There is 1 veterinary clinic listed in Defiance, Missouri, as of October 2026. 1 lists a phone number and 1 has its own website.
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Animal hospital
1304 Highway DD · Defiance, MO 63341
Crossroads Veterinary Hospital in Wentzville, Missouri offers full-service care for dogs and cats, including surgery, dentistry, advanced diagnostics and laser therapy. A mobile clinic serves the St. Louis and St.…
Veterinary clinic
10253 Hwy Dd · Wentzville, MO 63385 · 1.7 mi
Crossroads Veterinary Hospital in Wentzville, Missouri offers full-service care for dogs and cats, including surgery, dentistry, and in-house diagnostics. It also runs a mobile veterinary service serving the St.…
Veterinary clinic
2301 Technology Dr · O'Fallon, MO 63368 · 4.8 mi
AAHA accreditedCat Friendly Practice
The Pet Doctor is a veterinary hospital in O'Fallon, Missouri, offering preventive care, dental work, surgery, diagnostics, chiropractic and rehabilitation for dogs and cats. The practice is AAHA accredited, a…
Veterinary clinic
155 Pond Fort Trail · Lake St Louis, MO 63367 · 4.8 mi
Family Vet Lake St. Louis is a veterinary clinic in Lake St. Louis, Missouri, caring for dogs and cats with wellness exams, dental care, surgery, diagnostics and urgent care. The practice is AAHA accredited and…
Veterinary clinic
3046 Winghaven Blvd · O'Fallon, MO 63368 · 4.9 mi
AAHA accreditedCat Friendly Practice
The Pet Doctor is a veterinary practice in O'Fallon, Missouri, offering preventive, diagnostic, dental, surgical, chiropractic and rehabilitation care for dogs and cats. It is an AAHA-accredited hospital and a…
Veterinary clinic
7770 Winghaven Blvd · O'Fallon, MO 63368 · 5.4 mi
Vet Locator lists 1 veterinary clinic in Defiance, Missouri (updated October 2026). 1 have a website and 1 list a phone number.
None are listed in Defiance itself. The closest we list are UrgentVet in O'Fallon, MO (about 7 miles) and Animal Emergency Clinic in O'Fallon, MO (about 9 miles).
None are listed in Defiance itself. The closest we list are Veterinary Specialty Services - West in O'Fallon, MO (about 5 miles) and Veterinary Specialty Services in Manchester, MO (about 18 miles).
None are listed in Defiance itself. The closest we list are VIS-Mobile in Fenton, MO (about 20 miles) and Paws at Home in Quincy, IL (about 89 miles).
None are listed in Defiance itself. The closest we list are Cat Clinic in St Louis, MO (about 20 miles) and St. Louis Cat Clinic in St Louis, MO (about 28 miles).
Nearby options include New Melle (1 listed, 4 mi), Lake St Louis (3 listed, 6 mi), Weldon Spring (3 listed, 8 mi) and O Fallon (16 listed, 8 mi).
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