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Castle Connolly Names San Antonio Regional Hospital a Top Hospital
Recognized for Hysterectomy and Gynecologic Cancer Surgeries
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San Antonio Regional Hospital Named Among U.S. News & World Report's Fifth Annual 2026 Best Hospitals for Maternity Care Awards
This is the highest award a hospital can earn as part of U.S. News’ Best Hospitals for Maternity Care annual study, now in its fifth edition.
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Why a Primary Care Doctor Matters More Than Ever
Many people wait until they’re sick to find a doctor, but by then, you’ve missed one of the most important tools in healthcare—prevention. In fact, studies show you’re more likely to live a longer, healthier life when you establish an ongoing relationship with a primary care provider (PCP).
A PCP specializes in family or internal medicine and serves as your long-term partner in health, helping you stay well at every stage of life. The benefits go far beyond treating illness. With a PCP, you gain:
- Preventive Health: Your PCP will be the physician you will likely see more than any other physician. He/she is trained to care for your health over time and will make sure you stay on top of the recommended screenings as you age. Routine screenings can help catch health issues early, when most treatable.
- Chronic Disease Management: Primary care providers are experts in a wide range of conditions, especially chronic diseases like diabetes, high blood pressure, high cholesterol, heart disease, and more. Your PCP will work with you to develop treatment plan that considers your lifestyle and condition, aiming to improve the condition over time.
- Your Medical "Home": Having a central place for your complete health history is important for your overall care. In case of an emergency, other providers will have access through your PCP to your crucial health history such as medical conditions, allergies, and prescribed medications, allowing for rapid life-saving decisions, if needed.
- Coordination of Care: When something comes up that requires a more specialized approach, your PCP can refer you to the appropriate specialist. They can also coordinate the necessary health information the specialist needs to effectively treat you.
- Lifestyle & Health Guidance: Health Guidance: Over time, your PCP will get to know you better than any other doctor. They will consider your health goals, lifestyle habits, and family history, providing personalized advice based on your unique health risks to help you live a longer, healthier life.
Get the Care You Need Now
With a shortage of primary care physicians in the Inland Empire, finding a doctor accepting new patients can be challenging. San Antonio Regional Hospital is expanding access through their new CARE4U Family Health Centers in Upland, Fontana, and Ontario. The centers feature San Antonio Medical Group PCPs for your ongoing primary health needs. Simply call to set up an appointment and verify insurance information.
Three locations in the Inland Empire:
Care4U Center — Upland
901 San Bernardino Road, Suite 300
Upland, CA 91786
(In the 901 Medical Office Building, on the hospital campus.)
Click to Call Us on mobile
Care4U Center – Fontana
16465 Sierra Lakes Parkway, Suite 220
Fontana, CA 92336
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Primary Care Doctor FAQ's
Having an ongoing relationship with a primary care doctor is one of the most powerful things you can do for your long-term health. Studies show people with a regular PCP live longer and healthier lives because they benefit from consistent preventive care, early detection of problems, and better management of chronic conditions.
A primary care physician (PCP) specializes in family medicine or internal medicine. They provide preventive screenings, manage chronic diseases such as diabetes, high blood pressure, and high cholesterol, coordinate care with specialists, maintain your complete health history, and offer personalized lifestyle guidance based on your unique needs and risks.
The key benefits include:
- Early detection of health issues through routine screenings
- Expert management of chronic conditions
- A central “medical home” with your full health history
- Smooth coordination when you need to see a specialist
- Personalized advice tailored to your lifestyle, goals, and family history
San Antonio Regional Hospital has made it easier to find a primary care doctor in the Inland Empire. Our new CARE4U Family Health Centers in Upland, Fontana, and Ontario are currently accepting new patients. Each center is staffed by San Antonio Medical Group primary care providers.
Simply call the location nearest you to schedule an appointment and verify your insurance.
Upland: 909.434.1146
Fontana: 909.579.6865
Ontario: 909.579.6680
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