Vet Locator lists 3 low-cost clinics in O Fallon, Missouri, as of October 2026: Gentle Doctor Animal Hospital, North Main Animal Hospital and O'Fallon, MO. 3 of these were confirmed from the business's own website. Listed prices start from $75 (O'Fallon, MO).
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Veterinary clinic
3079 Highway K · O'Fallon, MO 63368
Gentle Doctor Animal Hospital is a full-service veterinary clinic in O'Fallon, Missouri, caring for cats and dogs in St. Charles and St. Louis Counties. It offers wellness exams, vaccinations, dental care, surgery,…
Veterinary clinic
1632 N Main St · O'Fallon, MO 63366
North Main Animal Hospital is a full-service veterinary practice in O'Fallon, Missouri, opened in 1999 and owned by two veterinarians. It offers wellness care, vaccinations, microchipping, dental care, surgery…
Veterinary clinic
2242 Hwy K · O'Fallon, MO 63368
Banfield Pet Hospital in O'Fallon offers preventive wellness exams, vaccinations, dental care, digital X-rays, in-house lab testing, and general and spay/neuter surgery. The clinic has an in-house pharmacy, offers…
Veterinary clinic
555 Mid Rivers Mall Drive · St. Peters, MO 63376 · 4.1 mi
VIP Petcare runs a vaccination clinic inside Pet Supplies Plus in St. Peters, offering preventive vaccine packages and individual shots for dogs and cats at upfront prices. Visits can be pre-registered online or…
Veterinary clinic
16 S Church St · St Peters, MO 63376 · 4.3 mi
Saint Peters Animal Hospital is a full-service clinic in Saint Peters, MO, serving dogs and cats with routine medical, surgical and dental care plus emergency and urgent visits. It offers in-house lab work, a…
Veterinary clinic
6137 Mid Rivers Mall Dr · Saint Charles, MO 63304 · 4.3 mi
Vetco Total Care operates a veterinary hospital inside the Petco store at Mid Rivers Mall in St Charles, MO, offering routine wellness, vaccines, dental care, soft tissue surgery and imaging. The practice treats…
Veterinary clinic
5913 Mexico Rd · St Peters, MO 63376 · 5.4 mi
Pet Urgent Care of St. Peters is a privately owned veterinary facility offering walk-in emergency and urgent care for dogs and cats. It provides in-house lab testing, digital X-rays, dental care, soft-tissue…
Vet Locator lists 3 low-cost clinics in O Fallon, Missouri, as of October 2026: Gentle Doctor Animal Hospital, North Main Animal Hospital and O'Fallon, MO. 3 of these were confirmed from the business's own website. Listed prices start from $75 (O'Fallon, MO).
Low-cost and nonprofit clinics offer vaccines, spay/neuter and basic care at reduced prices. Some have income limits or only offer certain services, so check before you go.
Outside O Fallon, the closest we list are VIP Petcare Vaccination Clinic in St. Peters (about 4 miles), St. Peters Animal Hospital in St Peters (about 4 miles) and Vetco Total Care Animal Hospital in Saint Charles (about 4 miles).