The Oncology Service
The Oncology Service is a veterinary practice in Leesburg, VA. Its website lists oncology.
Treats:? Dogs? Cats? Exotic pets? Farm & equine? = not confirmed — ask when you call.
Contact & location
- Address
- 134 Fort Evans Rd NE, Leesburg, VA 20176
- Phone
- (571) 209-1176
- Website
- http://tosvets.com/
What The Oncology Service says it offers
From their own website, read September 26, 2026. Not listed doesn't mean not offered — confirm when you call.
Services listed
- Oncology
- Appointments
- Online booking or requests
Data status: Compiled from public sources on 2026-09-14; not independently verified.Spot an error? Report a correction.
If The Oncology Service is closed
General practice, not an emergency hospital. For anything that cannot wait, use one of the emergency hospitals below.
Nearest 24-hour emergency hospitals
- VEG ER for Pets - Leesburg — Leesburg, ~1 miles away, roughly a 3 min drive · (703) 687-6287
- Blue Ridge Veterinary Associates — Purcellville, ~10 miles away, roughly a 17 min drive · (540) 338-7387
Drive times are straight-line estimates.
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Other vets near Leesburg, VA
Ordered by distance.
- Bush Veterinary Neurology ServiceLeesburg · ~0 miles · 🚗 ~1 min
- Towne Animal ClinicLeesburg · ~0 miles · 🚗 ~1 min
- Banfield Pet HospitalLeesburg · ~1 miles · 🚗 ~2 min
- Loudoun Cat CareLeesburg · ~1 miles · 🚗 ~3 min
- Old Mill Veterinary HospitalLeesburg · ~1 miles · 🚗 ~3 min
- Ocean Veterinary Ophthalmology, LlcLeesburg · ~1 miles · 🚗 ~4 min
Suspected poisoning: call ASPCA Animal Poison Control on (888) 426-4435 (24/7, consultation fee applies) on the way in.