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Best Medical Clinics in Ontario, California

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17Medical Clinics scored in Ontario
58Average BizScore
72Top BizScore
29%AI Visibility 50 or higher
72Average SEO score
3.6Average Google rating (15 rated)

Top Medical Clinics in Ontario

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Showing 1-17 of 17 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
AI Ready53
SEO82
Freshness80
  • 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...

Category rank by BizScore: #1 of 21 Medical Clinic listings in OntarioScores updated Oct 25, 2026

#2American Pediatrics of Ontario

4.5 Google rating · 86 reviews

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American Pediatrics of Ontario website

Score breakdown

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

American Pediatrics of Ontario: 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...

Category rank by BizScore: #2 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#3Clinica Medica Familiar

2.5 Google rating · 102 reviews

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Clinica Medica Familiar website

Score breakdown

AI Visibility58
AI Ready-
SEO82
Freshness-
  • 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...

Category rank by BizScore: #5 of 21 Medical Clinic listings in OntarioScores updated Jun 7, 2026

#4Femcare Medical Associates of Ontario

4.0 Google rating · 41 reviews

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Femcare Medical Associates of Ontario website

Score breakdown

AI Visibility61
AI Ready-
SEO76
Freshness-
  • 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...

Category rank by BizScore: #4 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#5Docs 4 Truckers

4.8 Google rating · 18 reviews

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Docs 4 Truckers website

Score breakdown

AI Visibility54
AI Ready55
SEO76
Freshness100
  • 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...

Category rank by BizScore: #3 of 21 Medical Clinic listings in OntarioScores updated Oct 24, 2026

#6ParkTree Community Health Center

2.2 Google rating · 52 reviews

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ParkTree Community Health Center website

Score breakdown

AI Visibility42
AI Ready-
SEO85
Freshness-
  • 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...

Category rank by BizScore: #9 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#7Unicare Community Health Center, Inc.

2.4 Google rating · 86 reviews

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Unicare Community Health Center, Inc. website

Score breakdown

AI Visibility40
AI Ready-
SEO77
Freshness-
  • Medical Clinic
  • Ontario, California
  • (909) 988-2555
  • unicarechc.org
Category rank by BizScore: #11 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#8Unicare Community Health Center - Ontario

3.2 Google rating · 18 reviews

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Unicare Community Health Center - Ontario website

Score breakdown

AI Visibility40
AI Ready-
SEO73
Freshness-
  • Medical Clinic
  • Ontario, California
  • (909) 467-1425
  • unicarechc.org
Category rank by BizScore: #12 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#9Premium Health of Ontario

4.6 Google rating · 429 reviews

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Premium Health of Ontario website

Score breakdown

AI Visibility37
AI Ready-
SEO75
Freshness-
  • 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...

Category rank by BizScore: #13 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026
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Geriatric Health Center website

Score breakdown

AI Visibility38
AI Ready2
SEO70
Freshness-
  • 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...

Category rank by BizScore: #10 of 21 Medical Clinic listings in OntarioScores updated Oct 24, 2026

#11Care4U Clinic Ontario

2.6 Google rating · 52 reviews

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Care4U Clinic Ontario website

Score breakdown

AI Visibility33
AI Ready35
SEO74
Freshness80
  • 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...

Category rank by BizScore: #14 of 21 Medical Clinic listings in OntarioScores updated Oct 24, 2026

#12JDMD Clinics APC

5.0 Google rating · 162 reviews

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JDMD Clinics APC website

Score breakdown

AI Visibility40
AI Ready-
SEO62
Freshness-
  • 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...

Category rank by BizScore: #16 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#13Friends of Family Health Center

4.3 Google rating · 51 reviews

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Friends of Family Health Center website

Score breakdown

AI Visibility33
AI Ready-
SEO66
Freshness-
  • 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...

Category rank by BizScore: #17 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026

#14Ontario Health Center

3.2 Google rating · 23 reviews

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Ontario Health Center website

Score breakdown

AI Visibility31
AI Ready40
SEO61
Freshness100
  • 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...

Category rank by BizScore: #15 of 21 Medical Clinic listings in OntarioScores updated Oct 24, 2026

#15Up Clinics

4.8 Google rating

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Up Clinics website

Score breakdown

AI Visibility35
AI Ready50
SEO60
Freshness100
  • 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...

Scores updated Oct 28, 2026
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C

Score breakdown

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

Cardinal Health of Ontario: Courtyard by Marriott Sacramento Folsom is a hotel in Folsom, CA, located at Concours St. It holds a rating of 4.20 based on customer reviews. The property is a roadside hotel with a 24/7 exercise room. The hotel offers modern rooms with access to flexible...

Category rank by BizScore: #19 of 21 Medical Clinic listings in OntarioScores updated Sep 20, 2026

#17California Medical Clinic of Ontario

1.6 Google rating · 103 reviews

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California Medical Clinic of Ontario website

Score breakdown

AI Visibility12
AI Ready-
SEO55
Freshness-
  • 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...

Category rank by BizScore: #21 of 21 Medical Clinic listings in OntarioScores updated Sep 18, 2026
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What the Data Shows for Medical Clinics in Ontario

29% of the 17 medical clinics we measured in Ontario reach an AI Visibility score of 50 or higher. Their average AI Visibility score is 41, compared with an average SEO score of 72.

The average Google rating across 15 rated medical clinics is 3.6, and the median listing has 52 reviews.

None of the 17 medical clinics has been claimed by its owner yet.

Figures from BizScoreAI's stored scans, latest score update Oct 28, 2026. What each score measures: How We Score.

BizScoreAI compares 17 medical clinics in Ontario, California by BizScore, a measured composite of AI-search visibility, traditional SEO, local citations, local search pages and profile completeness. Claimed listings appear before unclaimed listings, and within each group businesses are ordered by BizScore. Claiming a listing is free, and paid plans and Featured listings do not change this order. 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 ordered on BizScoreAI?

Claimed listings appear before unclaimed listings, and within each group businesses are ordered by BizScore. Claiming a listing is free, and paid plans and Featured listings do not change this order. BizScore is a measured composite of AI-search visibility, traditional SEO, local citations, local search pages and profile completeness; the How We Score page explains what each part measures.

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

17 medical clinics in Ontario currently meet the profile-quality bar for this page, with an average BizScore of 58 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. 29% 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.