Ontario, CA
64 medical practices in Ontario, California, with Google ratings, hours and websites where the business has them.
Compare
64 medical practices serving Ontario
Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.
Page 2 of 2 · 16 of 64 shown. Recommended businesses first, then businesses that have claimed their profile, then Verified ones, then by Google rating and review count. Use Sort to see highest rated first.
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How doctors and clinics in Ontario compare
| Doctors & Clinics | Ontario | CA | U.S. |
|---|---|---|---|
| Average Google rating (10+ reviews) | 4.31 | 4.15 | 4.25 |
| Median Google reviews | 27 | 13 | 18 |
| Reviews for the top quarter | 92+ | 42+ | 65+ |
| Have a website | 46.8% | 46.4% | 46% |
Businesses listed in our directory, not every business in the market. Updated September 2026. Doctors & Clinics industry report · What is a good rating for doctors and clinics? · Best cities for doctors and clinics
From Page One Partner Research
- In Ontario, half of the doctors and clinics we list with reviews have 27 or fewer Google reviews, and 92+ puts one in the local top quarter; the average rating is 4.31 (62 listed in our directory). Doctors & Clinics industry report
- A good Google rating for doctors and clinics: in our directory, the median is 4.5 and 4.8 or higher puts a business in the top quarter. Half of them have 18 or fewer reviews. What is a good rating for doctors and clinics?
- California businesses in our directory average 4.52 stars on Google, ranking 22 of the 50 states we measured; 30.9% list no website. Ratings in every state
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Questions about Ontario businesses
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