Best Medical Clinics in Ontario, California
Claimed listings first, then by BizScore. How we score
Top Medical Clinics in Ontario
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Showing 1-17 of 17 Medical Clinics listings in Ontario, CA · page 1 of 1

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- Medical Clinic
- Ontario, California
- (909) 988-2555
- unicarechc.org

Score breakdown
- Medical Clinic
- Ontario, California
- (909) 467-1425
- unicarechc.org

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- 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...

Score breakdown
- 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...
#15Up Clinics

Score breakdown
- 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...
Score breakdown
- 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...

Score breakdown
- 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...
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.