Quick answers
- Which hospitals does Grace Lee work at?
- Medicare's official clinician data lists Grace Lee at 5 hospitals: Inova Alexandria Hospital, Inova Fair Oaks Hospital, Inova Fairfax Hospital, Inova Loudoun Hospital and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grace Lee see patients?
- Medicare's clinician data lists 4 practice locations, including Woodbridge, VA, Fairfax, VA and Leesburg, VA. Call before your visit to confirm the address.
- What is Grace Lee's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Grace Lee accept Medicare assignment?
- Yes. Medicare's clinician data says Grace Lee 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 Grace Lee offer telehealth?
- Medicare's clinician data says Grace Lee offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Grace Lee?
- (703) 670-3349, as listed in official Medicare / NPI Registry data.
- What is Grace Lee's NPI number?
- 1194351106. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grace Lee works
Medicare's Facility Affiliation Data lists Grace Lee 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
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Grace Lee is enrolled with Medicare (CMS data updated 2026-10-02).
- 2280 Opitz Blvd, Suite 120Woodbridge, VA 22191 (703) 670‑3349
- 3580 Joseph Siewick DrFairfax, VA 22033 (703) 391‑4250
- 44035 Riverside Pkwy, Suite 100Leesburg, VA 20176 (703) 858‑8850
- 8081 Innovation Park DrFairfax, VA 22031 (571) 472‑0606
Group practices
Medicare enrollment lists Grace Lee as a member of this group (CMS data updated 2026-10-02).
- Radiation Oncology Associates PC22 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Woodbridge
Clinicians with the same Medicare primary specialty in Woodbridge, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194351106 |
| 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