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1151 E WALNUT ST, Ontario, CA 917616155+19094671425
PhysicianUpdated April 2026
Best Physicians in Ontario, CA (2026)
Looking for a physician in Ontario? We've compiled a list of the top 20 verified physicians in Ontario, CA based on ratings, reviews, and public business records.
47
Total Physicians
20
Top Rated
N/A
Avg Rating
0
Total Reviews
Top 20 Physicians in Ontario, CA
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2295 S VINEYARD AVE, Ontario, CA 917617925+18335742273
3
2800 E RIVERSIDE DR, APT 366, Ontario, CA 917617405+15103036185
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3333 CONCOURS ST, BLDG 1, SUITE 1201, Ontario, CA 91764+19094764077
5
2295 S VINEYARD AVE, Ontario, CA 917617925+16519645712
6
2295 S VINEYARD AVE, Ontario, CA 917617925+19097243083
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3550 E PHILADELPHIA ST STE 150, Ontario, CA 917612963+19097730022
8
653 E E ST STE 109, Ontario, CA 917644257+19093959888
9
1151 E WALNUT ST, Ontario, CA 917616155+19096207769
10
950 N DUESENBERG DR APT 11301, Ontario, CA 917645952+14069451085
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1151 E WALNUT ST, Ontario, CA 917616155+19094671425
12
437 N EUCLID AVE, SUITE A, Ontario, CA 917623456+19099882555
13
403 W F ST, Ontario, CA 917623207+19099883288
14
2295 S VINEYARD AVE, BLDG A PRIMARY CARE 2ND FLOOR, Ontario, CA 917617925+18887500036
15
3200 INLAND EMPIRE BLVD STE 100, Ontario, CA 917645569+19099455011
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3550 E PHILADELPHIA ST STE 150, Ontario, CA 91761+19097730022
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3990 CONCOURS STE 500, Ontario, CA 917647983+19097317951
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437 N EUCLID AVE, Ontario, CA 917623456+19099882555
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3550 E PHILADELPHIA ST, Ontario, CA 917612962+19097730022
20
1110 E PHILADELPHIA ST UNIT 1311, Ontario, CA 917614814+14252687772
How We Chose These Physicians
Our directory aggregates data from multiple public sources to compile the most comprehensive list of physicians in Ontario, CA. Here's how we evaluate and rank professionals:
- Public Licensing Records— We verify that each professional holds valid, up-to-date licenses and registrations in CA.
- NPI Registry & Business Records — For healthcare professionals, we cross-reference the National Provider Identifier registry. For other verticals, we use state business filings and industry databases.
- Customer Ratings & Reviews — We aggregate ratings from major review platforms to surface the highest-quality professionals.
- Completeness of Information— Professionals with verified contact details, addresses, and active online presence rank higher.
Tips for Choosing a Physician in Ontario
Check Reviews & Ratings
Look for physicians with consistently high ratings and a meaningful number of reviews. A physician with 4.5 stars and 100+ reviews is generally more reliable than one with 5 stars and only 2 reviews.
Verify Credentials
Always verify that the physician holds appropriate licenses for CA. Check with your state's licensing board for the most up-to-date information.
Compare Multiple Options
Don't settle for the first option. Contact at least 2-3 physicians to compare services, availability, and pricing before making your decision.
Ask About Experience
Inquire about the physician's experience with your specific needs. Specialists who focus on particular areas may provide better outcomes than generalists.
Frequently Asked Questions
How many physicians are in Ontario, CA?
Our directory currently lists 47 verified physicians in Ontario, CA. This number is regularly updated as new professionals are added to our database.
How do I choose the best physician in Ontario?
Start by reviewing ratings and the number of reviews above. Look for professionals with consistent high marks and verified credentials. We recommend contacting 2-3 options to compare availability, services, and pricing.
Find a Physician in Ontario Today
Browse our complete directory of 47 physicians in Ontario, CA. Filter by rating, read reviews, and request quotes.
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