Internal Medicine at Fontana Medical Center - Kaiser Permanente
Internal Medicine • Fontana, CA
About
Summary: Fontana Medical Center, part of Kaiser Permanente Southern California, offers internal medicine and general medical services as part of its healthcare and benefits network. The facility is based in Fontana, CA, with a small workforce and a presence that includes international ties (Nigeria). It operates under Kaiser Permanente’s Southern California system, providing appointments, coverage, and medical services to members. Contact options are listed through Kaiser Permanente channels.
Clinic Type
Internal Medicine
Address
9961 Sierra Ave, Medical Office Building 2, 4th, 5th, and 6th Floor, Fontana, CA 92335
Phone
1-833-574-2273
directoryupdate@kp.org
Opening Hours
Monday through Friday, 8:30 a.m. to 5 p.m.
Services Offered
Insurance & Payment
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Languages Spoken
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FAQs
How do I get care now?
Get care now
How can I order prescriptions online?
Order your prescriptions online
How can I learn about becoming a Kaiser Permanente member?
Learn about becoming a Kaiser Permanente member
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Vivian Health: 3.7/5 stars (52 reviews (Vivian Health))
- Birdeye: General mixed feedback (1,496 reviews (aggregate))
Patients praise
- Some patients report compassionate and knowledgeable care from specific doctors and nursing staff
- General satisfaction with certain nursing care and patient information provided at discharge
- Positive experiences noted by staff and some patients regarding unit culture and medical professionalism
Common complaints
- Long wait times for appointments and emergency services
- Perceived lack of attentiveness or dismissal of health concerns by some physicians
- Difficulties regarding billing, refunds, and administrative communication
- Concerns about cleanliness of facilities and staff responsiveness in hospital settings
"Love our doctor the nurses are great my biggest complaint is how long it takes to get a refund."
— Birdeye Review"Did not listen to my health concerns and did not inform me of risks of certain medications she was prescribing."
— Healthgrades ReviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Dr. Lih-Jiau Chen, MD - Internal Medicine Physician in Fontana, CA — May 14, 2026
- Dr. Jeremy Wang, MD - Internal Medicine Physician in Ontario, CA — May 14, 2026
- Dr. Vahid M. Berdjis, MD - Internal Medicine Physician in Ontario, CA — May 14, 2026
- Dr. Wanping Hu, MD - Internal Medicine Physician in Ontario, CA — May 14, 2026
- Dr. Michael H. Mun, DO - Internal Medicine Physician in Ontario, CA — May 14, 2026
Information sourced from the clinic's website as of July 11, 2026.
More internal medicine clinics in Fontana
CVMG (Cucamonga Valley Medical Group) is a privately held medical group based in Fontana, California, offering comprehensive family medicine, primary care, internal medicine, osteopathic medicine, and pediatric services. They operate 9 offices across Eastvale, Upland, Fontana, Chino, and Rancho Cucamonga, with locations that include North Fontana and surrounding areas. Established in 2006, CVMG emphasizes patient- and family-centered care across primary care and preventative services, with a network of clinicians and 28 employees. If you’re seeking Family Medicine or Primary Care near North Fontana/Fontana, CVMG has multiple nearby offices and accepts appointments at their various locations.
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