080, as listed in official Medicare / NPI Registry data.
- What is Nam N. Ha's NPI number?
- 1659863124. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nam N. Ha works
Medicare's Facility Affiliation Data lists Nam N. Ha at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · CCN 490101
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- Inova Mount Vernon HospitalAlexandria, VA · Acute Care Hospital · CCN 490122
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Nam N. Ha is enrolled with Medicare (CMS data updated 2026-10-02).
- 2030 Opitz BlvdWoodbridge, VA 22191 (703) 490‑9080
- 8316 Arlington BlvdFairfax, VA 22031 (703) 560‑1313
Group practices
Medicare enrollment lists Nam N. Ha as a member of this group (CMS data updated 2026-10-02).
- Washington Nephrology Associates LLP35 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Woodbridge
Clinicians with the same Medicare primary specialty in Woodbridge, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659863124 |
| 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