Quick answers
- Which hospitals does Timothy L. Cannon work at?
- Medicare's official clinician data lists Timothy L. Cannon at 5 hospitals: Inova Alexandria Hospital, Inova Fair Oaks Hospital, Inova Fairfax Hospital, Inova Loudoun Hospital and Inova Mount Vernon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Timothy L. Cannon see patients?
- Medicare's clinician data lists 5 practice locations, including Falls Church, VA, Fairfax, VA and Alexandria, VA. Call before your visit to confirm the address.
- What is Timothy L. Cannon's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Hematology.
- Does Timothy L. Cannon accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy L. Cannon 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 Timothy L. Cannon offer telehealth?
- Medicare's clinician data says Timothy L. Cannon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Timothy L. Cannon?
- (703) 391-3600, as listed in official Medicare / NPI Registry data.
- What is Timothy L. Cannon's NPI number?
- 1376719906. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Timothy L. Cannon works
Medicare's Facility Affiliation Data lists Timothy L. Cannon 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
- Inova Mount Vernon HospitalAlexandria, VA · Acute Care Hospital · CCN 490122
Practice locations
Addresses where Timothy L. Cannon is enrolled with Medicare (CMS data updated 2026-10-02).
- 3300 Gallows RdFalls Church, VA 22042
- 3600 Joseph Siewick DrFairfax, VA 22033 (703) 391‑3600
- 4320 Seminary RdAlexandria, VA 22304
- 44045 Rivderside PkwyLeesburg, VA 20176
- 8081 Innovation Park DrFairfax, VA 22031
Group practices
Medicare enrollment lists Timothy L. Cannon as a member of this group (CMS data updated 2026-10-02).
- Inova Health Care Services1,817 clinicians in the group
Specialties
- Medical Oncologyprimary
- Hematologyalso
Other oncologists in Falls Church
Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1376719906 |
| 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