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Clinics in Ontario, California

Our hand-picked list of 8 clinics serving Ontario, California. Compare contact info and request free quotes from local providers.

About Hiring a Clinic in Ontario

When hiring any service professional in Ontario, California, take time to verify credentials, read recent reviews, and get written estimates from multiple providers. ProHorizon makes it easy to compare and connect with local experts — get your free quote today.

Licensing & verification: Licensing requirements vary by trade in California. Always ask to see a current license and proof of insurance before hiring.

Top Clinics in Ontario

Four Seasons Surgery Centers

1211 West 6th Street, Ontario, CA, 91762

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Kaiser Permanente Ontario Medical Center

2295 South Vineyard Avenue, Ontario, CA, 91761

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EGGLESTON YOUTH CENTERS, INC.

10806 ROSE AVE

📞 (626) 480-••••

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A&G HEALTH SERVICES INC

4355 E AIRPORT DR STE 102

📞 (909) 390-••••

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AARB MEDICAL & HEALTHCARE SERVICES INC

1910 S ARCHIBALD AVE, SUITE D

📞 (909) 348-••••

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ACEVEDO DENTAL CORP

1857 E 4TH ST

📞 (323) 724-••••

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ADNI CS LLC

1650 S CAMPUS AVE APT 7

📞 (562) 316-••••

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AEGIS TREATMENT CENTERS, LLC

125 W F ST

📞 (909) 986-••••

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Clinics in Cities Near Ontario

Frequently Asked Questions

Where can I find clinics in Ontario, California?

Ontario, California has 8 clinics listed in our directory. Four Seasons Surgery Centers is one option in the area. Use the list above to compare providers and request a free quote.

Are clinics licensed in California?

Licensing requirements vary by trade in California. Always ask to see a current license and proof of insurance before hiring. Ask any provider for their current license number and verify it with the state regulatory bodies before you hire.

How do I choose the right clinic in Ontario?

When hiring any service professional in Ontario, California, take time to verify credentials, read recent reviews, and get written estimates from multiple providers. ProHorizon makes it easy to compare and connect with local experts — get your free quote today.

Can I get a free quote from a clinic in Ontario?

Yes. Use our free quote form below — describe your project, and we'll match you with verified Ontario-area clinics who can provide written estimates. There's no obligation, and most providers respond within 24 hours.

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