Quick answers
- Which hospitals does Hoon Chang work at?
- Medicare's official clinician data lists Hoon Chang at 5 hospitals: Inova Alexandria Hospital, Inova Fair Oaks Hospital, Inova Fairfax Hospital, Inova Loudoun Hospital and Sentara Northern Virginia Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hoon Chang 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 Hoon Chang's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Hoon Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Hoon Chang 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.
- What is the phone number for Hoon Chang?
- (703) 476-1740, as listed in official Medicare / NPI Registry data.
- What is Hoon Chang's NPI number?
- 1457987364. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hoon Chang works
Medicare's Facility Affiliation Data lists Hoon Chang 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
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · CCN 490043
- Sentara Northern Virginia Medical CenterWoodbridge, VA · Acute Care Hospital · CCN 490113
Practice locations
Addresses where Hoon Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 2751 Killarney DrWoodbridge, VA 22192 (703) 476‑1740
- 8501 Arlington Blvd, Suite 100Fairfax, VA 22031 (703) 476‑1740
Group practices
Medicare enrollment lists Hoon Chang as a member of this group (CMS data updated 2026-10-02).
- Nephrology Associates of Northern Virginia Inc15 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Woodbridge
Clinicians with the same Medicare primary specialty in Woodbridge, VA — not a recommendation.
Clinician information
| Medical school | Georgetown University School Of Medicine |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457987364 |
| 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