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Best Medical Clinics in Ontario, California

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15Medical Clinics scored in Ontario
59Average BizScore
72Top BizScore
33%AI Visibility 50 or higher
75Average SEO score
3.7Average Google rating (13 rated)

Top Medical Clinics in Ontario

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Showing 1-15 of 15 Medical Clinics listings in Ontario, CA · page 1 of 1

#1Physicians of Southern California Inc

4.3 Google rating · 7 reviews

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Physicians of Southern California Inc website

Score breakdown

AI Visibility57
SEO83
  • Medical Clinic
  • Ontario, California
  • (626) 859-2249
  • physiciansofsoutherncalifornia.com

Physicians of Southern California Inc is a medical clinic in Ontario, CA. The practice offers primary‑care services that include diabetes management, flu vaccinations, hypertension treatment, chronic illness care, podiatry for bunions, heel pain, ingrown...

Ranked #1 of 21 Medical Clinic listings in OntarioScores updated Jun 7, 2026

#2American Pediatrics

4.5 Google rating · 86 reviews

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American Pediatrics website

Score breakdown

AI Visibility56
SEO85
  • Medical Clinic
  • Ontario, California
  • (909) 983-4746
  • americanpediatrics.com

American Pediatrics is a medical clinic in Ontario, CA, located at 320 W G St #101. The practice provides pediatric care for children from birth through age eighteen, offering same-day sick visits, walk-in availability, after-hours support, and telehealth...

Ranked #2 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#3Docs 4 Truckers

4.8 Google rating · 18 reviews

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Docs 4 Truckers website

Score breakdown

AI Visibility54
SEO89
  • Medical Clinic
  • Ontario, California
  • (909) 287-7474
  • teamcme.com

Docs 4 Truckers is a medical clinic in Ontario, CA. The practice provides DOT Physical exams, DOT Drug Tests, DOT Alcohol Tests, and School Bus Physicals, specializing in Driver Helpful® DOT Physical Exams that help commercial drivers obtain and maintain...

Ranked #3 of 21 Medical Clinic listings in OntarioScores updated Jun 7, 2026

#4Clinica Medica Familiar

2.5 Google rating · 102 reviews

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Clinica Medica Familiar website

Score breakdown

AI Visibility58
SEO82
  • Medical Clinic
  • Ontario, California
  • (909) 988-3288
  • cmfmedical.net

Clinica Medica Familiar is a medical clinic in Ontario, CA. The clinic provides comprehensive medical care with a focus on Family Medicine, Internal Medicine, and Pediatrics. They offer a variety of specialized services, including family planning through...

Ranked #5 of 21 Medical Clinic listings in OntarioScores updated Jun 7, 2026

#5Femcare Medical Associates of Ontario

4.0 Google rating · 41 reviews

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Femcare Medical Associates of Ontario website

Score breakdown

AI Visibility61
SEO76
  • Medical Clinic
  • Ontario, California
  • (909) 395-0030
  • femcareob-gyn.com

Femcare Medical Associates of Ontario is a medical clinic in Ontario, CA. It operates as a full‑service OB/GYN practice that provides women of all ages with family planning and birth‑control options, pregnancy care, gynecologic surgery, menopause management...

Ranked #4 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#6ParkTree Community Health Center

2.2 Google rating · 52 reviews

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ParkTree Community Health Center website

Score breakdown

AI Visibility42
SEO85
  • Medical Clinic
  • Ontario, California
  • (909) 469-9013
  • parktreechc.org

ParkTree Community Health Center is a medical clinic in Ontario, CA. As a Federally Qualified Health Center, it provides comprehensive primary healthcare to adults and children living in the communities surrounding Pomona and Ontario. The clinic serves as a...

Ranked #9 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026
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Geriatric Health Center website

Score breakdown

AI Visibility38
SEO79
  • Medical Clinic
  • Ontario, California
  • (909) 988-3890
  • americangeriatrics.org

Geriatric Health Center is a medical clinic in Ontario, CA, dedicated to improving the health, independence, and quality of life for older adults. The clinic serves seniors and their families with specialized care focused on age-related conditions, preventive...

Ranked #10 of 21 Medical Clinic listings in OntarioScores updated Jun 7, 2026

#8Premium Health of Ontario

4.6 Google rating · 429 reviews

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Premium Health of Ontario website

Score breakdown

AI Visibility37
SEO75
  • Medical Clinic
  • Ontario, California
  • (888) 700-0750
  • premiumhealth.us

Premium Health of Ontario is a medical clinic in Ontario, CA. It provides a range of services that include IV hydration, weight‑loss programs, telehealth visits, at‑home testing, and a free initial consultation. The clinic accepts Medicare, Medicare Advantage...

Ranked #13 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#9Care4U Clinic Ontario

2.6 Google rating · 52 reviews

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Care4U Clinic Ontario website

Score breakdown

AI Visibility33
SEO79
  • Medical Clinic
  • Ontario, California
  • (909) 579-6901
  • sarh.org

Care4U Clinic Ontario is a medical clinic in Ontario, CA, located at 970 N Mountain Ave. It operates as an outpatient service of San Antonio Regional Hospital, focusing on helping patients transition successfully to their home after a hospital stay. The...

Ranked #14 of 21 Medical Clinic listings in OntarioScores updated Jun 7, 2026

#10Ontario Health Center

3.2 Google rating · 23 reviews

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Ontario Health Center website

Score breakdown

AI Visibility31
SEO78
  • Medical Clinic
  • Ontario, California
  • (800) 722-4777
  • dph.sbcounty.gov

Ontario Health Center is a medical clinic in Ontario, CA, providing essential public health services to residents across San Bernardino County. The clinic offers reproductive health, maternal health, HIV services, pediatrics, immunizations, TB skin testing...

Ranked #15 of 21 Medical Clinic listings in OntarioScores updated Jun 7, 2026

#11JDMD Clinics APC

5.0 Google rating · 162 reviews

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JDMD Clinics APC website

Score breakdown

AI Visibility40
SEO62
  • Medical Clinic
  • Ontario, California
  • (909) 287-7474
  • jdmdclinics.com

JDMD Clinics APC is a medical clinic in Ontario, CA, located at 3333 Concours St Building 4 Suite 4202. The practice operates as a regenerative medicine and wellness center under the leadership of board-certified anesthesiologist John Dimowo, MD. It provides...

Ranked #16 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#12Friends of Family Health Center

4.3 Google rating · 51 reviews

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Friends of Family Health Center website

Score breakdown

AI Visibility33
SEO66
  • Medical Clinic
  • Ontario, California
  • (909) 363-9300
  • fofhealthcenter.org

Friends of Family Health Center is a medical clinic in Ontario, CA, located at 1129 W 4th St. The center provides medical, dental, and behavioral health care services to both insured and uninsured patients. Clinical offerings include pediatrics, family...

Ranked #17 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#13Up Clinics

4.8 Google rating

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Up Clinics website

Score breakdown

AI Visibility35
SEO67
  • Medical Clinic
  • Ontario, California
  • (909) 354-8881
  • upclinics.com

Up Clinics is a Medical Clinic in Ontario, CA, located at 1236 Brooks St. It holds a rating of 4.80 based on 3 reviews. The practice provides urgent care, occupational health services, therapy services, and a Suboxone clinic. It treats patients ranging from...

Ranked #1 of 1 Medical Clinic listings in OntarioScores updated Jun 25, 2026
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C

Score breakdown

AI Visibility30
SEO64
  • Medical Clinic
  • Ontario, California
  • (614) 757-5000
  • cardinal.com

Cardinal Health is a medical clinic in Ontario, CA, located at 4200 Concours St. As a branch of the national Cardinal Health organization, this facility operates within a broader network that serves as a distributor of pharmaceuticals and specialty products...

Ranked #19 of 21 Medical Clinic listings in OntarioScores updated Sep 20, 2026

#15California Medical Clinic of Ontario

1.6 Google rating · 103 reviews

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California Medical Clinic of Ontario website

Score breakdown

AI Visibility12
SEO55
  • Medical Clinic
  • Ontario, California
  • (909) 467-1605
  • californiamedicalclinic.net

California Medical Clinic of Ontario is a medical clinic in Ontario, CA. The clinic provides various medical services including consultations, evaluations, check-ups, physicals, and lab work. Serving the greater Los Angeles community, the clinic offers...

Ranked #21 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026
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BizScoreAI ranks 15 medical clinics in Ontario, California by BizScore, a measured composite of AI-search visibility, traditional SEO, local citations, local search pages and profile completeness. Rankings come from the scores, never from paid placement. Open any profile for its full breakdown, and claim your free listing if it is your business.

Frequently Asked Questions

How are medical clinics in Ontario ranked on BizScoreAI?

By BizScore, a measured composite of AI-search visibility, traditional SEO, local citations, local search pages and profile completeness. No listing pays for position; the formulas are published on the How We Score page.

How many medical clinics in Ontario, California does BizScoreAI track?

15 medical clinics in Ontario currently meet the profile-quality bar for this page, with an average BizScore of 59 and a top score of 72.

What does AI Visibility mean for a medical clinic?

It measures whether AI assistants and AI-powered search can find, read and cite the business's website: structured data, crawlability, clear entity information and content that answers questions. 33% of measured medical clinics in Ontario score 50 or higher.

Is being listed free?

Yes. Every medical clinic in Ontario is listed and scored for free, and claiming a listing is free too.