Providers
3
Locations
1
Specialties
2
Insurance Plans
9
About Ruben Ruiz M D A Medical Corporation
Background and practice information
Ruben Ruiz M D a Medical Corporation is a small group medical practice based in Ontario, CA, with 3 affiliated healthcare providers.
The practice brings together providers across several specialties, including internal medicine, and physician assistant. Its providers are in-network with 9 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Practice Locations
1 location
Ruben Ruiz M D A Medical CorporationPrimary
403 W F ST, Ontario, CA 917623207
(909) 988-3288
Insurance Networks
Accepted insurance plans and networks
Ruben Ruiz M D A Medical Corporation accepts 48 plans from 9 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Specialties at Ruben Ruiz M D A Medical Corporation
Provider specialties represented at this practice
Healthcare Providers
3 providers practice here
Frequently Asked Questions
Common questions about Ruben Ruiz M D A Medical Corporation
How many providers are at Ruben Ruiz M D a Medical Corporation?
Ruben Ruiz M D a Medical Corporation has 3 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Ruben Ruiz M D a Medical Corporation offer?
The practice includes providers in internal medicine, and physician assistant. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Ruben Ruiz M D a Medical Corporation accept?
Providers at Ruben Ruiz M D a Medical Corporation are collectively in-network with 9 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Where is Ruben Ruiz M D a Medical Corporation located?
Ruben Ruiz M D a Medical Corporation's primary location is in Ontario, CA. See the contact section for the full address and phone number.
Other Group Practices Nearby
Explore more group practices in CA
Unicare Community Health Center, Inc.
69 providers · Ontario, CA
Wound Masters Medical Group Inc
14 providers · Ontario, CA
Thrive Psychological Services Inc
11 providers · Ontario, CA
Our Family Medical Group Inc
8 providers · Ontario, CA
Pomona Community Health Center
8 providers · Ontario, CA
Wound Care 360 Advanced Solutions Inc
7 providers · Ontario, CA
Group Practices in Nearby Cities
Browse group practices elsewhere in CA