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Ontario, CA

64 medical practices in Ontario, California, with Google ratings, hours and websites where the business has them.

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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.

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Page 1 of 2 · 48 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.

Top rated

Highest-rated doctors & clinics in Ontario

Ranked by Google rating, then review count. Only businesses rated 4.5 or higher with 5+ Google reviews qualify.

  1. S.Kim Acupuncture & Herb 김석민 한의원

    5.014 Google reviewsVerified

  2. Autism Center

    4.9431 Google reviewsVerified

  3. Prime Rehab Center Physical Therapy

    4.9229 Google reviewsVerified

  4. The DermBar

    4.9158 Google reviewsVerified

  5. Up Clinics

    4.9104 Google reviewsVerified

  6. D H KIM Dental

    4.912 Google reviewsVerified

See every doctors & clinics in Ontario sorted by rating · Best of Ontario across every trade

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64 medical practices serve Ontario, CA. 16 are rated 4.5 or higher on Google and 4 have a perfect 5.0. 29 have a website.

Verified on Google
20
Average rating
4.2 / 5
Google reviews
1,761

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Page One Partner Research

How doctors and clinics in Ontario compare

Doctors & ClinicsOntarioCAU.S.
Average Google rating (10+ reviews)4.314.154.25
Median Google reviews271318
Reviews for the top quarter92+42+65+
Have a website46.8%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

Quick answers

Who serves Ontario?

Names and Google ratings, straight from each business's profile.

Which medical practices serve Ontario, CA?

64 medical practices serve Ontario, CA. Highest rated (10+ reviews): S.Kim Acupuncture & Herb 김석민 한의원 (Verified, rated 5.0 on Google from 14 reviews), Autism Center (Verified, rated 4.9 on Google from 431 reviews) and Prime Rehab Center Physical Therapy (Verified, rated 4.9 on Google from 229 reviews), plus 61 more.

How many medical practices serve Ontario, CA, and how are they rated?

64 medical practices serve Ontario, California. 16 are rated 4.5 or higher on Google and 4 have a perfect 5.0. 29 have a website. ZIP codes covered: 91762, 91764, 91761.

Which medical practices in Ontario, CA have the most Google reviews?

Autism Center (431 reviews, rated 4.9), Prime Rehab Center Physical Therapy (229 reviews, rated 4.9) and The DermBar (158 reviews, rated 4.9). Review counts are read from each business's Google Business Profile.

Doctors & Clinics near Ontario

All of California · Cities A–Z

FAQ

Questions about Ontario businesses

How businesses get here and how up to date everything is.

Yes. Page One Partner is a free directory of local service businesses across the United States. It costs nothing to search, and nothing for a business to be listed. Each profile is built from the business's public Google Business Profile, and an owner can claim, update or hide theirs at any time by contacting info@pageoneinsights.com.

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